{"title":"Thermostats","description":"\u003cp\u003e103 thermostats and thermostat accessories from Resideo, tekmar Control Systems, Southwire and DiversiTech. Resideo is the company that builds and sells the \u003cstrong\u003eHoneywell Home\u003c\/strong\u003e line, so the thermostat marked TH6220WF on the invoice is the one sold at retail as the Honeywell Home T6 Pro — same part, two names. Families stocked here: PRO 1000, PRO 2000, PRO 3000 and CommercialPRO 7000; the T-series from T1 Pro through T10 Pro; FocusPRO 5000 and 6000; VisionPRO 8000; WiFi 9000; and Prestige IAQ.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eVoltage decides the thermostat before anything else does.\u003c\/strong\u003e A low-voltage thermostat runs on 24V through the equipment transformer and is what gas furnaces, heat pumps, boilers and air handlers use. A line-voltage thermostat switches 120V or 240V directly and is for electric baseboard, electric radiant panels and fan-forced wall heaters. They are not interchangeable. Wiring a 24V thermostat to a 240V baseboard circuit is a fire risk, not a malfunction, and the mistake is easy to make because the two look alike on the wall.\u003c\/p\u003e\u003cp\u003eFifteen line voltage thermostats are stocked for electric heat, single-pole and double-pole, manual and 7-day programmable. Single-pole leaves one leg energized when the dial is off; double-pole breaks both. If the heater has to be fully dead at the thermostat, it has to be double-pole.\u003c\/p\u003e\u003cp\u003eMillivolt is the third case and it catches people out. A standing-pilot wall heater or gas fireplace generates its own 750 mV from the thermopile and has no transformer at all; it needs a millivolt-rated thermostat, and a digital 24V unit will simply not close the circuit. Heat-only millivolt models are stocked for exactly this.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe C-wire is the most common reason a Wi-Fi thermostat replacement stalls.\u003c\/strong\u003e Older homes were wired with four conductors and no common, and a smart thermostat needs continuous 24V to run its display and radio. Either pull new cable or add an adapter — the Resideo WireSaver THP9045A1023 puts the common back at the equipment end without opening walls.\u003c\/p\u003e\u003cp\u003eResideo splits connected control two ways and they solve different problems. \u003cstrong\u003eWi-Fi\u003c\/strong\u003e models talk to the house router and the phone app: T6 Pro Smart, the Wi-Fi VisionPRO 8000, and the WiFi 9000 colour touchscreen. \u003cstrong\u003eRedLINK\u003c\/strong\u003e is Resideo’s own 900 MHz link between the thermostat and its own accessories — wireless indoor and outdoor sensors, equipment interface modules, remote modules and the TrueZONE adapter — and it works where there is no reliable Wi-Fi at the equipment. Eight RedLINK modules and sensors are stocked. The T10 Pro and Prestige IAQ kits use both.\u003c\/p\u003e\u003cp\u003eFive Southwire thermostat wire runs are stocked in 18\/2, 18\/4, 18\/5 and 18\/6, in 250 ft and 500 ft. Count the conductors against the system before ordering: a straight heat-cool job lives on four, a heat pump with auxiliary heat and a common wants six, and pulling the smaller roll is how a job ends up needing a C-wire adapter later.\u003c\/p\u003e\u003cp\u003eThe range breaks down as: non-programmable thermostats (27), thermostat accessories (19), programmable thermostats (17), line voltage thermostats (15), smart and Wi-Fi thermostats (9), thermostat wire (8), RedLINK modules and sensors (8). Accessories cover cover plates for the PRO, FocusPRO, T-series and Prestige, thermostat guards and keys, remote indoor and outdoor sensors, and a 120V transformer.\u003c\/p\u003e\u003cp\u003eRelated: the full \u003ca href=\"\/collections\/resideo\"\u003eResideo (Honeywell Home)\u003c\/a\u003e catalog, \u003ca href=\"\/collections\/smart-home\"\u003econnected home equipment\u003c\/a\u003e, \u003ca href=\"\/collections\/thermostatic-radiator-controls-valves\"\u003ethermostatic radiator valves\u003c\/a\u003e for room-by-room hydronic control, and \u003ca href=\"\/collections\/heating\"\u003eheating controls\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"5-2-programmable-mon-programmable-thermostat-2h-1c-hp-and-conventional","title":"DiversiTech 675-P521U 5\/2 Programmable\/Mon-Programmable Thermostat 2H\/1C HP and Conventional","description":"\u003cp\u003eThe 5\/2 Programmable\/Mon-Programmable Thermostat 2H\/1C HP and Conventional by DiversiTech is part of our programmable thermostats selection.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e DiversiTech\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 675-P521U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Programmable Thermostats\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DiversiTech","offers":[{"title":"Default Title","offer_id":44350648713319,"sku":"DIVE-675-P521U","price":126.