{"title":"Featured","description":"\u003cp\u003eOur most searched Honeywell Home and Resideo products: T6 Pro and VisionPRO thermostats, TrueZONE zoning, zone and gas valves, pilot assemblies, sensors and media air cleaner filters for residential and light commercial HVAC.\u003c\/p\u003e","products":[{"product_id":"replacement-head-with-end-switch-for-v8044e-24-v-ac-50-60-hz","title":"Honeywell Home 40003916-026\/U Replacement Head with End Switch for V8044E, 24 V AC, 50\/60 Hz","description":"\u003cp\u003eReplacement actuator head for Honeywell Home \u003cstrong\u003eV8044E\u003c\/strong\u003e zone valves. When the motor in the valve fails, this part swaps onto the valve body that is already in the piping — the connections stay soldered or threaded in place and the system does not have to be drained.\u003c\/p\u003e\u003cp\u003eReplacing the head instead of the whole valve is the difference between a fifteen-minute service call and a soldering job on a live heating system. It is the reason the V-series has stayed in the field as long as it has.\u003c\/p\u003e\u003cp\u003eThis head includes the \u003cstrong\u003eend switch\u003c\/strong\u003e: a dry contact that closes when the valve reaches full open and starts the boiler or circulator. A valve wired for pump start needs a head with the end switch — fitting one without it leaves the zone opening while the circulator never runs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eValves this part is built for\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"\/products\/24-vac-3-4-in-sweat-n-c-zone-valve-hone-v8044e1011-u\"\u003eHoneywell Home 24 Vac 3\/4 in Sweat N.C. Zone Valve V8044E1011\/U\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Honeywell Home\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 40003916-026\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e V8044E\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 Vac\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd switch:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Valve Replacement Heads\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":44351299715175,"sku":"HONE-40003916-026\/U","price":118.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/40003916-c12-6_2986ce26-c2d6-4799-98d4-dec41ccd4a0c.jpg?v=1785815549"},{"product_id":"c7089r1013-redlink-outdoor-temperature-and-humidity-sensor","title":"Honeywell Home C7089R1013\/U C7089R1013 RedLINK® Outdoor Temperature and Humidity Sensor","description":"\u003cp\u003eThe C7089R1013 is a RedLINK wireless outdoor temperature and humidity sensor from Resideo (Honeywell Home).\u003c\/p\u003e\u003cp\u003eRedLINK is the wireless link Resideo uses between a thermostat and the rest of the system. Instead of pulling a wire from the equipment to every sensor and module, the devices are enrolled to the thermostat or to a wireless adapter and talk to it directly — which is what makes a sensor in a room with no thermostat wire, or an outdoor sensor with no conduit to the attic, a realistic job rather than a demolition project.\u003c\/p\u003e\u003cp\u003eEnrolment is the step that decides whether it works. Each device has to be added to the system at the thermostat or the adapter; a RedLINK device that has not been enrolled is inert, and one enrolled to the wrong system stays enrolled until it is cleared.\u003c\/p\u003e\u003cp\u003eOutdoor temperature is what lets a thermostat do anything smarter than react. It sets the balance point where a heat pump hands over to auxiliary heat, it drives outdoor reset on hydronic equipment, and it is what puts an honest outside reading on the thermostat screen instead of one pulled off the internet for the nearest airport.\u003c\/p\u003e\u003cp\u003eRated -40 °F to 140 °F and 0 to 100% RH, condensing — it is meant to be mounted outside and left there. Put it on a north wall, out of the sun; a sensor baking in afternoon light reports a temperature the house never sees.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C7089R1013\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e RedLINK outdoor temperature and humidity sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating temperature:\u003c\/strong\u003e -40 °F to 140 °F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating humidity:\u003c\/strong\u003e 0 to 100% RH, condensing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Vertical mounting with supplied bracket and mounting hardware\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267331845\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e RedLINK Accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":44351306793063,"sku":"HONE-C7089R1013\/U","price":105.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/C7089R1013-c6-6.jpg?v=1785815653"},{"product_id":"c7089u1006-remote-outdoor-temperature-sensor","title":"Honeywell Home C7089U1006\/U C7089U1006 Remote Outdoor Temperature Sensor","description":"\u003cp\u003eThe C7089U1006 is a remote outdoor temperature sensor from Honeywell Home, wired.\u003c\/p\u003e\u003cp\u003eOutdoor temperature is what lets a control do anything smarter than react. It sets the balance point where a heat pump hands over to auxiliary heat, it drives outdoor reset on hydronic equipment, and it puts a real reading on the display instead of one pulled from the internet for the nearest airport.\u003c\/p\u003e\u003cp\u003eRated -40 F to +120 F — it is meant to live outside. Mount it on a north wall, out of the sun; a sensor in afternoon light reports a temperature the building never sees.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThis is the wired version.\u003c\/strong\u003e It needs a run back to the thermostat or controller; the RedLINK equivalents do the same job over the air where pulling wire is the expensive part.\u003c\/p\u003e\u003cp\u003eCompatible with: Honeywell thermostats including the TH8000 series RedLINK and Wi-Fi, TH7000 series, TH6220 and TH6320 (T6 Pro series), TH6220WF and TH6320WF (Lyric T6 Pro series); and controllers such as the HZ432 zone panel and the H6062 HumidiPRO controller.\u003c\/p\u003e\u003cp\u003eGoes with: \u003ca href=\"\/products\/c7089r1013-redlink-outdoor-temperature-and-humidity-sensor\"\u003eC7089R1013\u003c\/a\u003e.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Honeywell Home\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C7089U1006\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Wired remote outdoor temperature sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating temperature:\u003c\/strong\u003e -40 F to +120 F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating humidity:\u003c\/strong\u003e 5 to 95% RH, non-condensing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUsed with:\u003c\/strong\u003e Honeywell thermostats including the TH8000 series RedLINK and Wi-Fi, TH7000 series, TH6220 and TH6320 (T6 Pro series), TH6220WF and TH6320WF (Lyric T6 Pro series); and controllers such as the HZ432 zone panel and the H6062 HumidiPRO controller\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Mounting Clip provided and screws provided.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267256834\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostat Accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":44351306825831,"sku":"HONE-C7089U1006\/U","price":49.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/C7089U-c3-6.jpg?v=1785815654"},{"product_id":"redlink-enabled-wireless-indoor-air-sensor","title":"Honeywell Home C7189R1004\/U RedLINK®-Enabled Wireless Indoor Air Sensor","description":"\u003cp\u003eThe C7189R1004 is a RedLINK-enabled wireless indoor air sensor from Resideo (Honeywell Home).\u003c\/p\u003e\u003cp\u003eRedLINK is the wireless link Resideo uses between a thermostat and the rest of the system. Instead of pulling a wire from the equipment to every sensor and module, the devices are enrolled to the thermostat or to a wireless adapter and talk to it directly — which is what makes a sensor in a room with no thermostat wire, or an outdoor sensor with no conduit to the attic, a realistic job rather than a demolition project.\u003c\/p\u003e\u003cp\u003eEnrolment is the step that decides whether it works. Each device has to be added to the system at the thermostat or the adapter; a RedLINK device that has not been enrolled is inert, and one enrolled to the wrong system stays enrolled until it is cleared.\u003c\/p\u003e\u003cp\u003eA remote indoor sensor fixes the oldest complaint in residential HVAC: the thermostat is in the hallway and the hallway is not where anyone sits. Put a sensor in the room that actually matters and the system controls to that room, with no wire pulled and no thermostat relocated.\u003c\/p\u003e\u003cp\u003eBattery life is best between 35 °F to 114 °F, so treat it as indoor equipment — not a garage or an unconditioned attic.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C7189R1004\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e RedLINK wireless indoor air sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating temperature:\u003c\/strong\u003e 35 °F to 114 °F for optimal battery life,0 °F to 120 °F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating humidity:\u003c\/strong\u003e 5 to 90% RH, non-condensing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Mounts on a vertical wall with supplied bracket and mounting hardware\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267389693\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e RedLINK Accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":44351306858599,"sku":"HONE-C7189R1004\/U","price":79.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/C7189R1004-c2-6.jpg?v=1785815655"},{"product_id":"c7189u1005-remote-indoor-temperature-sensor","title":"Honeywell Home C7189U1005\/U Remote Indoor Temperature Sensor","description":"\u003cp\u003eThe C7189U1005 is a remote indoor temperature sensor from Honeywell Home, wired.\u003c\/p\u003e\u003cp\u003eA remote indoor sensor fixes the oldest complaint in residential HVAC: the thermostat is in the hallway and the hallway is not where anyone sits. Put the sensor in the room that matters and the system controls to that room.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThis is the wired version.\u003c\/strong\u003e It needs a run back to the thermostat or controller; the RedLINK equivalents do the same job over the air where pulling wire is the expensive part.\u003c\/p\u003e\u003cp\u003eCompatible with: VisionPRO® and VisionPRO® IAQ Series Thermostats.\u003c\/p\u003e\u003cp\u003eGoes with: \u003ca href=\"\/products\/redlink-enabled-wireless-indoor-air-sensor\"\u003eC7189R1004\u003c\/a\u003e.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Honeywell Home\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C7189U1005\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Wired remote indoor temperature sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating temperature:\u003c\/strong\u003e 45 F to 88 F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating humidity:\u003c\/strong\u003e 5 to 95% RH, non-condensing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUsed with:\u003c\/strong\u003e VisionPRO® and VisionPRO® IAQ Series Thermostats\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Mounts directly on the wall using mounting screws and anchors provided\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping weight:\u003c\/strong\u003e 0.1 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostat Accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":44351306924135,"sku":"HONE-C7189U1005\/U","price":57.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/C7189U-c3-6.jpg?v=1785815657"},{"product_id":"return-duct-backup-control-of-non-zoned-redlink-enabled","title":"Honeywell Home C7735A1000\/U Return Duct: Backup Control of Non-Zoned RedLINK®-Enabled","description":"\u003cp\u003eThe C7735A1000 is a return duct sensor from Resideo (Honeywell Home), for backup control of non-zoned RedLINK-enabled systems.\u003c\/p\u003e\u003cp\u003eIt mounts in the return duct and gives the system a temperature to fall back on. If the wireless link to the thermostat drops, the equipment does not simply stop — it holds the house on the duct reading until the thermostat comes back. That is the difference between a lost signal and a no-heat call in January.\u003c\/p\u003e\u003cp\u003eRated 0 °F to 200 °F.\u003c\/p\u003e\u003cp\u003eGoes with: \u003ca href=\"\/products\/focuspro-6000-5-1-1-programmable-wireless-thermostat\"\u003eTH6320R1004\u003c\/a\u003e, \u003ca href=\"\/products\/thermostat-alone-for-replacement-only\"\u003eTH5320R1002\u003c\/a\u003e.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e C7735A1000\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Return duct sensor (backup control)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating temperature:\u003c\/strong\u003e 0 °F to 200 °F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Mounts on return duct\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUsed with:\u003c\/strong\u003e THM5320R1000 Equipment Interface Module; TH6320R1004 or TH5320R1002 Wireless FocusPRO® Thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267213417\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e RedLINK Accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":44351306989671,"sku":"HONE-C7735A1000\/U","price":35.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/C7735A1000-c4-6.jpg?v=1785815658"},{"product_id":"90-pt-whole-home-dehumidification-system","title":"Honeywell Home DR90A3000\/U 90-Pt. Whole Home Dehumidification System","description":"\u003cp\u003eThe DR90A3000 is a whole-home dehumidification system from Honeywell Home. It is ducted into the home rather than set in a room, so one unit pulls moisture out of the whole house instead of one basement corner.\u003c\/p\u003e\u003cp\u003eWhole-home dehumidification solves the problem an air conditioner cannot: on a mild humid day the cooling load is too small to run the compressor long enough to wring out the air, and the house ends up cool and clammy. A ducted dehumidifier runs on humidity alone, independent of the call for cooling.\u003c\/p\u003e\u003cp\u003eBecause it works on the whole duct system, it also holds humidity down in the rooms furthest from the air handler — the ones that are always the worst in a house with a portable unit in the basement.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Honeywell Home\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e DR90A3000\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Whole-home ducted dehumidifier\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267421515\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Dehumidifiers\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":44351309971559,"sku":"HONE-DR90A3000\/U","price":2413.