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/675-P521U_360image_01.jpg?v=1785805453"},{"product_id":"thermostat-7-day-deluxe-universal-2-h-1c-programmable-non-programmable-touchscreen","title":"DiversiTech 675-P721UT Thermostat 7 Day Deluxe Universal 2 H \/1C Programmable\/Non-Programmable Touchscreen","description":"\u003cp\u003eThe Thermostat 7 Day Deluxe Universal 2 H \/1C Programmable\/Non-Programmable Touchscreen by DiversiTech is part of our non-programmable thermostats selection.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e DiversiTech\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 675-P721UT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Non-Programmable Thermostats\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DiversiTech","offers":[{"title":"Default Title","offer_id":44350648746087,"sku":"DIVE-675-P721UT","price":266.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/675-P721UT_360image_01.png?v=1785805454"},{"product_id":"packard-plenum-thermostat","title":"DiversiTech PHL501 Packard Plenum Thermostat","description":"\u003cp\u003eThe Packard Plenum Thermostat by DiversiTech is part of our non-programmable thermostats selection, in stock and ready to ship from The House Supplier.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e DiversiTech\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e PHL501\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Non-Programmable Thermostats\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DiversiTech","offers":[{"title":"Default Title","offer_id":44350659854439,"sku":"DIVE-PHL501","price":35.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TheHouseSupplier_28f175f6-8ffd-4d2d-bfca-9e37e84ea780.png?v=1785982124"},{"product_id":"replacement-keys-set-of-2-for-tg509-tg510-tg511-and-tg512","title":"Resideo 191990A\/U Replacement Keys (set of 2) for TG509, TG510, TG511 and TG512","description":"\u003cp\u003eThe 191990A is a set of two replacement keys from Resideo (Honeywell Home), for TG509, TG510, TG511 and TG512 thermostat guards.\u003c\/p\u003e\u003cp\u003eA locked guard with no key is a thermostat nobody can adjust, including the person who is supposed to. These are the spares that stop that becoming a service call with a screwdriver.\u003c\/p\u003e\u003cp\u003eFits the whole TG5 series, so one part number covers the guards already in the building.\u003c\/p\u003e\u003cp\u003eGoes with: \u003ca href=\"\/products\/medium-universal-thermostat-guard-cover-clear\"\u003eTG511A1000\u003c\/a\u003e, \u003ca href=\"\/products\/medium-universal-thermostat-guard-cover-beige\"\u003eTG511D1004\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 191990A\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Replacement keys (set of 2)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e TG509, TG510, TG511, TG512\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267015196\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostat Accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351297978471,"sku":"HONE-191990A\/U","price":10.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/191990A-c1-6.jpg?v=1785815526"},{"product_id":"cover-plate-7-7-8-x-5-1-2-in-premier-white","title":"Resideo 32003796-001\/U Cover Plate, 7-7\/8 x 5-1\/2 in, Premier White®","description":"\u003cp\u003eThe 32003796-001 is a thermostat cover plate from Resideo (Honeywell Home), 7-7\/8 x 5-1\/2 in.\u003c\/p\u003e\u003cp\u003eCover plates exist because the old thermostat was bigger. Replacing a wide mercury stat with a modern one leaves the paint line, the anchor holes and sometimes the whole opening on show, and the plate covers all of it in one piece.\u003c\/p\u003e\u003cp\u003eMatch the plate to the \u003cstrong\u003enew\u003c\/strong\u003e thermostat, not to the old hole. Plates are cut for a specific series; one that does not register with the stat’s base leaves a gap on one side.\u003c\/p\u003e\u003cp\u003eWorth measuring before ordering rather than after. The dimension that matters is the painted or papered outline the old stat left, not the thermostat that made it — twenty years of sun around a cover is a bigger rectangle than the cover was.\u003c\/p\u003e\u003cp\u003eThe alternative is patching and painting a wall to match a color that has aged. On a rental turnover or a multi-unit retrofit the plate is the cheaper answer by a wide margin, and it is done in the same visit.\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 32003796-001\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermostat cover plate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 7-7\/8 x 5-1\/2 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostat Accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351298338919,"sku":"HONE-32003796-001\/U","price":17.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/32003796-001-c1-6.jpg?v=1785815533"},{"product_id":"decorative-cover-plate-for-t8775-t87k-n","title":"Resideo 50000066-001\/U Decorative Cover Plate for T8775, T87K,N","description":"\u003cp\u003eThe 50000066-001 is a thermostat cover plate from Resideo (Honeywell Home).\u003c\/p\u003e\u003cp\u003eCover plates exist because the old thermostat was bigger. Replacing a wide mercury stat with a modern one leaves the paint line, the anchor holes and sometimes the whole opening on show, and the plate covers all of it in one piece.\u003c\/p\u003e\u003cp\u003eMatch the plate to the \u003cstrong\u003enew\u003c\/strong\u003e thermostat, not to the old hole. Plates are cut for a specific series; one that does not register with the stat’s base leaves a gap on one side.\u003c\/p\u003e\u003cp\u003eWorth measuring before ordering rather than after. The dimension that matters is the painted or papered outline the old stat left, not the thermostat that made it — twenty years of sun around a cover is a bigger rectangle than the cover was.\u003c\/p\u003e\u003cp\u003eThe alternative is patching and painting a wall to match a color that has aged. On a rental turnover or a multi-unit retrofit the plate is the cheaper answer by a wide margin, and it is done in the same visit.\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 50000066-001\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermostat cover plate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267251396\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostat Accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351300468839,"sku":"HONE-50000066-001\/U","price":20.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/50000066-001-c1-6.jpg?v=1785815556"},{"product_id":"cover-plate-assembly-for-focuspro-th5110-coverplates-bracket-for-j-boxes-mounting-hardware","title":"Resideo 50001137-001\/U Cover Plate Assembly for FocusPRO TH5110, coverplates, bracket for j-boxes, mounting hardware","description":"\u003cp\u003eThe 50001137-001 is a thermostat cover plate from Resideo (Honeywell Home).\u003c\/p\u003e\u003cp\u003eCover plates exist because the old thermostat was bigger. Replacing a wide mercury stat with a modern one leaves the paint line, the anchor holes and sometimes the whole opening on show, and the plate covers all of it in one piece.\u003c\/p\u003e\u003cp\u003eMatch the plate to the \u003cstrong\u003enew\u003c\/strong\u003e thermostat, not to the old hole. Plates are cut for a specific series; one that does not register with the stat’s base leaves a gap on one side.\u003c\/p\u003e\u003cp\u003eWorth measuring before ordering rather than after. The dimension that matters is the painted or papered outline the old stat left, not the thermostat that made it — twenty years of sun around a cover is a bigger rectangle than the cover was.\u003c\/p\u003e\u003cp\u003eThe alternative is patching and painting a wall to match a color that has aged. On a rental turnover or a multi-unit retrofit the plate is the cheaper answer by a wide margin, and it is done in the same visit.\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 50001137-001\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermostat cover plate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267258364\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostat Accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351300599911,"sku":"HONE-50001137-001\/U","price":23.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/50001137-001-c4-6.jpg?v=1785815560"},{"product_id":"cover-plate-assy-focuspro-and-pro","title":"Resideo 50002883-001\/U Cover Plate Assy, FocusPRO and PRO","description":"\u003cp\u003eThe 50002883-001 is a thermostat cover plate from Resideo (Honeywell Home).\u003c\/p\u003e\u003cp\u003eCover plates exist because the old thermostat was bigger. Replacing a wide mercury stat with a modern one leaves the paint line, the anchor holes and sometimes the whole opening on show, and the plate covers all of it in one piece.\u003c\/p\u003e\u003cp\u003eMatch the plate to the \u003cstrong\u003enew\u003c\/strong\u003e thermostat, not to the old hole. Plates are cut for a specific series; one that does not register with the stat’s base leaves a gap on one side.\u003c\/p\u003e\u003cp\u003eWorth measuring before ordering rather than after. The dimension that matters is the painted or papered outline the old stat left, not the thermostat that made it — twenty years of sun around a cover is a bigger rectangle than the cover was.\u003c\/p\u003e\u003cp\u003eThe alternative is patching and painting a wall to match a color that has aged. On a rental turnover or a multi-unit retrofit the plate is the cheaper answer by a wide margin, and it is done in the same visit.\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 50002883-001\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermostat cover plate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping weight:\u003c\/strong\u003e 0.25 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostat Accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351300632679,"sku":"HONE-50002883-001\/U","price":22.