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/DR120-c18-6.jpg?v=1785815689"},{"product_id":"16-in-x-25-in-media-air-cleaner-merv-11","title":"Honeywell Home F100F1625\/U 16 in x 25 in Media Air Cleaner MERV 11","description":"\u003cp\u003eThe F100F1625 is a media air cleaner from Honeywell Home, 16 in x 25 in, MERV 11.\u003c\/p\u003e\u003cp\u003eThis is the cabinet and the first filter together, not a filter on its own. It cuts into the return duct ahead of the furnace or air handler and gives the system a deep filter bed instead of the one-inch slot the equipment came with. Everything downstream — the blower wheel, the evaporator coil, the humidifier — stays cleaner, and a coil that stays clean keeps its capacity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat MERV actually buys you.\u003c\/strong\u003e The scale runs 1 to 16 and it measures how much of the small stuff the media holds back. MERV 8 catches dust and lint; MERV 11 starts catching the particles that carry odour and smoke; MERV 13 reaches the fraction that matters to people with asthma or allergies. The catch is that finer media restricts airflow, and a blower fighting a filter it was never sized for runs hot, moves less air and costs more to run.\u003c\/p\u003e\u003cp\u003eThat is why the deep media cabinet exists. Spreading four to five inches of pleated media over a large face area gives enough surface that a high MERV rating can be reached without choking the system — which a one-inch filter in the return grille cannot do at the same rating.\u003c\/p\u003e\u003cp\u003ePressure drop here is \u003cstrong\u003e0.23 at 500 FPM\u003c\/strong\u003e, which is what lets this cabinet run MERV 11 media without starving the blower.\u003c\/p\u003e\u003cp\u003eReplacement filters we stock: \u003ca href=\"\/products\/16-in-x-25-in-merv-11-replacement-media-filter\"\u003eFC100A1029\u003c\/a\u003e, \u003ca href=\"\/products\/16-in-x-25-in-merv-13-charged-media-filter\"\u003eFC200E1029\u003c\/a\u003e.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Honeywell Home\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e F100F1625\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Media air cleaner (cabinet and filter)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCabinet size:\u003c\/strong\u003e 16 in x 25 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter rating:\u003c\/strong\u003e MERV 11\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAirflow capacity:\u003c\/strong\u003e 1400 cfm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFractional efficiency:\u003c\/strong\u003e E1=32%, E2=72%, E3=96%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStatic pressure drop:\u003c\/strong\u003e 0.23 at 500 FPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Media Air Cleaner and MERV 11 Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267792660\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Air Cleaners \u0026amp; Filters\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":44351311347815,"sku":"HONE-F100F1625\/U","price":187.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/F200-c7-6_9130ca52-c0cd-4c72-a016-c28ed33ae3f3.jpg?v=1785815724"},{"product_id":"20-in-x-25-in-media-air-cleaner-merv-11","title":"Honeywell Home F100F2025\/U 20 in x 25 in Media Air Cleaner MERV 11","description":"\u003cp\u003eThe F100F2025 is a media air cleaner from Honeywell Home, 20 in x 25 in, MERV 11.\u003c\/p\u003e\u003cp\u003eThis is the cabinet and the first filter together, not a filter on its own. It cuts into the return duct ahead of the furnace or air handler and gives the system a deep filter bed instead of the one-inch slot the equipment came with. Everything downstream — the blower wheel, the evaporator coil, the humidifier — stays cleaner, and a coil that stays clean keeps its capacity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat MERV actually buys you.\u003c\/strong\u003e The scale runs 1 to 16 and it measures how much of the small stuff the media holds back. MERV 8 catches dust and lint; MERV 11 starts catching the particles that carry odour and smoke; MERV 13 reaches the fraction that matters to people with asthma or allergies. The catch is that finer media restricts airflow, and a blower fighting a filter it was never sized for runs hot, moves less air and costs more to run.\u003c\/p\u003e\u003cp\u003eThat is why the deep media cabinet exists. Spreading four to five inches of pleated media over a large face area gives enough surface that a high MERV rating can be reached without choking the system — which a one-inch filter in the return grille cannot do at the same rating.\u003c\/p\u003e\u003cp\u003ePressure drop here is \u003cstrong\u003e0.23 at 500 FPM\u003c\/strong\u003e, which is what lets this cabinet run MERV 11 media without starving the blower.\u003c\/p\u003e\u003cp\u003eReplacement filters we stock: \u003ca href=\"\/products\/20-in-x-25-in-merv-11-replacement-media-filter\"\u003eFC100A1037\u003c\/a\u003e, \u003ca href=\"\/products\/20-in-x-25-in-merv-13-charged-media-filter\"\u003eFC200E1037\u003c\/a\u003e.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Honeywell Home\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e F100F2025\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Media air cleaner (cabinet and filter)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCabinet size:\u003c\/strong\u003e 20 in x 25 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter rating:\u003c\/strong\u003e MERV 11\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAirflow capacity:\u003c\/strong\u003e 2000 cfm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFractional efficiency:\u003c\/strong\u003e E1=32%, E2=72%, E3=96%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStatic pressure drop:\u003c\/strong\u003e 0.23 at 500 FPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Media Air Cleaner and MERV 11 Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267941563\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Air Cleaners \u0026amp; Filters\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":44351311413351,"sku":"HONE-F100F2025\/U","price":187.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/F200-c7-6_567ba3f4-84db-403d-a926-f3935eba90cb.jpg?v=1785815726"},{"product_id":"20-in-x-20-in-merv-11-replacement-media-filter","title":"Honeywell Home FC100A1011\/U 20 in x 20 in MERV 11 Replacement Media Filter","description":"\u003cp\u003eThe FC100A1011 is a replacement media filter from Honeywell Home, 20 in x 20 in, MERV 11.\u003c\/p\u003e\u003cp\u003eThis is the media only — the pleated element that drops into a cabinet already in the duct. If there is no cabinet yet, the cabinet is the part to buy first.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat MERV actually buys you.\u003c\/strong\u003e The scale runs 1 to 16 and it measures how much of the small stuff the media holds back. MERV 8 catches dust and lint; MERV 11 starts catching the particles that carry odour and smoke; MERV 13 reaches the fraction that matters to people with asthma or allergies. The catch is that finer media restricts airflow, and a blower fighting a filter it was never sized for runs hot, moves less air and costs more to run.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e Honeywell 20X20 F100 and F200 Media Air Cleaners. Media cabinets are sold by nominal face size and several brands share the same one, which is why a filter with a Resideo part number is often the correct replacement in a cabinet that carries somebody else’s badge. Check the size against what came out.\u003c\/p\u003e\u003cp\u003ePressure drop is \u003cstrong\u003e0.23 at 500 FPM\u003c\/strong\u003e — worth knowing if you are stepping the rating up from what was in there before.\u003c\/p\u003e\u003cp\u003eThe cabinet it drops into, if you need one: \u003ca href=\"\/products\/20-in-x-20-in-media-air-cleaner-merv-11\"\u003eF100F2020\u003c\/a\u003e media air cleaner.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Honeywell Home\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e FC100A1011\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Replacement media filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 20 in x 20 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter rating:\u003c\/strong\u003e MERV 11\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Honeywell 20X20 F100 and F200 Media Air Cleaners\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFractional efficiency:\u003c\/strong\u003e E1=25%, E2=62%, E3=85%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStatic pressure drop:\u003c\/strong\u003e 0.23 at 500 FPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267210188\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Air Cleaners \u0026amp; Filters\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":44351312035943,"sku":"HONE-FC100A1011\/U","price":35.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/FC100A-c2-6_c9ceaee7-09ca-4bfc-ae8b-4c90eff93fd4.jpg?v=1785815731"},{"product_id":"16-in-x-25-in-merv-11-replacement-media-filter","title":"Honeywell Home FC100A1029\/U 16 in x 25 in MERV 11 Replacement Media Filter","description":"\u003cp\u003eThe FC100A1029 is a replacement media filter from Honeywell Home, 16 in x 25 in, MERV 11.\u003c\/p\u003e\u003cp\u003eThis is the media only — the pleated element that drops into a cabinet already in the duct. If there is no cabinet yet, the cabinet is the part to buy first.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat MERV actually buys you.\u003c\/strong\u003e The scale runs 1 to 16 and it measures how much of the small stuff the media holds back. MERV 8 catches dust and lint; MERV 11 starts catching the particles that carry odour and smoke; MERV 13 reaches the fraction that matters to people with asthma or allergies. The catch is that finer media restricts airflow, and a blower fighting a filter it was never sized for runs hot, moves less air and costs more to run.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e Honeywell 16X25 F100 and F200 Media Air Cleaners. Media cabinets are sold by nominal face size and several brands share the same one, which is why a filter with a Resideo part number is often the correct replacement in a cabinet that carries somebody else’s badge. Check the size against what came out.\u003c\/p\u003e\u003cp\u003ePressure drop is \u003cstrong\u003e0.23 at 500 FPM\u003c\/strong\u003e — worth knowing if you are stepping the rating up from what was in there before.\u003c\/p\u003e\u003cp\u003eThe cabinet it drops into, if you need one: \u003ca href=\"\/products\/16-in-x-25-in-media-air-cleaner-merv-11\"\u003eF100F1625\u003c\/a\u003e media air cleaner.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Honeywell Home\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e FC100A1029\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Replacement media filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 16 in x 25 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter rating:\u003c\/strong\u003e MERV 11\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Honeywell 16X25 F100 and F200 Media Air Cleaners\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFractional efficiency:\u003c\/strong\u003e E1=25%, E2=62%, E3=85%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStatic pressure drop:\u003c\/strong\u003e 0.23 at 500 FPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267210195\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Air Cleaners \u0026amp; Filters\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":44351312068711,"sku":"HONE-FC100A1029\/U","price":35.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/FC100A-c2-6_af076a5a-521b-45b7-af9d-21591e59b186.jpg?v=1785815732"},{"product_id":"20-in-x-25-in-merv-11-replacement-media-filter","title":"Honeywell Home FC100A1037\/U 20 in x 25 in MERV 11 Replacement Media Filter","description":"\u003cp\u003eThe FC100A1037 is a replacement media filter from Honeywell Home, 20 in x 25 in, MERV 11.\u003c\/p\u003e\u003cp\u003eThis is the media only — the pleated element that drops into a cabinet already in the duct. If there is no cabinet yet, the cabinet is the part to buy first.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat MERV actually buys you.\u003c\/strong\u003e The scale runs 1 to 16 and it measures how much of the small stuff the media holds back. MERV 8 catches dust and lint; MERV 11 starts catching the particles that carry odour and smoke; MERV 13 reaches the fraction that matters to people with asthma or allergies. The catch is that finer media restricts airflow, and a blower fighting a filter it was never sized for runs hot, moves less air and costs more to run.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e Honeywell 20X25, 25X20, 25X22 F100 and F200 Media Air Cleaners, SpaceGard 2200. Media cabinets are sold by nominal face size and several brands share the same one, which is why a filter with a Resideo part number is often the correct replacement in a cabinet that carries somebody else’s badge. Check the size against what came out.\u003c\/p\u003e\u003cp\u003ePressure drop is \u003cstrong\u003e0.23 at 500 FPM\u003c\/strong\u003e — worth knowing if you are stepping the rating up from what was in there before.\u003c\/p\u003e\u003cp\u003eThe cabinet it drops into, if you need one: \u003ca href=\"\/products\/20-in-x-25-in-media-air-cleaner-merv-11\"\u003eF100F2025\u003c\/a\u003e media air cleaner.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Honeywell Home\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e FC100A1037\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Replacement media filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 20 in x 25 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter rating:\u003c\/strong\u003e MERV 11\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Honeywell 20X25, 25X20, 25X22 F100 and F200 Media Air Cleaners, SpaceGard 2200\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFractional efficiency:\u003c\/strong\u003e E1=25%, E2=62%, E3=85%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStatic pressure drop:\u003c\/strong\u003e 0.23 at 500 FPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267210201\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Air Cleaners \u0026amp; Filters\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":44351312101479,"sku":"HONE-FC100A1037\/U","price":45.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/FC100A-c2-6_d0209a19-b3a1-49cf-942e-1e46bfe8d43a.jpg?v=1785815733"},{"product_id":"humidipro-digital-humidity-control","title":"Honeywell Home H6062A1000\/U HumidiPRO Digital Humidity Control","description":"\u003cp\u003eThe H6062A1000 is a digital humidity control from Honeywell Home. It sets and holds the humidity level in the house the way a thermostat sets temperature, driving the humidifier or dehumidifier from a single point instead of a manual dial on the unit.