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/50002883-001-c1-6.jpg?v=1785815561"},{"product_id":"premier-white-cover-plate-assembly-with-4-3-4-in-x-4-3-4-in-coverplate","title":"Resideo 50005625-001\/U Premier white® Cover Plate Assembly with 4 3\/4 in x 4 3\/4 in Coverplate","description":"\u003cp\u003eThe 50005625-001 is a thermostat cover plate from Resideo (Honeywell Home).\u003c\/p\u003e\u003cp\u003eCover plates exist because the old thermostat was bigger. Replacing a wide mercury stat with a modern one leaves the paint line, the anchor holes and sometimes the whole opening on show, and the plate covers all of it in one piece.\u003c\/p\u003e\u003cp\u003eMatch the plate to the \u003cstrong\u003enew\u003c\/strong\u003e thermostat, not to the old hole. Plates are cut for a specific series; one that does not register with the stat’s base leaves a gap on one side.\u003c\/p\u003e\u003cp\u003eWorth measuring before ordering rather than after. The dimension that matters is the painted or papered outline the old stat left, not the thermostat that made it — twenty years of sun around a cover is a bigger rectangle than the cover was.\u003c\/p\u003e\u003cp\u003eThe alternative is patching and painting a wall to match a color that has aged. On a rental turnover or a multi-unit retrofit the plate is the cheaper answer by a wide margin, and it is done in the same visit.\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 50005625-001\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermostat cover plate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267261265\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostat Accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351300665447,"sku":"HONE-50005625-001\/U","price":8.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/50005625-001-c1-6.jpg?v=1785815562"},{"product_id":"range-stop-assembly-with-range-stops-for-degree-f-and-c","title":"Resideo 50010944-001\/U Range stop assembly with range stops for degree F and C","description":"\u003cp\u003eThe 50010944-001 is a range stop assembly from Resideo (Honeywell Home), with stops for both Fahrenheit and Celsius.\u003c\/p\u003e\u003cp\u003eRange stops limit how far the setpoint can travel without locking the thermostat entirely. The occupant keeps a few degrees of adjustment; the building keeps its energy budget. It is the middle ground between a stat anyone can set to 85 and a guard nobody can open.\u003c\/p\u003e\u003cp\u003eThe practical case is a building where complaints and energy cost pull in opposite directions — a rental, an office floor, a common area. A locked guard generates calls to the manager; an unlimited stat generates a bill. Stops end both arguments without either.\u003c\/p\u003e\u003cp\u003eStops for both scales are included, so the same assembly works on a thermostat set to Fahrenheit or Celsius rather than committing the building to one.\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 50010944-001\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Range stop assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScale:\u003c\/strong\u003e Fahrenheit and Celsius\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267266949\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostat Accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351300698215,"sku":"HONE-50010944-001\/U","price":10.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/50010944-c1-6.jpg?v=1785815563"},{"product_id":"cover-plate-for-pro-th1000-and-pro-th2000-series-5-3-4-x-7-3-8-in-premier-white","title":"Resideo 50022893-001\/U Cover Plate for PRO TH1000 and PRO TH2000 Series, 5-3\/4 x 7-3\/8 in , Premier White®","description":"\u003cp\u003eThe 50022893-001 is a thermostat cover plate from Resideo (Honeywell Home), 5-3\/4 x 7-3\/8 in.\u003c\/p\u003e\u003cp\u003eCover plates exist because the old thermostat was bigger. Replacing a wide mercury stat with a modern one leaves the paint line, the anchor holes and sometimes the whole opening on show, and the plate covers all of it in one piece.\u003c\/p\u003e\u003cp\u003eMatch the plate to the \u003cstrong\u003enew\u003c\/strong\u003e thermostat, not to the old hole. Plates are cut for a specific series; one that does not register with the stat’s base leaves a gap on one side.\u003c\/p\u003e\u003cp\u003eWorth measuring before ordering rather than after. The dimension that matters is the painted or papered outline the old stat left, not the thermostat that made it — twenty years of sun around a cover is a bigger rectangle than the cover was.\u003c\/p\u003e\u003cp\u003eThe alternative is patching and painting a wall to match a color that has aged. On a rental turnover or a multi-unit retrofit the plate is the cheaper answer by a wide margin, and it is done in the same visit.\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 50022893-001\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermostat cover plate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 5-3\/4 x 7-3\/8 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostat Accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351300730983,"sku":"HONE-50022893-001\/U","price":10.