\u003c\/p\u003e\u003cp\u003eA dedicated humidity control is what turns a humidifier from a seasonal chore into something that runs itself. It reads the actual indoor level and adjusts for outdoor temperature, which matters because the humidity a house can hold without condensing on the windows drops as it gets colder outside.\u003c\/p\u003e\u003cp\u003eWithout that outdoor compensation, a setting that is right in November fogs the windows in January.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Honeywell Home\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e H6062A1000\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Digital humidity control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267278126\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Humidity Controls\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":44351312625767,"sku":"HONE-H6062A1000\/U","price":119.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/H6062A1000-c4-6.jpg?v=1785815740"},{"product_id":"humidifier-pad-w-agion-he265-he365","title":"Honeywell Home HC26E1004\/U Humidifier Pad w. AgION® - HE265, HE365","description":"\u003cp\u003eReplacement humidifier pad from Honeywell Home, part number HC26E1004\/U, for the HE265 and HE365 humidifiers.\u003c\/p\u003e\u003cp\u003eThe pad is the part of an evaporative humidifier that actually does the work. Water runs across it, house air passes through it, and the water leaves as vapor. Mineral scale builds on the pad as that happens, and a scaled pad passes air without evaporating much of anything.\u003c\/p\u003e\u003cp\u003eReplace the pad at the start of each heating season. A humidifier that will not hold setpoint has usually not failed — it is running on a pad that has turned to rock.\u003c\/p\u003e\u003cp\u003eScale build-up is faster on hard water, and a pad that would last a season on soft water can be finished by February on a well. If the unit sounds like it is running but the humidity reading will not climb, pull the pad and look at it before troubleshooting anything electrical.\u003c\/p\u003e\u003cp\u003eFitting the correct pad matters more than it looks. The pad has to fill its frame for the air to pass through it rather than around it, and an undersized or wrong-profile pad lets the airstream bypass the water entirely.\u003c\/p\u003e\u003cp\u003eThis pad carries an \u003cstrong\u003eAgION\u003c\/strong\u003e antimicrobial coating, which limits the growth that otherwise takes hold on a surface that stays damp all winter.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Honeywell Home\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e HC26E1004\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e HE265, HE365\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAntimicrobial coating:\u003c\/strong\u003e AgION\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267208536\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Humidifier Pads\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":44351312724071,"sku":"HONE-HC26E1004\/U","price":26.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TheHouseSupplier_41e80f90-52af-49b5-9509-659d783f8675.png?v=1785982070"},{"product_id":"advanced-evaporative-fan-powered-humidifier","title":"Honeywell Home HE300A1005\/U Advanced Evaporative Fan-Powered Humidifier","description":"\u003cp\u003eThe HE300A1005 is an advanced evaporative fan-powered whole-house humidifier from Honeywell Home. It mounts on the supply or return duct and carries its own fan, so it can run whether or not the furnace blower is on.\u003c\/p\u003e\u003cp\u003eA fan-powered humidifier is the answer when a bypass unit cannot keep up. The bypass design borrows air pressure from the duct system and is limited by it; the fan-powered design makes its own airflow through the pad and puts noticeably more water into the air for the same duct.\u003c\/p\u003e\u003cp\u003eDry winter air is not only a comfort problem. It pulls moisture out of hardwood, trim and instruments, and it makes a house at 70 °F feel colder than one at 68 °F with proper humidity — which is why a humidifier that holds setpoint usually lets the thermostat come down a degree.\u003c\/p\u003e\u003cp\u003ePlan on a fresh pad every heating season. The unit is built to be serviced, and the pad is the part that wears.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Honeywell Home\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e HE300A1005\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Fan-powered evaporative whole-house humidifier\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267845892\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Humidifiers\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":44351312789607,"sku":"HONE-HE300A1005\/U","price":478.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/HE300-c4-6.jpg?v=1785815745"},{"product_id":"advanced-electrode-humidifier-replacement-cylinder","title":"Honeywell Home HM750ACYL\/U Advanced Electrode Humidifier Replacement Cylinder","description":"\u003cp\u003eAdvanced Electrode Humidifier Replacement Cylinder — genuine Honeywell Home service part, number HM750ACYL\/U.\u003c\/p\u003e\u003cp\u003eWhole-home humidifiers and dehumidifiers run through an entire heating or cooling season without being looked at, and the parts that fail are the ones that see water and cycling: solenoids, boards, cylinders and filters. Replacing the failed part is what keeps a unit that is otherwise sound out of the landfill.\u003c\/p\u003e\u003cp\u003eCheck the model number on the unit label before ordering. Resideo humidifier platforms share a family name but not always a part, and a board or solenoid from the neighbouring model will not drop in.\u003c\/p\u003e\u003cp\u003eTwo failures account for most humidifier service calls. A solenoid that will not open leaves the pad dry and the house at whatever humidity the weather gives it; a solenoid that will not close runs water through the unit and down the drain all season, which shows up on the water bill long before anyone notices the humidity is high.\u003c\/p\u003e\u003cp\u003eHard water shortens the life of every wetted part in a humidifier. Where the supply is hard, an in-line scale filter and a fresh pad each season do more for the unit than any other maintenance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Honeywell Home\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e HM750ACYL\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267941815\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Humidifier Parts\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":44351312822375,"sku":"HONE-HM750ACYL\/U","price":119.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/HM750ACYL-c2-6.jpg?v=1785815746"},{"product_id":"truezone-hz311-panel","title":"Honeywell Home HZ311\/U TrueZONE® HZ311 Panel","description":"\u003cp\u003eThe HZ311 is a TrueZONE forced-air zone panel from Honeywell Home — 3 Zone, 1 Heat\/1 Cool.\u003c\/p\u003e\u003cp\u003eZoning is what you do when one thermostat cannot describe the whole house. The panel takes a call from each zone thermostat, opens that zone’s dampers, closes the others and runs the equipment at the stage the call needs — so the finished attic and the north bedroom stop fighting each other through a single stat in the hallway.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTwo numbers decide which panel.\u003c\/strong\u003e Zones is how many separately controlled areas it handles — this one is rated for 3 Zone. Stages is how much of the equipment it can drive: 1 Heat\/1 Cool. A panel with enough zones but not enough stages will run a two-stage furnace as though it were single-stage, and the equipment loses the efficiency that was paid for.\u003c\/p\u003e\u003cp\u003eIndividual zone fan control lets one zone run its fan without calling the others — useful where a room needs circulation rather than heat.\u003c\/p\u003e\u003cp\u003eIt works with a \u003cstrong\u003edischarge air temperature sensor\u003c\/strong\u003e, which is the part that protects the equipment when a single small zone calls: the panel watches supply temperature and backs the equipment down before the heat exchanger overheats or the coil freezes.\u003c\/p\u003e\u003cp\u003eThis is the panel on its own. A working installation also needs a 24 V transformer sized for the panel and the dampers, and a discharge air sensor — the kit version of this part number includes both.\u003c\/p\u003e\u003cp\u003eCount the dampers before sizing the transformer. Every actuator adds to the load, and the intermittent faults in a zoning system are usually a transformer running at its limit rather than the panel.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Honeywell Home\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e HZ311\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e TrueZONE forced-air zone panel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZones:\u003c\/strong\u003e 3 Zone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStages:\u003c\/strong\u003e 1 Heat\/1 Cool\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat pump compatible:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto changeover:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndividual zone fan control:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResettable fuse:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267297950\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Forced Air Zone Panels\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":44351314624615,"sku":"HONE-HZ311\/U","price":201.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/HZ311-c3-6.jpg?v=1785815763"},{"product_id":"truezone-hz322-panel","title":"Honeywell Home HZ322\/U TrueZONE® HZ322 Panel","description":"\u003cp\u003eThe HZ322 is a TrueZONE forced-air zone panel from Honeywell Home — 3 Zone, 2 Heat\/2 Cool.\u003c\/p\u003e\u003cp\u003eZoning is what you do when one thermostat cannot describe the whole house. The panel takes a call from each zone thermostat, opens that zone’s dampers, closes the others and runs the equipment at the stage the call needs — so the finished attic and the north bedroom stop fighting each other through a single stat in the hallway.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTwo numbers decide which panel.\u003c\/strong\u003e Zones is how many separately controlled areas it handles — this one is rated for 3 Zone. Stages is how much of the equipment it can drive: 2 Heat\/2 Cool. A panel with enough zones but not enough stages will run a two-stage furnace as though it were single-stage, and the equipment loses the efficiency that was paid for.\u003c\/p\u003e\u003cp\u003eHeat pump compatible, with an emergency heat switch and automatic changeover. A zone panel that cannot handle a heat pump properly is the one that ends up running auxiliary strip heat when it should not.\u003c\/p\u003e\u003cp\u003eIndividual zone fan control lets one zone run its fan without calling the others — useful where a room needs circulation rather than heat.\u003c\/p\u003e\u003cp\u003eIt works with a \u003cstrong\u003edischarge air temperature sensor\u003c\/strong\u003e, which is the part that protects the equipment when a single small zone calls: the panel watches supply temperature and backs the equipment down before the heat exchanger overheats or the coil freezes.\u003c\/p\u003e\u003cp\u003eThis is the panel on its own. A working installation also needs a 24 V transformer sized for the panel and the dampers, and a discharge air sensor — the kit version of this part number includes both.\u003c\/p\u003e\u003cp\u003eCount the dampers before sizing the transformer. Every actuator adds to the load, and the intermittent faults in a zoning system are usually a transformer running at its limit rather than the panel.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Honeywell Home\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e HZ322\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e TrueZONE forced-air zone panel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZones:\u003c\/strong\u003e 3 Zone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStages:\u003c\/strong\u003e 2 Heat\/2 Cool\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat pump compatible:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto changeover:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmergency heat switch:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndividual zone fan control:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResettable fuse:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267297967\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Forced Air Zone Panels\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":44351314690151,"sku":"HONE-HZ322\/U","price":257.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/HZ322-c7-6.jpg?v=1785815765"},{"product_id":"truezone-kit-dats-transform-hz322-pnl","title":"Honeywell Home HZ322K\/U TrueZONE® Kit - DATS\/Transform\/HZ322 Pnl","description":"\u003cp\u003eThe HZ322K is a TrueZONE forced-air zone panel from Honeywell Home — 3 Zone, 2 Heat\/2 Cool, supplied as a kit.\u003c\/p\u003e\u003cp\u003eZoning is what you do when one thermostat cannot describe the whole house. The panel takes a call from each zone thermostat, opens that zone’s dampers, closes the others and runs the equipment at the stage the call needs — so the finished attic and the north bedroom stop fighting each other through a single stat in the hallway.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTwo numbers decide which panel.\u003c\/strong\u003e Zones is how many separately controlled areas it handles — this one is rated for 3 Zone. Stages is how much of the equipment it can drive: 2 Heat\/2 Cool. A panel with enough zones but not enough stages will run a two-stage furnace as though it were single-stage, and the equipment loses the efficiency that was paid for.\u003c\/p\u003e\u003cp\u003eHeat pump compatible, with an emergency heat switch and automatic changeover. A zone panel that cannot handle a heat pump properly is the one that ends up running auxiliary strip heat when it should not.\u003c\/p\u003e\u003cp\u003eIndividual zone fan control lets one zone run its fan without calling the others — useful where a room needs circulation rather than heat.\u003c\/p\u003e\u003cp\u003eIt works with a \u003cstrong\u003edischarge air temperature sensor\u003c\/strong\u003e, which is the part that protects the equipment when a single small zone calls: the panel watches supply temperature and backs the equipment down before the heat exchanger overheats or the coil freezes.\u003c\/p\u003e\u003cp\u003eThe kit version ships with what the panel needs to be commissioned rather than as a bare board: \u003cstrong\u003eHZ322 Zone Control Panel, AT140 Transformer, C7735A Discharge Air Temperature Sensor\u003c\/strong\u003e. Buying the three separately costs more and leaves the transformer sizing to chance.\u003c\/p\u003e\u003cp\u003eCount the dampers before sizing the transformer. Every actuator adds to the load, and the intermittent faults in a zoning system are usually a transformer running at its limit rather than the panel.\u003c\/p\u003e\u003cp\u003eWe stock these kit parts individually too: \u003ca href=\"\/products\/truezone-hz322-panel\"\u003eHZ322\u003c\/a\u003e, \u003ca href=\"\/products\/foot-mounted-120-vac-transformer-with-9-in-leadwires-and-plastic-end-caps\"\u003eAT140B1206\u003c\/a\u003e, \u003ca href=\"\/products\/foot-mounted-120-208-240-vac-transformer-with-9-in-leadwires-and-plastic-end-caps\"\u003eAT140B1214\u003c\/a\u003e, \u003ca href=\"\/products\/return-duct-backup-control-of-non-zoned-redlink-enabled\"\u003eC7735A1000\u003c\/a\u003e.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Honeywell Home\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e HZ322K\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e TrueZONE forced-air zone panel kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZones:\u003c\/strong\u003e 3 Zone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStages:\u003c\/strong\u003e 2 Heat\/2 Cool\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat pump compatible:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto changeover:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmergency heat switch:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndividual zone fan control:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResettable fuse:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e HZ322 Zone Control Panel, AT140 Transformer, C7735A Discharge Air Temperature Sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267314367\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Forced Air Zone Panels\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":44351314722919,"sku":"HONE-HZ322K\/U","price":292.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/HZ322K-c3-6.jpg?v=1785815766"},{"product_id":"truezone-hz432-panel","title":"Honeywell Home HZ432\/U TrueZONE® HZ432 Panel","description":"\u003cp\u003eThe HZ432 is a TrueZONE forced-air zone panel from Honeywell Home — 4 Zones, 3 Heat\/2 Cool.\u003c\/p\u003e\u003cp\u003eZoning is what you do when one thermostat cannot describe the whole house. The panel takes a call from each zone thermostat, opens that zone’s dampers, closes the others and runs the equipment at the stage the call needs — so the finished attic and the north bedroom stop fighting each other through a single stat in the hallway.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTwo numbers decide which panel.\u003c\/strong\u003e Zones is how many separately controlled areas it handles — this one is rated for 4 Zones. Stages is how much of the equipment it can drive: 3 Heat\/2 Cool. A panel with enough zones but not enough stages will run a two-stage furnace as though it were single-stage, and the equipment loses the efficiency that was paid for.\u003c\/p\u003e\u003cp\u003eIt is also \u003cstrong\u003eexpandable to 32 with TAZ-4H panels\u003c\/strong\u003e — worth knowing before ruling this panel out on a larger job.\u003c\/p\u003e\u003cp\u003eHeat pump compatible, with an emergency heat switch and automatic changeover. A zone panel that cannot handle a heat pump properly is the one that ends up running auxiliary strip heat when it should not.\u003c\/p\u003e\u003cp\u003eIndividual zone fan control lets one zone run its fan without calling the others — useful where a room needs circulation rather than heat.\u003c\/p\u003e\u003cp\u003eIt works with a \u003cstrong\u003edischarge air temperature sensor\u003c\/strong\u003e, which is the part that protects the equipment when a single small zone calls: the panel watches supply temperature and backs the equipment down before the heat exchanger overheats or the coil freezes.\u003c\/p\u003e\u003cp\u003eThis is the panel on its own. A working installation also needs a 24 V transformer sized for the panel and the dampers, and a discharge air sensor — the kit version of this part number includes both.\u003c\/p\u003e\u003cp\u003eCount the dampers before sizing the transformer. Every actuator adds to the load, and the intermittent faults in a zoning system are usually a transformer running at its limit rather than the panel.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Honeywell Home\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e HZ432\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e TrueZONE forced-air zone panel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZones:\u003c\/strong\u003e 4 Zones (expandable to 32 with TAZ-4H panels)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStages:\u003c\/strong\u003e 3 Heat\/2 Cool\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat pump compatible:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto changeover:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmergency heat switch:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndividual zone fan control:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResettable fuse:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267297943\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Forced Air Zone Panels\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":44351314755687,"sku":"HONE-HZ432\/U","price":549.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/HZ432-c7-6.jpg?v=1785815767"},{"product_id":"fan-and-limit-controller-11-5-in-insert","title":"Resideo L4064B2210\/U Fan and Limit Controller - 11.5 in insert","description":"\u003cp\u003eThe L4064B2210 is a high limit control from Resideo (Honeywell Home), fixed 200 °F, 11.5 in insert, manual reset.\u003c\/p\u003e\u003cp\u003eThe limit is the control that is supposed to never operate. It watches the plenum and breaks the burner circuit if temperature climbs past the setting — the case where the blower has failed, a filter has collapsed or a damper is shut and the heat has nowhere to go.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManual reset is deliberate.\u003c\/strong\u003e A limit that resets itself lets the furnace keep cycling on an overheat condition and hides the fault. One that stays open forces somebody to find out why it tripped.\u003c\/p\u003e\u003cp\u003eInsert length has to match the plenum. Too short and the element sits in the sheet metal instead of the airstream; too long and it can reach the heat exchanger.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e L4064B2210\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e High limit control, manual reset\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSetting:\u003c\/strong\u003e Fixed 200 °F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert length:\u003c\/strong\u003e 11.5 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267000192\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Fan \u0026amp; Limit Controllers\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351316951143,"sku":"HONE-L4064B2210\/U","price":174.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/L4064B-c35-6.jpg?v=1785815796"},{"product_id":"fan-and-limit-controller-5-in-insert","title":"Resideo L4064B2228\/U Fan and limit controller - 5 in insert","description":"\u003cp\u003eThe L4064B2228 is a fan and limit controller from Resideo (Honeywell Home), 5 in insert.\u003c\/p\u003e\u003cp\u003eOne control, two jobs, and they are not the same job. The \u003cstrong\u003efan\u003c\/strong\u003e side starts the blower once the plenum is warm and stops it once the heat has been delivered, so the house gets warm air instead of cold air followed by wasted heat. The \u003cstrong\u003elimit\u003c\/strong\u003e side is the safety: it breaks the burner circuit if the plenum overheats, which is what happens when the blower fails or the return is blocked.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInsert length has to match the plenum.\u003c\/strong\u003e This is the dimension that decides whether the part fits at all, and the one most often got wrong when ordering by model number alone. Measure what comes out.\u003c\/p\u003e\u003cp\u003eSetting the fan-on point too high is the classic complaint of cold air at the start of a cycle; setting the fan-off too high leaves usable heat in the exchanger at the end of it.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e L4064B2228\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Fan and limit controller\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert length:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating range:\u003c\/strong\u003e -40 F to +190 F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContact rating:\u003c\/strong\u003e Fan- (AFL): 14 A @ 120 Vac: 7 A @ 240 Vac; Fan- (ALR): 84 A @ 120 Vac: 42 A @ 240 Vac; Limit- (AFL): 8 A @ 120 Vac: 4 A @ 240 Vac; Limit- (ALR) 48 A @ 120 Vac: 24 A @ 240 Vac\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Forced warm air heating systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267000208\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Fan \u0026amp; Limit Controllers\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351317311591,"sku":"HONE-L4064B2228\/U","price":187.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/L4064B-c35-6_91e9bcc4-d9bd-4a85-8d0c-e44a271dd6b9.jpg?v=1785815797"},{"product_id":"fan-and-limit-controller-8-in-insert","title":"Resideo L4064B2236\/U Fan and Limit Controller - 8 in insert","description":"\u003cp\u003eThe L4064B2236 is a high limit control from Resideo (Honeywell Home), fixed 200 °F, 8 in insert, manual reset.\u003c\/p\u003e\u003cp\u003eThe limit is the control that is supposed to never operate. It watches the plenum and breaks the burner circuit if temperature climbs past the setting — the case where the blower has failed, a filter has collapsed or a damper is shut and the heat has nowhere to go.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManual reset is deliberate.\u003c\/strong\u003e A limit that resets itself lets the furnace keep cycling on an overheat condition and hides the fault. One that stays open forces somebody to find out why it tripped.\u003c\/p\u003e\u003cp\u003eInsert length has to match the plenum. Too short and the element sits in the sheet metal instead of the airstream; too long and it can reach the heat exchanger.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e L4064B2236\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e High limit control, manual reset\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSetting:\u003c\/strong\u003e Fixed 200 °F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert length:\u003c\/strong\u003e 8 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Fan \u0026amp; Limit Controllers\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351317344359,"sku":"HONE-L4064B2236\/U","price":170.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/L4064B2210-c34-6.jpg?v=1785815798"},{"product_id":"immersion-type-aquastat","title":"Resideo L4080B1352\/U Immersion type Aquastat","description":"\u003cp\u003eThe L4080B1352 is a control from Resideo (Honeywell Home) that senses boiler water temperature and switches the burner, the circulator, or both. It operates over the range printed on the control.\u003c\/p\u003e\u003cp\u003eThe aquastat is the control that keeps a hydronic boiler inside its working band. It holds the water hot enough to serve a call for heat and shuts the burner down before the boiler reaches a temperature the relief valve would have to handle.\u003c\/p\u003e\u003cp\u003eWhen you replace an aquastat, match the temperature range, the switch action and the differential to the control coming out, not to the boiler nameplate. A boiler will happily run on a control with the wrong range — it will simply cycle badly, or trip a limit that was never meant to be the working control.\u003c\/p\u003e\u003cp\u003eThe sensing bulb belongs in an immersion well, filled with heat conductive compound, threaded into the tapping the boiler manufacturer provided for it. A bulb strapped to the outside of a pipe reads the pipe, not the water, and it reads it late.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e L4080B1352\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267153713\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Aquastats \u0026amp; Wells\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351317377127,"sku":"HONE-L4080B1352\/U","price":105.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/L4080B1352-c7-6.jpg?v=1785815799"},{"product_id":"high-or-low-limit-surface-mount-controller-with-spdt-operating-range-65-200f-factory-stop-at-200f","title":"Resideo L6006C1018\/U High or low limit surface mount controller with SPDT, operating range 65-200F, factory stop at 200F","description":"\u003cp\u003eThe L6006C1018 is a control from Resideo (Honeywell Home) that senses boiler water temperature and switches the burner, the circulator, or both. It operates over a 65–200 °F range, with SPDT contacts.\u003c\/p\u003e\u003cp\u003eThe aquastat is the control that keeps a hydronic boiler inside its working band. It holds the water hot enough to serve a call for heat and shuts the burner down before the boiler reaches a temperature the relief valve would have to handle.\u003c\/p\u003e\u003cp\u003eWhen you replace an aquastat, match the temperature range, the switch action and the differential to the control coming out, not to the boiler nameplate. A boiler will happily run on a control with the wrong range — it will simply cycle badly, or trip a limit that was never meant to be the working control.\u003c\/p\u003e\u003cp\u003eThe sensing bulb belongs in an immersion well, filled with heat conductive compound, threaded into the tapping the boiler manufacturer provided for it. A bulb strapped to the outside of a pipe reads the pipe, not the water, and it reads it late.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e L6006C1018\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature range:\u003c\/strong\u003e 65–200 °F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitch action:\u003c\/strong\u003e SPDT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping weight:\u003c\/strong\u003e 1.4 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Aquastats \u0026amp; Wells\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351317540967,"sku":"HONE-L6006C1018\/U","price":198.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/L6006A1145-c10-6.jpg?v=1785815805"},{"product_id":"universal-electronic-oil-aquastat-with-enviracom-communication","title":"Resideo L7224U1002\/U Universal Electronic Oil Aquastat with EnviraCOM communication","description":"\u003cp\u003eThe L7224U1002 is a universal electronic oil aquastat from Resideo (Honeywell Home). It replaces the mechanical high-limit and circulator controls on an oil-fired boiler with a single electronic control, and it speaks EnviraCOM, so the boiler can report to a compatible thermostat or service tool.