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/50022893-1-6.jpg?v=1785815564"},{"product_id":"aube-ac112-flexible-underfloor-sensor","title":"Resideo AC112-01\/U Aube AC112 Flexible Underfloor Sensor","description":"\u003cp\u003eThe AC112-01 is a flexible underfloor sensor from Resideo (Honeywell Home), for Aube AC112 controls.\u003c\/p\u003e\u003cp\u003eElectric floor heating is controlled by floor temperature, not air temperature. The room can be perfectly comfortable while the floor is either cold underfoot or hot enough to damage what is on top of it, and only a sensor in the slab knows which.\u003c\/p\u003e\u003cp\u003eThe sensor goes in a conduit in the pour, not buried loose. That is what makes it replaceable later, and the sensor is the part of a floor heating system most likely to need replacing.\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 AC112-01\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Flexible underfloor sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUsed with:\u003c\/strong\u003e Aube AC112\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 775264112171\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostat Accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351301156967,"sku":"HONE-AC112-01\/U","price":17.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/AC112-01-c1-6.jpg?v=1785815577"},{"product_id":"c7089r1013-redlink-outdoor-temperature-and-humidity-sensor","title":"Resideo 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":"Resideo","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":"Resideo C7089U1006\/U C7089U1006 Remote Outdoor Temperature Sensor","description":"\u003cp\u003eThe C7089U1006 is a remote outdoor temperature sensor from Resideo (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 Resideo (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":"Resideo","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":"Resideo 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. 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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 Resideo (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":"Resideo","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":"Resideo 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. 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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\u003eThe remote module sits at the equipment and switches it, taking its orders over RedLINK. 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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 Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e T812A1010\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Non-programmable thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStages:\u003c\/strong\u003e Heat-only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267233743\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping weight:\u003c\/strong\u003e 0.3 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostats\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351325208679,"sku":"HONE-T812A1010\/U","price":26.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TheHouseSupplier_1f837c57-1143-403d-ae62-fc7ce3afa01d.png?v=1785982056"},{"product_id":"1-heat-1-cool-stage-thermostat-for-24-vac-heating-and-cooling","title":"Resideo T812C1000\/U 1 Heat\/1 Cool stage thermostat for 24 Vac heating and cooling","description":"\u003cp\u003eThe T812C1000 is a non-programmable thermostat from Resideo (Honeywell Home), 1 heat \/ 1 cool.\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 Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e T812C1000\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Non-programmable thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStages:\u003c\/strong\u003e 1 heat \/ 1 cool\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267233767\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostats\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351325241447,"sku":"HONE-T812C1000\/U","price":26.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/T812C1000-c1-6.jpg?v=1785815971"},{"product_id":"heat-only-thermostat-45-95-f","title":"Resideo T822K1000\/U Heat Only Thermostat 45-95 F","description":"\u003cp\u003eThe T822K1000 is a non-programmable thermostat from Resideo (Honeywell Home), heat-only, 45–95 °F range.\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\u003eHeat-only means there is no cooling changeover and no fan switch to get into the wrong position. On a boiler or a furnace with no air conditioning, that is one less thing for a tenant to set wrong.\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 Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e T822K1000\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Non-programmable thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStages:\u003c\/strong\u003e Heat-only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature range:\u003c\/strong\u003e 45–95 °F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267271318\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostats\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351325306983,"sku":"HONE-T822K1000\/U","price":44.