\u003c\/p\u003e\u003cp\u003eThe advantage of an electronic aquastat over a bimetal control is that it can run a thermal targeting strategy: instead of holding the boiler at one high limit all winter, it lowers the target when the heating load is light and raises it when the house is actually calling hard. On an oil boiler that spends most of the season under part load, that is where the fuel saving comes from.\u003c\/p\u003e\u003cp\u003eUniversal means one control covers a range of applications that used to need different part numbers, which is worth as much to a service truck as it is to the installation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e L7224U1002\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Electronic oil aquastat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication:\u003c\/strong\u003e EnviraCOM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267255431\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Aquastats \u0026amp; Wells\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351318655079,"sku":"HONE-L7224U1002\/U","price":288.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/L7224U-c4-6.jpg?v=1785815809"},{"product_id":"aquastat-relay-140-to-240-f-range-with-8-degree-f-fixed-differential-low-volt-millivolt","title":"Resideo L8148A1017\/U Aquastat Relay, 140 to 240 F range with 8 degree F fixed differential, low volt\/millivolt","description":"\u003cp\u003eThe L8148A1017 is a relay from Resideo (Honeywell Home) that senses boiler water temperature and switches the burner, the circulator, or both. It operates over a 140–240 °F range with a fixed differential.\u003c\/p\u003e\u003cp\u003eThe aquastat is the control that keeps a hydronic boiler inside its working band. It holds the water hot enough to serve a call for heat and shuts the burner down before the boiler reaches a temperature the relief valve would have to handle.\u003c\/p\u003e\u003cp\u003eThe differential is factory fixed, which removes one setting from the commissioning process and one thing for a future service call to get wrong.\u003c\/p\u003e\u003cp\u003eWhen you replace an aquastat, match the temperature range, the switch action and the differential to the control coming out, not to the boiler nameplate. A boiler will happily run on a control with the wrong range — it will simply cycle badly, or trip a limit that was never meant to be the working control.\u003c\/p\u003e\u003cp\u003eThe sensing bulb belongs in an immersion well, filled with heat conductive compound, threaded into the tapping the boiler manufacturer provided for it. A bulb strapped to the outside of a pipe reads the pipe, not the water, and it reads it late.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e L8148A1017\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature range:\u003c\/strong\u003e 140–240 °F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDifferential:\u003c\/strong\u003e Fixed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267055086\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping weight:\u003c\/strong\u003e 3.0 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Aquastats \u0026amp; Wells\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351318687847,"sku":"HONE-L8148A1017\/U","price":328.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/L8148A1017-c8-6.jpg?v=1785815810"},{"product_id":"aquastat-relay-180-to-240-f-range-with-15-degree-f-fixed-differential-low-volt-millivolt","title":"Resideo Aquastat Relay, 180 to 240 F range with 15 degree F fixed differential, low volt\/millivolt L8148E1265\/U","description":"\u003cp\u003eThe L8148E1265 is a relay from Resideo (Honeywell Home) that senses boiler water temperature and switches the burner, the circulator, or both. It operates over a 180–240 °F range with a fixed differential.\u003c\/p\u003e\u003cp\u003eThe aquastat is the control that keeps a hydronic boiler inside its working band. It holds the water hot enough to serve a call for heat and shuts the burner down before the boiler reaches a temperature the relief valve would have to handle.\u003c\/p\u003e\u003cp\u003eThe differential is factory fixed, which removes one setting from the commissioning process and one thing for a future service call to get wrong.\u003c\/p\u003e\u003cp\u003eWhen you replace an aquastat, match the temperature range, the switch action and the differential to the control coming out, not to the boiler nameplate. A boiler will happily run on a control with the wrong range — it will simply cycle badly, or trip a limit that was never meant to be the working control.\u003c\/p\u003e\u003cp\u003eThe sensing bulb belongs in an immersion well, filled with heat conductive compound, threaded into the tapping the boiler manufacturer provided for it. A bulb strapped to the outside of a pipe reads the pipe, not the water, and it reads it late.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e L8148E1265\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature range:\u003c\/strong\u003e 180–240 °F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDifferential:\u003c\/strong\u003e Fixed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping weight:\u003c\/strong\u003e 3.0 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Aquastats \u0026amp; Wells\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351318720615,"sku":"HONE-L8148E1265\/U","price":448.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/L8148E-c3-6.jpg?v=1785815812"},{"product_id":"1-1-4-in-npt-mixing-valve-lf","title":"Resideo MX128LF\/U 1 1\/4 in NPT Mixing Valve LF","description":"\u003cp\u003eThe MX128LF is a lead-free thermostatic mixing valve from Resideo (Honeywell Home), 1-1\/4 inch, NPT connection.\u003c\/p\u003e\u003cp\u003eA mixing valve solves a problem that has no other answer: a water heater has to be kept hot enough to suppress bacterial growth in the tank, and that temperature is too hot to deliver to a tap. The valve blends stored hot water with cold on its way out, so the tank stays hot and the fixture does not.\u003c\/p\u003e\u003cp\u003eBeyond safety, tempering buys capacity. A tank held hot and blended down delivers considerably more usable hot water than the same tank set to delivery temperature, because each gallon drawn is stretched with cold.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eLead free\u003c\/strong\u003e construction, as required for potable water in the United States.\u003c\/p\u003e\u003cp\u003eSet the outlet temperature with a thermometer at the fixture, not by the dial alone, and re-check it after the system has settled. Inlet conditions move the mix, and a valve set on a cold line reads differently once the loop is up to temperature.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e MX128LF\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermostatic mixing valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1-1\/4 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead free:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267358972\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Mixing Valves\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351319375975,"sku":"HONE-MX128LF\/U","price":1238.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/MX129LF-c1-6_66f95bbf-74ab-460c-a575-4c089a867362.jpg?v=1785815823"},{"product_id":"30-in-igniter-flame-rod-assembly-for-smartvalve-pilots","title":"Resideo Q3400A1024\/U 30 in Igniter Flame Rod Assembly for SmartValve Pilots","description":"\u003cp\u003eIgniter and flame rod assembly from Resideo (Honeywell Home), part number Q3400A1024\/U, for SmartValve pilots.\u003c\/p\u003e\u003cp\u003eThis single assembly does both jobs in an intermittent pilot system: it sparks to light the pilot, then serves as the flame rod that proves the pilot is burning. The control watches for the tiny rectified current that only a real flame can conduct, and shuts the gas off in seconds if it does not see it.\u003c\/p\u003e\u003cp\u003eA furnace that lights and then drops out after a few seconds is usually telling you about this part, not about the gas valve. A sooted, cracked or mispositioned flame rod stops conducting long before it stops looking serviceable.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e Q3400A1024\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Igniter \/ flame rod assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping weight:\u003c\/strong\u003e 0.2 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Ignition Components\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351321669735,"sku":"HONE-Q3400A1024\/U","price":110.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/Q3400A-c3-6_73a57d01-ef5d-489f-ac78-0f1e03669dde.jpg?v=1785815870"},{"product_id":"36-thermocouple","title":"Resideo Q340A1090\/U 36\" Thermocouple","description":"\u003cp\u003eThe Q340A1090 is a thermocouple from Resideo (Honeywell Home), 36 inches long.\u003c\/p\u003e\u003cp\u003eThe thermocouple is the safety device on a standing pilot appliance. Its tip sits in the pilot flame and generates a small DC voltage, and that voltage is what holds the pilot safety valve open. Lose the flame, lose the voltage, and the valve closes within seconds — no electronics, no power supply, nothing to fail closed.\u003c\/p\u003e\u003cp\u003eOutput is measured in millivolts, and it falls as the tip oxidizes. A pilot that lights, holds while the button is pressed, and drops the moment the button is released is the classic sign: the thermocouple is still making some voltage but no longer enough to hold the valve in.\u003c\/p\u003e\u003cp\u003eLength is what makes one thermocouple different from another in this family. Buy the length that reaches, and route the lead away from the flame path — a thermocouple lead cooked against the burner fails early and looks fine doing it.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e Q340A1090\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermocouple\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e 30 mV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 36 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermocouples \u0026amp; Thermopiles\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351321768039,"sku":"HONE-Q340A1090\/U","price":16.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/Q340A1090-c4-6.jpg?v=1785815874"},{"product_id":"multisystem-electronic-oil-primary","title":"Resideo R7284U1004\/U Multisystem Electronic Oil Primary","description":"\u003cp\u003eThe R7284U1004 is an electronic oil primary from Resideo (Honeywell Home), Settable 15, 30 or 45 seconds safety timing, multisystem.\u003c\/p\u003e\u003cp\u003eThe primary control runs the burner sequence and decides when to stop. It calls for ignition, opens the oil, watches the cad cell, and if no flame appears within the safety timing it shuts down and locks out. That timing is the whole safety case: it bounds how much oil can reach a cold chamber before the control gives up.\u003c\/p\u003e\u003cp\u003eSafety timing here is \u003cstrong\u003eSettable 15, 30 or 45 seconds\u003c\/strong\u003e. Match it to what the appliance was designed around — the timing is not a preference, it is part of the burner’s listing.\u003c\/p\u003e\u003cp\u003eThe electronic primary adds diagnostics the relay version cannot give: it remembers why it locked out, and it can pump the oil line down before it stops rather than leaving the nozzle to drip into a hot chamber.\u003c\/p\u003e\u003cp\u003eA primary that keeps locking out is usually not the primary. Change the cad cell first, then check that it is aimed at the flame.\u003c\/p\u003e\u003cp\u003eGoes with: \u003ca href=\"\/products\/cadmium-sulfide-flame-detector-with-60-in-leads-type-r-bracket-and-higher-sensitivity-cad-cell\"\u003eC554A1463\u003c\/a\u003e, \u003ca href=\"\/products\/replacement-cell-assembly-400-1000-ohm-sensitivity\"\u003e130367\u003c\/a\u003e.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e R7284U1004\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Electronic oil primary\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety timing:\u003c\/strong\u003e Settable 15, 30 or 45 seconds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnition:\u003c\/strong\u003e Interrupted and Intermittent\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContact rating:\u003c\/strong\u003e 10A @ 120 Vac\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating range:\u003c\/strong\u003e -40 F to +147 F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Junction box on main burner\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 4 5\/32 in long x 4 11\/32 in wide x 2 1\/2 in high\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping weight:\u003c\/strong\u003e 0.75 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Oil Burner Controls\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351323144295,"sku":"HONE-R7284U1004\/U","price":123.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/R7284U1004-c1-6.jpg?v=1785815914"},{"product_id":"protectorelay-oil-burner-control-with-45-second-safety-timing","title":"Resideo R8184G4009\/U Protectorelay® Oil Burner Control with 45 Second Safety Timing","description":"\u003cp\u003eThe R8184G4009 is an oil burner primary control from Resideo (Honeywell Home), 45 seconds safety timing.\u003c\/p\u003e\u003cp\u003eThe primary control runs the burner sequence and decides when to stop. It calls for ignition, opens the oil, watches the cad cell, and if no flame appears within the safety timing it shuts down and locks out. That timing is the whole safety case: it bounds how much oil can reach a cold chamber before the control gives up.\u003c\/p\u003e\u003cp\u003eSafety timing here is \u003cstrong\u003e45 seconds\u003c\/strong\u003e. Match it to what the appliance was designed around — the timing is not a preference, it is part of the burner’s listing.\u003c\/p\u003e\u003cp\u003eProtectorelay is the electromechanical family. It has outlived several generations of electronics on oil burners because there is very little in it to drift, and a technician who has never seen this exact model still knows how it behaves.\u003c\/p\u003e\u003cp\u003eA primary that keeps locking out is usually not the primary. Change the cad cell first, then check that it is aimed at the flame.\u003c\/p\u003e\u003cp\u003eGoes with: \u003ca href=\"\/products\/cadmium-sulfide-flame-detector-with-60-in-leads-type-r-bracket-and-higher-sensitivity-cad-cell\"\u003eC554A1463\u003c\/a\u003e, \u003ca href=\"\/products\/replacement-cell-assembly-400-1000-ohm-sensitivity\"\u003e130367\u003c\/a\u003e.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e R8184G4009\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Oil burner primary control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety timing:\u003c\/strong\u003e 45 seconds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnition:\u003c\/strong\u003e Intermittent\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContact rating:\u003c\/strong\u003e 7.4 A @ 120 Vac; 3.7 a @ 240 Vac\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating range:\u003c\/strong\u003e -40 F to +130 F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e For mounting on a standard 4 in. X 4 in. junction box or direct mounting on burner housing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 4 3\/8 in high x 4 1\/8 in wide x 2 1\/2 in deep\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Oil Burner Controls\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351323209831,"sku":"HONE-R8184G4009\/U","price":170.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/R8184G-c25-6.jpg?v=1785815915"},{"product_id":"12-va-general-purpose-relay-with-dpdt-switching","title":"Resideo R8222D1014\/U 12 VA General Purpose Relay with DPDT Switching","description":"\u003cp\u003eThe R8222D1014 is a general purpose relay from Resideo (Honeywell Home), 12 V, DPDT switching.\u003c\/p\u003e\u003cp\u003eA relay lets a small control signal switch a much larger load. The thermostat or control board energizes a coil; the coil pulls contacts closed; the contacts carry the current that runs a blower, a circulator or an electric heat element. Nothing on the thermostat side ever sees line voltage.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDPDT\u003c\/strong\u003e — double pole, double throw: two independent circuits switched together, each with a normally open and a normally closed contact. It is what you need when one call has to make one thing and break another at the same instant.\u003c\/p\u003e\u003cp\u003eMatch the coil voltage and the contact rating to what you are replacing. A relay with the right coil but an undersized contact will work on the bench and weld shut in service.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e R8222D1014\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e General purpose relay\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitching:\u003c\/strong\u003e DPDT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 12 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping weight:\u003c\/strong\u003e 0.5 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Relays\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351323308135,"sku":"HONE-R8222D1014\/U","price":32.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/R8222-c5-6_b526c24a-2e1f-4249-af30-552a4fa4856a.jpg?v=1785815919"},{"product_id":"electromechanical-heating-relay-with-208-240v-transformer","title":"Honeywell Home RC840T-240\/U Electromechanical Heating Relay with 208\/240V Transformer","description":"\u003cp\u003eThe RC840T-240 is a heating relay from Honeywell Home, 208\/240 V.\u003c\/p\u003e\u003cp\u003eA relay lets a small control signal switch a much larger load. The thermostat or control board energizes a coil; the coil pulls contacts closed; the contacts carry the current that runs a blower, a circulator or an electric heat element. Nothing on the thermostat side ever sees line voltage.\u003c\/p\u003e\u003cp\u003eThis relay carries an \u003cstrong\u003einternal transformer\u003c\/strong\u003e, so it makes its own 24 V control power instead of borrowing it from the system. On a retrofit that is often the deciding feature: adding a relay to a circuit that is already at the limit of its transformer causes exactly the intermittent faults that are hardest to chase.\u003c\/p\u003e\u003cp\u003eMatch the coil voltage and the contact rating to what you are replacing. A relay with the right coil but an undersized contact will work on the bench and weld shut in service.\u003c\/p\u003e\u003cp\u003eThe same relay without a transformer is the \u003ca href=\"\/products\/electromechanical-relay-without-transformer\"\u003eRC840\u003c\/a\u003e, for systems that already have 24 V power available.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Honeywell Home\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e RC840T-240\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Heating relay\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 208\/240 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal transformer:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 775264094620\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Relays\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":44351323701351,"sku":"HONE-RC840T-240\/U","price":102.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/RC840T-240-c1-6_7c61663b-56a9-4fb8-b818-09003bdc3081.jpg?v=1785815932"},{"product_id":"standard-opening-smartvalve-intermittent-hot-surface-pilot","title":"Resideo SV9501M2528\/U Standard Opening SmartValve Intermittent Hot Surface Pilot","description":"\u003cp\u003eThe SV9501M2528 is a SmartValve system control from Resideo (Honeywell Home): gas valve and ignition module in one assembly, built for intermittent pilot appliances.\u003c\/p\u003e\u003cp\u003eWhat makes a SmartValve different from a plain gas valve is that the ignition sequence lives inside it. A conventional system needs a separate ignition module wired to the valve; the SmartValve carries the timing, the trial-for-ignition and the flame proving itself, which removes a module, a harness and a set of connections from the appliance.\u003c\/p\u003e\u003cp\u003eThe valve is \u003cstrong\u003estandard opening\u003c\/strong\u003e. Opening rate matters on ignition: too fast on a burner that was designed for a soft light-off gives a hard start, and too slow on one expecting full rate can drop out the flame proving before the burner is established.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGas appliance safety.\u003c\/strong\u003e A gas valve must match the appliance it is fitted to — ignition system, capacity, inlet pressure and gas type. Replacement is work for a licensed gas technician, and the appliance manufacturer's parts list is what decides the correct valve, not the physical fit of the threads. If the replacement does not match, the appliance can fail to light, fail to prove flame, or overfire.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e SV9501M2528\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e SmartValve system control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnition:\u003c\/strong\u003e Intermittent pilot\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpening rate:\u003c\/strong\u003e Standard opening\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping weight:\u003c\/strong\u003e 2.0 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Gas Valves\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351324061799,"sku":"HONE-SV9501M2528\/U","price":431.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/SV9501M-c4-6.jpg?v=1785815944"},{"product_id":"standard-opening-intermittent-pilot-with-comb-air-control","title":"Resideo SV9641M4510\/U Standard Opening Intermittent Pilot with Comb Air Control","description":"\u003cp\u003eThe SV9641M4510 is a SmartValve system control from Resideo (Honeywell Home): gas valve and ignition module in one assembly, built for intermittent pilot appliances.\u003c\/p\u003e\u003cp\u003eWhat makes a SmartValve different from a plain gas valve is that the ignition sequence lives inside it. A conventional system needs a separate ignition module wired to the valve; the SmartValve carries the timing, the trial-for-ignition and the flame proving itself, which removes a module, a harness and a set of connections from the appliance.\u003c\/p\u003e\u003cp\u003eThe valve is \u003cstrong\u003estandard opening\u003c\/strong\u003e. Opening rate matters on ignition: too fast on a burner that was designed for a soft light-off gives a hard start, and too slow on one expecting full rate can drop out the flame proving before the burner is established.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGas appliance safety.\u003c\/strong\u003e A gas valve must match the appliance it is fitted to — ignition system, capacity, inlet pressure and gas type. Replacement is work for a licensed gas technician, and the appliance manufacturer's parts list is what decides the correct valve, not the physical fit of the threads. If the replacement does not match, the appliance can fail to light, fail to prove flame, or overfire.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e SV9641M4510\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e SmartValve system control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnition:\u003c\/strong\u003e Intermittent pilot\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpening rate:\u003c\/strong\u003e Standard opening\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267297684\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Gas Valves\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351324553319,"sku":"HONE-SV9641M4510\/U","price":578.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/SV9641M4510-c5-6.jpg?v=1785815949"},{"product_id":"brush-gold-baseboard-electric-heat-thermostat","title":"Resideo T498B1512\/U Brush Gold Baseboard Electric Heat Thermostat","description":"\u003cp\u003eThe T498B1512 is a line-voltage thermostat from Resideo (Honeywell Home) for electric resistance heat — baseboard, convectors, radiant ceiling or panel heaters.\u003c\/p\u003e\u003cp\u003eLine voltage is the distinction that matters here. A low-voltage thermostat switches a 24 V control circuit and lets a furnace or boiler do the work; a line-voltage thermostat carries the full heater current itself. They are not interchangeable, and a low-voltage stat wired to a baseboard circuit fails immediately.\u003c\/p\u003e\u003cp\u003eMatch the voltage and the pole configuration to the heater circuit, and check the amperage of the heater against the rating of the thermostat. A thermostat sized below the load is the most common cause of a line-voltage stat failing in its first season.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e T498B1512\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Line-voltage thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping weight:\u003c\/strong\u003e 0.5 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Line Voltage Thermostats\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351325110375,"sku":"HONE-T498B1512\/U","price":51.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/T498A1810-c1-6_f6db928c-a5db-40c8-88e7-168e05d0e2f7.jpg?v=1785815967"},{"product_id":"pro-1000-vertical-heat-non-programmable-thermostat","title":"Honeywell Home TH1100DV1000\/U PRO 1000 Vertical Heat Non-Programmable Thermostat","description":"\u003cp\u003eThe Honeywell Home TH1100DV1000\/U is a PRO 1000 wall thermostat. It is rated for heat only. The case is the \u003cstrong\u003evertical\u003c\/strong\u003e version — vertical and the other orientation are electrically the same thermostat in a different body, so pick the one that matches the footprint and the wire opening already in the wall. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNon-programmable.\u003c\/strong\u003e One setpoint, changed by hand. That is the right choice for a rental, a shop, a space on a fixed occupancy, or any job where a schedule would just get overridden. Fewer things to explain at handover, and nothing to reprogram after a power event.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere it sits in the range.\u003c\/strong\u003e Resideo builds these in tiers, and the tier number is the amount of control you get, not the build quality. T1 and PRO 1000 are single-stage and non-programmable — set it and leave it. T3 and PRO 3000 add a digital display and more staging. T4 and PRO 2000 add scheduling. T6 covers multi-stage and heat pump work, with a Smart version that adds Wi-Fi. T10 Pro is the top of the line, with RedLINK and remote room sensing. \u003cstrong\u003ePRO 1000, PRO 2000 and PRO 3000 are the older names for the same tiers\u003c\/strong\u003e as T1, T4 and T3 — if you are matching what came out of the wall, the PRO number and the T number can be the same generation of product under two labels.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order.\u003c\/strong\u003e Match the thermostat to the equipment, not to the room: count the heating and cooling stages the system actually has, and confirm whether it is a heat pump or a conventional system, because the two wire differently at the thermostat. A unit rated for more stages than you have will work; one rated for fewer will not run the equipment you own. If you are replacing a Honeywell Home unit, the part number carries over — Honeywell Home thermostats are made by Resideo, and the legacy numbering is the same.\u003c\/p\u003e\n\u003cp\u003eRelated: \u003ca href=\"\/collections\/non-programmable-thermostats\"\u003eNon-programmable thermostats\u003c\/a\u003e · \u003ca href=\"\/collections\/programmable-thermostats\"\u003eProgrammable thermostats\u003c\/a\u003e · \u003ca href=\"\/collections\/smart-thermostats\"\u003eSmart thermostats\u003c\/a\u003e · \u003ca href=\"\/collections\/resideo\"\u003eAll Resideo\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Honeywell Home\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e TH1100DV1000\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostats\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Weight:\u003c\/strong\u003e 0.5 lb\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":44351325700199,"sku":"HONE-TH1100DV1000\/U","price":45.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TH1100D1001-c2-6.jpg?v=1785815989"},{"product_id":"t1-pro-non-programmable-thermostat","title":"Honeywell Home TH1110D2009\/U T1 Pro Non-programmable Thermostat","description":"\u003cp\u003eThe Honeywell Home TH1110D2009\/U is a T1 Pro wall thermostat. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNon-programmable.\u003c\/strong\u003e One setpoint, changed by hand. That is the right choice for a rental, a shop, a space on a fixed occupancy, or any job where a schedule would just get overridden. Fewer things to explain at handover, and nothing to reprogram after a power event.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere it sits in the range.\u003c\/strong\u003e Resideo builds these in tiers, and the tier number is the amount of control you get, not the build quality. T1 and PRO 1000 are single-stage and non-programmable — set it and leave it. T3 and PRO 3000 add a digital display and more staging. T4 and PRO 2000 add scheduling. T6 covers multi-stage and heat pump work, with a Smart version that adds Wi-Fi. T10 Pro is the top of the line, with RedLINK and remote room sensing. \u003cstrong\u003ePRO 1000, PRO 2000 and PRO 3000 are the older names for the same tiers\u003c\/strong\u003e as T1, T4 and T3 — if you are matching what came out of the wall, the PRO number and the T number can be the same generation of product under two labels.