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/T822K1000-c3-6.jpg?v=1785815972"},{"product_id":"heat-only-thermostat-45-95-f-dual-scale-fahrenheit-and-celsius","title":"Resideo T822L1000\/U Heat Only Thermostat - 45-95 F Dual Scale Fahrenheit and Celsius","description":"\u003cp\u003eThe T822L1000 is a non-programmable thermostat from Resideo (Honeywell Home), heat-only, 45–95 °F range.\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\u003eHeat-only means there is no cooling changeover and no fan switch to get into the wrong position. On a boiler or a furnace with no air conditioning, that is one less thing for a tenant to set wrong.\u003c\/p\u003e\u003cp\u003eThe dial is marked in both \u003cstrong\u003eFahrenheit and Celsius\u003c\/strong\u003e.\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. 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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\u003eThis is a millivolt thermostat.\u003c\/strong\u003e It is built for systems powered by a thermopile rather than by a transformer — standing-pilot fireplaces, wall heaters, unit heaters. A 24 V thermostat will not switch reliably on millivolt power, and a millivolt stat is not rated for a 24 V circuit. Check which system you have before ordering: the giveaway is whether the appliance works during a power cut.\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\u003eConfirm the system type before ordering — low voltage, line voltage and millivolt thermostats look similar and are not interchangeable.\u003c\/p\u003e\u003cp\u003eThe millivolt power for this stat comes from the thermopile in the appliance. If that is what failed, see the \u003ca href=\"\/products\/35-in-750-mv-thermopile-with-push-in-clip-and-split-nut\"\u003eQ313A1188\u003c\/a\u003e and \u003ca href=\"\/products\/750-mv-thermopile-35-in-long-with-push-in-clip\"\u003eQ313A1139\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 T827K1009\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Non-programmable thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStages:\u003c\/strong\u003e Heat-only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature range:\u003c\/strong\u003e 50–90 °F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem:\u003c\/strong\u003e Millivolt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267271356\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostats\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351325372519,"sku":"HONE-T827K1009\/U","price":51.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/T827K1018-c2-6.jpg?v=1785815974"},{"product_id":"cool-only-thermostat-dual-scale-fahrenheit-and-celsius","title":"Resideo T834L1004\/U Cool Only Thermostat- Dual Scale Fahrenheit and Celsius","description":"\u003cp\u003eThe T834L1004 is a non-programmable thermostat from Resideo (Honeywell Home), cool-only.\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\u003eCool-only covers the reverse case: a space with air conditioning and no heat, where a combination stat leaves a heat setting that should never be used.\u003c\/p\u003e\u003cp\u003eThe dial is marked in both \u003cstrong\u003eFahrenheit and Celsius\u003c\/strong\u003e.\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. 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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 Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e T834N1002\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Non-programmable thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStages:\u003c\/strong\u003e 1 heat \/ 1 cool\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature range:\u003c\/strong\u003e 45–95 °F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267271370\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostats\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351325438055,"sku":"HONE-T834N1002\/U","price":43.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/T834N1002-c1-6.jpg?v=1785815978"},{"product_id":"commercialpro-7000-programmable-thermostat","title":"Resideo TB7220U1012\/U CommercialPRO 7000 Programmable Thermostat","description":"\u003cp\u003eThe TB7220U1012 is a CommercialPRO 7000 programmable thermostat from Resideo (Honeywell Home).\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\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 TB7220U1012\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e CommercialPRO 7000 programmable thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStages:\u003c\/strong\u003e Up to 3 Heat\/2 Cool Heat Pump; Up to 2 Heat\/2 Cool Conventional\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Packaged RTU; Conventional systems; Heat Pump Systems; 24 Vac heating and cooling systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostats\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351325470823,"sku":"HONE-TB7220U1012\/U","price":345.