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order.\u003c\/strong\u003e Match the thermostat to the equipment, not to the room: count the heating and cooling stages the system actually has, and confirm whether it is a heat pump or a conventional system, because the two wire differently at the thermostat. A unit rated for more stages than you have will work; one rated for fewer will not run the equipment you own. If you are replacing a Honeywell Home unit, the part number carries over — Honeywell Home thermostats are made by Resideo, and the legacy numbering is the same.\u003c\/p\u003e\n\u003cp\u003eRelated: \u003ca href=\"\/collections\/non-programmable-thermostats\"\u003eNon-programmable thermostats\u003c\/a\u003e · \u003ca href=\"\/collections\/programmable-thermostats\"\u003eProgrammable thermostats\u003c\/a\u003e · \u003ca href=\"\/collections\/smart-thermostats\"\u003eSmart thermostats\u003c\/a\u003e · \u003ca href=\"\/collections\/resideo\"\u003eAll Resideo\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Honeywell Home\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e TH1110D2009\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267344920\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostats\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":44351325732967,"sku":"HONE-TH1110D2009\/U","price":54.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TH1110D2009-c7-6.jpg?v=1785815990"},{"product_id":"t3-pro-non-programmable-thermostat-hone-th3210u2004-u","title":"Honeywell Home T3 Pro Non-Programmable Thermostat TH3210U2004\/U","description":"\u003cp\u003eThe Honeywell Home TH3210U2004\/U is a T3 Pro wall thermostat. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNon-programmable.\u003c\/strong\u003e One setpoint, changed by hand. That is the right choice for a rental, a shop, a space on a fixed occupancy, or any job where a schedule would just get overridden. Fewer things to explain at handover, and nothing to reprogram after a power event.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere it sits in the range.\u003c\/strong\u003e Resideo builds these in tiers, and the tier number is the amount of control you get, not the build quality. T1 and PRO 1000 are single-stage and non-programmable — set it and leave it. T3 and PRO 3000 add a digital display and more staging. T4 and PRO 2000 add scheduling. T6 covers multi-stage and heat pump work, with a Smart version that adds Wi-Fi. T10 Pro is the top of the line, with RedLINK and remote room sensing. \u003cstrong\u003ePRO 1000, PRO 2000 and PRO 3000 are the older names for the same tiers\u003c\/strong\u003e as T1, T4 and T3 — if you are matching what came out of the wall, the PRO number and the T number can be the same generation of product under two labels.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order.\u003c\/strong\u003e Match the thermostat to the equipment, not to the room: count the heating and cooling stages the system actually has, and confirm whether it is a heat pump or a conventional system, because the two wire differently at the thermostat. A unit rated for more stages than you have will work; one rated for fewer will not run the equipment you own. If you are replacing a Honeywell Home unit, the part number carries over — Honeywell Home thermostats are made by Resideo, and the legacy numbering is the same.\u003c\/p\u003e\n\u003cp\u003eRelated: \u003ca href=\"\/collections\/non-programmable-thermostats\"\u003eNon-programmable thermostats\u003c\/a\u003e · \u003ca href=\"\/collections\/programmable-thermostats\"\u003eProgrammable thermostats\u003c\/a\u003e · \u003ca href=\"\/collections\/smart-thermostats\"\u003eSmart thermostats\u003c\/a\u003e · \u003ca href=\"\/collections\/resideo\"\u003eAll Resideo\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Honeywell Home\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e TH3210U2004\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 194159005013\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostats\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":44351326945383,"sku":"HONE-TH3210U2004\/U","price":46.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TH3110U2008-c2-6_47a833d7-732f-4ca4-a97f-d30fade4d09a.jpg?v=1785816010"},{"product_id":"t4-pro-programmable-thermostat-with-stages-up-to-2-heat-1-cool-heat-pumps-up-to-1-heat-1-cool-conventional-systems","title":"Honeywell Home TH4210U2002\/U T4 Pro Programmable Thermostat with stages up to 2 Heat\/1 Cool Heat Pumps; up to 1 Heat\/1 Cool Conventional Systems","description":"\u003cp\u003eThe Honeywell Home TH4210U2002\/U is a T4 Pro wall thermostat. It is rated for up to 2 heat and 1 cool on a heat pump, and up to 1 heat and 1 cool on a conventional system. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProgrammable.\u003c\/strong\u003e Setback on a schedule is where the savings actually come from on a system that runs daily. If the building empties on a predictable pattern, the schedule pays for the difference in price over a non-programmable unit; if it does not, it will not.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere it sits in the range.\u003c\/strong\u003e Resideo builds these in tiers, and the tier number is the amount of control you get, not the build quality. T1 and PRO 1000 are single-stage and non-programmable — set it and leave it. T3 and PRO 3000 add a digital display and more staging. T4 and PRO 2000 add scheduling. T6 covers multi-stage and heat pump work, with a Smart version that adds Wi-Fi. T10 Pro is the top of the line, with RedLINK and remote room sensing. \u003cstrong\u003ePRO 1000, PRO 2000 and PRO 3000 are the older names for the same tiers\u003c\/strong\u003e as T1, T4 and T3 — if you are matching what came out of the wall, the PRO number and the T number can be the same generation of product under two labels.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order.\u003c\/strong\u003e Match the thermostat to the equipment, not to the room: count the heating and cooling stages the system actually has, and confirm whether it is a heat pump or a conventional system, because the two wire differently at the thermostat. A unit rated for more stages than you have will work; one rated for fewer will not run the equipment you own. If you are replacing a Honeywell Home unit, the part number carries over — Honeywell Home thermostats are made by Resideo, and the legacy numbering is the same.\u003c\/p\u003e\n\u003cp\u003eRelated: \u003ca href=\"\/collections\/non-programmable-thermostats\"\u003eNon-programmable thermostats\u003c\/a\u003e · \u003ca href=\"\/collections\/programmable-thermostats\"\u003eProgrammable thermostats\u003c\/a\u003e · \u003ca href=\"\/collections\/smart-thermostats\"\u003eSmart thermostats\u003c\/a\u003e · \u003ca href=\"\/collections\/resideo\"\u003eAll Resideo\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Honeywell Home\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e TH4210U2002\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267187336\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostats\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":44351327010919,"sku":"HONE-TH4210U2002\/U","price":88.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TH4210U2002-c2-6.jpg?v=1788488550"},{"product_id":"focuspro-5000-heating-and-cooling-thermostat-large-display","title":"Honeywell Home TH5110D1022\/U FocusPRO 5000 heating and cooling thermostat large display","description":"\u003cp\u003eThe TH5110D1022 is a non-programmable thermostat from Honeywell Home.\u003c\/p\u003e\u003cp\u003eA non-programmable thermostat holds one setpoint until someone changes it. That is the whole design, and it is the right design more often than the market admits: in a shop, a rental, a spare room or anywhere occupancy has no schedule, a programmable stat gets overridden permanently within a week and then behaves like this one with extra steps.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhere it hangs decides what it reads.\u003c\/strong\u003e A thermostat measures the air touching it and nothing else, so an interior wall about five feet up, out of direct sun, away from supply registers and doorway drafts, and clear of the back of a wall carrying hot water or flue pipe. Most complaints that a stat is “off by three degrees” are placement, not calibration — the stat is reading the truth about a spot nobody lives in.\u003c\/p\u003e\u003cp\u003eThese are also the straightforward answer to the C-wire problem. A smart thermostat needs a common wire to power itself continuously, and in an older house that wire is often not in the bundle — which turns a thermostat swap into a wire pull. A non-programmable stat does not draw a continuous 24 V supply for itself, so the wires already on the wall are usually the wires it needs.\u003c\/p\u003e\u003cp\u003eIf the stat has an adjustable heat anticipator, set it to the current stamped on the primary control rather than leaving it where it arrived. Too low and the burner shuts off early and the room never reaches setpoint; too high and it overshoots and then coasts cold. It is the one adjustment on a stat like this that changes comfort, and the one most often skipped.\u003c\/p\u003e\u003cp\u003eConfirm the system type before ordering — low voltage, line voltage and millivolt thermostats look similar and are not interchangeable.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Honeywell Home\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e TH5110D1022\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Non-programmable thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping weight:\u003c\/strong\u003e 0.8 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostats\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":44351327076455,"sku":"HONE-TH5110D1022\/U","price":124.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TH5110LS-c4-6.jpg?v=1785816012"},{"product_id":"thermostat-alone-for-replacement-only","title":"Honeywell Home TH5320R1002\/U Thermostat alone for replacement only","description":"\u003cp\u003eThe TH5320R1002 is a non-programmable thermostat from Honeywell Home.\u003c\/p\u003e\u003cp\u003eA non-programmable thermostat holds one setpoint until someone changes it. That is the whole design, and it is the right design more often than the market admits: in a shop, a rental, a spare room or anywhere occupancy has no schedule, a programmable stat gets overridden permanently within a week and then behaves like this one with extra steps.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhere it hangs decides what it reads.\u003c\/strong\u003e A thermostat measures the air touching it and nothing else, so an interior wall about five feet up, out of direct sun, away from supply registers and doorway drafts, and clear of the back of a wall carrying hot water or flue pipe. Most complaints that a stat is “off by three degrees” are placement, not calibration — the stat is reading the truth about a spot nobody lives in.\u003c\/p\u003e\u003cp\u003eThese are also the straightforward answer to the C-wire problem. A smart thermostat needs a common wire to power itself continuously, and in an older house that wire is often not in the bundle — which turns a thermostat swap into a wire pull. A non-programmable stat does not draw a continuous 24 V supply for itself, so the wires already on the wall are usually the wires it needs.\u003c\/p\u003e\u003cp\u003eIf the stat has an adjustable heat anticipator, set it to the current stamped on the primary control rather than leaving it where it arrived. Too low and the burner shuts off early and the room never reaches setpoint; too high and it overshoots and then coasts cold. It is the one adjustment on a stat like this that changes comfort, and the one most often skipped.\u003c\/p\u003e\u003cp\u003eConfirm the system type before ordering — low voltage, line voltage and millivolt thermostats look similar and are not interchangeable.\u003c\/p\u003e\u003cp\u003eThis is the thermostat on its own, for replacing a unit on a system that is already commissioned. For a new install, the \u003ca href=\"\/products\/redlink-equipment-interface-module-for-3-heat-2-cool-pump-system\"\u003eYTH5320R1000 FocusPRO kit for TrueZONE panels\u003c\/a\u003e is the one to order.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Honeywell Home\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e TH5320R1002\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Non-programmable thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267329392\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostats\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":44351327109223,"sku":"HONE-TH5320R1002\/U","price":223.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TH5320R1002-c1-6.jpg?v=1785816013"},{"product_id":"t6-pro-hydronic-programmable-thermostat","title":"Honeywell Home TH6100AF2004\/U T6 Pro Hydronic Programmable Thermostat","description":"\u003cp\u003eThe Honeywell Home TH6100AF2004\/U is a T6 Pro Hydronic wall thermostat. It is rated for hydronic. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProgrammable.\u003c\/strong\u003e Setback on a schedule is where the savings actually come from on a system that runs daily. If the building empties on a predictable pattern, the schedule pays for the difference in price over a non-programmable unit; if it does not, it will not.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere it sits in the range.\u003c\/strong\u003e Resideo builds these in tiers, and the tier number is the amount of control you get, not the build quality. T1 and PRO 1000 are single-stage and non-programmable — set it and leave it. T3 and PRO 3000 add a digital display and more staging. T4 and PRO 2000 add scheduling. T6 covers multi-stage and heat pump work, with a Smart version that adds Wi-Fi. T10 Pro is the top of the line, with RedLINK and remote room sensing. \u003cstrong\u003ePRO 1000, PRO 2000 and PRO 3000 are the older names for the same tiers\u003c\/strong\u003e as T1, T4 and T3 — if you are matching what came out of the wall, the PRO number and the T number can be the same generation of product under two labels.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order.\u003c\/strong\u003e Match the thermostat to the equipment, not to the room: count the heating and cooling stages the system actually has, and confirm whether it is a heat pump or a conventional system, because the two wire differently at the thermostat. A unit rated for more stages than you have will work; one rated for fewer will not run the equipment you own. If you are replacing a Honeywell Home unit, the part number carries over — Honeywell Home thermostats are made by Resideo, and the legacy numbering is the same.