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TB7220U1012-c7-6.jpg?v=1785815980"},{"product_id":"medium-universal-thermostat-guard-cover-clear","title":"Resideo TG511A1000\/U Medium Universal Thermostat Guard Cover Clear","description":"\u003cp\u003eThe TG511A1000 is a universal thermostat guard from Resideo (Honeywell Home), medium, clear.\u003c\/p\u003e\u003cp\u003eA thermostat guard settles the argument. In a rental, a classroom, a shop floor or a common area, the setpoint is a negotiation that nobody wins; a locked cover makes it a decision instead.\u003c\/p\u003e\u003cp\u003eThe cover is vented so the stat still reads room air. A guard that traps air around the sensor turns a control problem into a comfort problem.\u003c\/p\u003e\u003cp\u003eGoes with: \u003ca href=\"\/products\/replacement-keys-set-of-2-for-tg509-tg510-tg511-and-tg512\"\u003e191990A\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 TG511A1000\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Universal thermostat guard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Medium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Clear\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping weight:\u003c\/strong\u003e 1.2 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostat Accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351325601895,"sku":"HONE-TG511A1000\/U","price":37.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TG511A-c6-6.jpg?v=1785815985"},{"product_id":"medium-universal-thermostat-guard-cover-beige","title":"Resideo TG511D1004\/U Medium Universal Thermostat Guard Cover Beige","description":"\u003cp\u003eThe TG511D1004 is a universal thermostat guard from Resideo (Honeywell Home), medium, beige.\u003c\/p\u003e\u003cp\u003eA thermostat guard settles the argument. In a rental, a classroom, a shop floor or a common area, the setpoint is a negotiation that nobody wins; a locked cover makes it a decision instead.\u003c\/p\u003e\u003cp\u003eThe cover is vented so the stat still reads room air. A guard that traps air around the sensor turns a control problem into a comfort problem.\u003c\/p\u003e\u003cp\u003eGoes with: \u003ca href=\"\/products\/replacement-keys-set-of-2-for-tg509-tg510-tg511-and-tg512\"\u003e191990A\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 TG511D1004\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Universal thermostat guard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Medium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Beige\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267101042\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostat Accessories\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351325634663,"sku":"HONE-TG511D1004\/U","price":107.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TG511D1004-c1-6.jpg?v=1785815986"},{"product_id":"line-volt-5-2-programmable-thermostat-with-triac-for-electric-heat","title":"Resideo TH105PLUS\/U Line Volt 5-2 Programmable Thermostat with TRIAC for Electric Heat","description":"\u003cp\u003eThe TH105PLUS 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\u003eSwitching is by \u003cstrong\u003eTRIAC\u003c\/strong\u003e rather than by mechanical contacts. A TRIAC has nothing to burn or weld, so it holds a much tighter temperature band than a bimetal stat and it does not develop the contact chatter that makes an old baseboard thermostat click all evening.\u003c\/p\u003e\u003cp\u003eThe 5-2 schedule lets the heat drop back when the room is empty and recover before it is used again. On electric resistance heat, where every watt is billed at full price, setback is the single largest saving available — there is no efficiency to improve, only run time to remove.\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 TH105PLUS\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Line-voltage thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl:\u003c\/strong\u003e Programmable 5-2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitching:\u003c\/strong\u003e TRIAC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 775264105005\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":44351325667431,"sku":"HONE-TH105PLUS\/U","price":72.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TH105PLUS-c2-6.jpg?v=1785815987"},{"product_id":"pro-1000-vertical-heat-non-programmable-thermostat","title":"Resideo TH1100DV1000\/U PRO 1000 Vertical Heat Non-Programmable Thermostat","description":"\u003cp\u003eThe Resideo 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 Resideo\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":"Resideo","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":"Resideo TH1110D2009\/U T1 Pro Non-programmable Thermostat","description":"\u003cp\u003eThe Resideo 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 Resideo\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":"Resideo","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":"pro-1000-horizontal-non-programmable-thermostat","title":"Resideo PRO 1000 Horizontal Non-Programmable Thermostat TH1110DH1003\/U","description":"\u003cp\u003eThe Resideo TH1110DH1003\/U is a PRO 1000 wall thermostat. 