\u003c\/p\u003e\n\u003cp\u003eRelated: \u003ca href=\"\/collections\/non-programmable-thermostats\"\u003eNon-programmable thermostats\u003c\/a\u003e · \u003ca href=\"\/collections\/programmable-thermostats\"\u003eProgrammable thermostats\u003c\/a\u003e · \u003ca href=\"\/collections\/smart-thermostats\"\u003eSmart thermostats\u003c\/a\u003e · \u003ca href=\"\/collections\/resideo\"\u003eAll Resideo\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Honeywell Home\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e TH6100AF2004\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267735735\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostats\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Weight:\u003c\/strong\u003e 0.811 lb\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":44351327141991,"sku":"HONE-TH6100AF2004\/U","price":155.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TH6100AF2004-c3-6.jpg?v=1785816013"},{"product_id":"t6-pro-programmable-thermostat-up-to-2-heat-1-cool","title":"Honeywell Home TH6210U2001\/U T6 Pro Programmable Thermostat up to 2 Heat\/1 Cool","description":"\u003cp\u003eThe Honeywell Home TH6210U2001\/U is a T6 Pro wall thermostat. It is rated for up to 2 heat and 1 cool. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProgrammable.\u003c\/strong\u003e Setback on a schedule is where the savings actually come from on a system that runs daily. If the building empties on a predictable pattern, the schedule pays for the difference in price over a non-programmable unit; if it does not, it will not.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere it sits in the range.\u003c\/strong\u003e Resideo builds these in tiers, and the tier number is the amount of control you get, not the build quality. T1 and PRO 1000 are single-stage and non-programmable — set it and leave it. T3 and PRO 3000 add a digital display and more staging. T4 and PRO 2000 add scheduling. T6 covers multi-stage and heat pump work, with a Smart version that adds Wi-Fi. T10 Pro is the top of the line, with RedLINK and remote room sensing. \u003cstrong\u003ePRO 1000, PRO 2000 and PRO 3000 are the older names for the same tiers\u003c\/strong\u003e as T1, T4 and T3 — if you are matching what came out of the wall, the PRO number and the T number can be the same generation of product under two labels.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order.\u003c\/strong\u003e Match the thermostat to the equipment, not to the room: count the heating and cooling stages the system actually has, and confirm whether it is a heat pump or a conventional system, because the two wire differently at the thermostat. A unit rated for more stages than you have will work; one rated for fewer will not run the equipment you own. If you are replacing a Honeywell Home unit, the part number carries over — Honeywell Home thermostats are made by Resideo, and the legacy numbering is the same.\u003c\/p\u003e\n\u003cp\u003eRelated: \u003ca href=\"\/collections\/non-programmable-thermostats\"\u003eNon-programmable thermostats\u003c\/a\u003e · \u003ca href=\"\/collections\/programmable-thermostats\"\u003eProgrammable thermostats\u003c\/a\u003e · \u003ca href=\"\/collections\/smart-thermostats\"\u003eSmart thermostats\u003c\/a\u003e · \u003ca href=\"\/collections\/resideo\"\u003eAll Resideo\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Honeywell Home\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e TH6210U2001\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267554404\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostats\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Weight:\u003c\/strong\u003e 0.811 lb\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":44351327207527,"sku":"HONE-TH6210U2001\/U","price":102.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TH6210U2001_TH6220U2000_TH6320U2008-c4-6.jpg?v=1785816016"},{"product_id":"focuspro-6000-5-1-1-programmable-thermostat","title":"Honeywell Home TH6220D1028\/U FocusPRO 6000 5-1-1 Programmable Thermostat","description":"\u003cp\u003eThe Honeywell Home TH6220D1028\/U is a FocusPRO 6000 wall thermostat. It is rated for 5-1-1 day programming. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProgrammable.\u003c\/strong\u003e Setback on a schedule is where the savings actually come from on a system that runs daily. If the building empties on a predictable pattern, the schedule pays for the difference in price over a non-programmable unit; if it does not, it will not.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere it sits in the range.\u003c\/strong\u003e Resideo builds these in tiers, and the tier number is the amount of control you get, not the build quality. T1 and PRO 1000 are single-stage and non-programmable — set it and leave it. T3 and PRO 3000 add a digital display and more staging. T4 and PRO 2000 add scheduling. T6 covers multi-stage and heat pump work, with a Smart version that adds Wi-Fi. T10 Pro is the top of the line, with RedLINK and remote room sensing. \u003cstrong\u003ePRO 1000, PRO 2000 and PRO 3000 are the older names for the same tiers\u003c\/strong\u003e as T1, T4 and T3 — if you are matching what came out of the wall, the PRO number and the T number can be the same generation of product under two labels.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order.\u003c\/strong\u003e Match the thermostat to the equipment, not to the room: count the heating and cooling stages the system actually has, and confirm whether it is a heat pump or a conventional system, because the two wire differently at the thermostat. A unit rated for more stages than you have will work; one rated for fewer will not run the equipment you own. If you are replacing a Honeywell Home unit, the part number carries over — Honeywell Home thermostats are made by Resideo, and the legacy numbering is the same.\u003c\/p\u003e\n\u003cp\u003eRelated: \u003ca href=\"\/collections\/non-programmable-thermostats\"\u003eNon-programmable thermostats\u003c\/a\u003e · \u003ca href=\"\/collections\/programmable-thermostats\"\u003eProgrammable thermostats\u003c\/a\u003e · \u003ca href=\"\/collections\/smart-thermostats\"\u003eSmart thermostats\u003c\/a\u003e · \u003ca href=\"\/collections\/resideo\"\u003eAll Resideo\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Honeywell Home\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e TH6220D1028\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostats\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":44351327240295,"sku":"HONE-TH6220D1028\/U","price":167.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TH6110D1005-c3-6_208b3640-a4e7-4b1a-8e97-cbd75469c525.jpg?v=1785816017"},{"product_id":"t6-pro-programmable-thermostat-up-to-2-heat-2-cool","title":"Honeywell Home TH6220U2000\/U T6 Pro Programmable Thermostat up to 2 Heat\/2 Cool","description":"\u003cp\u003eThe Honeywell Home TH6220U2000\/U is a T6 Pro wall thermostat. It is rated for up to 2 heat and 2 cool. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProgrammable.\u003c\/strong\u003e Setback on a schedule is where the savings actually come from on a system that runs daily. If the building empties on a predictable pattern, the schedule pays for the difference in price over a non-programmable unit; if it does not, it will not.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere it sits in the range.\u003c\/strong\u003e Resideo builds these in tiers, and the tier number is the amount of control you get, not the build quality. T1 and PRO 1000 are single-stage and non-programmable — set it and leave it. T3 and PRO 3000 add a digital display and more staging. T4 and PRO 2000 add scheduling. T6 covers multi-stage and heat pump work, with a Smart version that adds Wi-Fi. T10 Pro is the top of the line, with RedLINK and remote room sensing. \u003cstrong\u003ePRO 1000, PRO 2000 and PRO 3000 are the older names for the same tiers\u003c\/strong\u003e as T1, T4 and T3 — if you are matching what came out of the wall, the PRO number and the T number can be the same generation of product under two labels.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order.\u003c\/strong\u003e Match the thermostat to the equipment, not to the room: count the heating and cooling stages the system actually has, and confirm whether it is a heat pump or a conventional system, because the two wire differently at the thermostat. A unit rated for more stages than you have will work; one rated for fewer will not run the equipment you own. If you are replacing a Honeywell Home unit, the part number carries over — Honeywell Home thermostats are made by Resideo, and the legacy numbering is the same.\u003c\/p\u003e\n\u003cp\u003eRelated: \u003ca href=\"\/collections\/non-programmable-thermostats\"\u003eNon-programmable thermostats\u003c\/a\u003e · \u003ca href=\"\/collections\/programmable-thermostats\"\u003eProgrammable thermostats\u003c\/a\u003e · \u003ca href=\"\/collections\/smart-thermostats\"\u003eSmart thermostats\u003c\/a\u003e · \u003ca href=\"\/collections\/resideo\"\u003eAll Resideo\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Honeywell Home\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e TH6220U2000\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267569507\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostats\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Weight:\u003c\/strong\u003e 0.811 lb\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":44351327273063,"sku":"HONE-TH6220U2000\/U","price":138.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TH6210U2001_TH6220U2000_TH6320U2008-c4-6_ad8f6e01-de71-495f-9da2-7f8a27cadbaf.jpg?v=1785816018"},{"product_id":"t6-pro-smart-thermostat-multi-stage-2-heat-2-cool","title":"Honeywell Home TH6220WF2006\/U T6 Pro Smart Thermostat Multi-Stage 2 Heat\/2 Cool","description":"\u003cp\u003eThe Resideo TH6220WF2006\/U is a T6 Pro Smart smart Wi-Fi wall thermostat. It is rated for multi-stage, up to 2 heat and 2 cool. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSmart and connected.\u003c\/strong\u003e Wi-Fi gives remote setpoint control and alerting from a phone, which matters most on a property you do not stand in every day — a rental, a second home, a small commercial space. It also means the thermostat needs a reliable common wire and a network that stays up.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere it sits in the range.\u003c\/strong\u003e Resideo builds these in tiers, and the tier number is the amount of control you get, not the build quality. T1 and PRO 1000 are single-stage and non-programmable — set it and leave it. T3 and PRO 3000 add a digital display and more staging. T4 and PRO 2000 add scheduling. T6 covers multi-stage and heat pump work, with a Smart version that adds Wi-Fi. T10 Pro is the top of the line, with RedLINK and remote room sensing. \u003cstrong\u003ePRO 1000, PRO 2000 and PRO 3000 are the older names for the same tiers\u003c\/strong\u003e as T1, T4 and T3 — if you are matching what came out of the wall, the PRO number and the T number can be the same generation of product under two labels.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order.\u003c\/strong\u003e Match the thermostat to the equipment, not to the room: count the heating and cooling stages the system actually has, and confirm whether it is a heat pump or a conventional system, because the two wire differently at the thermostat. A unit rated for more stages than you have will work; one rated for fewer will not run the equipment you own. If you are replacing a Honeywell Home unit, the part number carries over — Honeywell Home thermostats are made by Resideo, and the legacy numbering is the same.\u003c\/p\u003e\n\u003cp\u003eRelated: \u003ca href=\"\/collections\/non-programmable-thermostats\"\u003eNon-programmable thermostats\u003c\/a\u003e · \u003ca href=\"\/collections\/programmable-thermostats\"\u003eProgrammable thermostats\u003c\/a\u003e · \u003ca href=\"\/collections\/smart-thermostats\"\u003eSmart thermostats\u003c\/a\u003e · \u003ca href=\"\/collections\/resideo\"\u003eAll Resideo\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Resideo\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e TH6220WF2006\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267183925\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostats\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":44351327305831,"sku":"HONE-TH6220WF2006\/U","price":190.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TH6220WF2006-c3-6.jpg?v=1785816020"},{"product_id":"focuspro-6000-5-1-1-programmable-wireless-thermostat","title":"Honeywell Home TH6320R1004\/U FocusPRO® 6000 5-1-1 programmable wireless thermostat","description":"\u003cp\u003eThe TH6320R1004 is a FocusPRO 6000 programmable thermostat from Resideo (Honeywell Home), 5-1-1 scheduling, wireless.\u003c\/p\u003e\u003cp\u003eA programmable thermostat pays for itself on the hours nobody is home. Setting back eight degrees for the working day and again overnight is the single largest saving available on an existing system, and it only happens reliably when the schedule does it instead of a person.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e5-1-1\u003c\/strong\u003e means weekdays on one schedule and Saturday and Sunday each on their own. That is the split that matches how houses are actually occupied — a 5-2 stat forces the weekend into one pattern and gets overridden the first Saturday somebody sleeps in.\u003c\/p\u003e\u003cp\u003eThe failure mode of a programmable stat is being left on permanent hold. If the schedule is going to be overridden within a week, a non-programmable stat does the same job with fewer buttons — and that is an honest recommendation, not a smaller sale.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e TH6320R1004\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e FocusPRO 6000 programmable thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSchedule:\u003c\/strong\u003e 5-1-1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStages:\u003c\/strong\u003e Up to 3 Heat \/ 2 Cool Heat Pump or Up to 2 Heat \/ 2 Cool Conventional\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Gas, oil, electric, heat pump, forced warm air, hot water, steam or gravity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267329385\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostats\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":44351327338599,"sku":"HONE-TH6320R1004\/U","price":265.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TH6320R1004-c5-6.jpg?v=1785816021"}],"url":"https:\/\/www.thehousesupplier.com\/collections\/featured.oembed?page=3","provider":"The House Supplier","version":"1.0","type":"link"}