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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 TH1110DH1003\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267573566\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostats\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351325962343,"sku":"HONE-TH1110DH1003\/U","price":52.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TH1110DH-c3-6.jpg?v=1785815991"},{"product_id":"pro-1000-vertical-non-programmable-thermostat","title":"Resideo PRO 1000 Vertical Non-Programmable Thermostat TH1110DV1009\/U","description":"\u003cp\u003eThe Resideo TH1110DV1009\/U is a PRO 1000 wall thermostat. 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 Resideo\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e TH1110DV1009\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267799317\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":"Resideo","offers":[{"title":"Default Title","offer_id":44351325995111,"sku":"HONE-TH1110DV1009\/U","price":46.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TH1110DV-c2-6.jpg?v=1785815992"},{"product_id":"line-volt-electric-heating-manual-thermostat","title":"Resideo TH114-A-120S\/U Line Volt Electric Heating Manual Thermostat","description":"\u003cp\u003eThe TH114-A-120S is a line-voltage thermostat from Resideo (Honeywell Home) for electric resistance heat — baseboard, convectors, radiant ceiling or panel heaters, wired for 120 V.\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\u003eThis is a \u003cstrong\u003esingle-pole\u003c\/strong\u003e thermostat: it breaks one leg of the supply. One leg stays live at the heater even with the thermostat off, so the circuit breaker is the only true disconnect. Confirm what your installation calls for before substituting a single-pole for a double-pole.\u003c\/p\u003e\u003cp\u003eThis is a manual thermostat: one setpoint, held until someone changes it. In a room that is occupied on no particular schedule — a workshop, a spare room, a rental — a manual stat is the one that actually gets used, because no one has to reprogram it after a power cut.\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 TH114-A-120S\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Line-voltage thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 120 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e Single-pole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl:\u003c\/strong\u003e Manual\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency:\u003c\/strong\u003e 50\/60 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 775264924774\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":44351326027879,"sku":"HONE-TH114-A-120S\/U","price":128.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TH114-c4-6.jpg?v=1785815993"},{"product_id":"line-volt-manual-thermostat-for-electric-heat","title":"Resideo TH114-A-240D-B\/U Line Volt Manual Thermostat for Electric Heat","description":"\u003cp\u003eThe TH114-A-240D-B is a line-voltage thermostat from Resideo (Honeywell Home) for electric resistance heat — baseboard, convectors, radiant ceiling or panel heaters, wired for 240 V.\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\u003eThis is a \u003cstrong\u003edouble-pole\u003c\/strong\u003e thermostat: it breaks both legs of the supply, so the heater is fully de-energized when the thermostat is satisfied or turned off. Double-pole is what most jurisdictions require on 240 V baseboard, and it is what makes the heater safe to work on with the thermostat off.\u003c\/p\u003e\u003cp\u003eThis is a manual thermostat: one setpoint, held until someone changes it. In a room that is occupied on no particular schedule — a workshop, a spare room, a rental — a manual stat is the one that actually gets used, because no one has to reprogram it after a power cut.\u003c\/p\u003e\u003cp\u003eRated temperature accuracy is \u003cstrong\u003e0.9 °F\u003c\/strong\u003e. On electric heat that number is felt directly: a stat with a wide swing runs the room warm to avoid running it cold, and the extra degree is paid for every hour.\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 TH114-A-240D-B\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Line-voltage thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e Double-pole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl:\u003c\/strong\u003e Manual\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e 0.9 °F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 775264924781\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":44351326060647,"sku":"HONE-TH114-A-240D-B\/U","price":89.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/Default_52429d25-7df2-4ded-8f88-7f44c71d34a7.jpg?v=1788491245"},{"product_id":"line-volt-7-day-programmable-thermostat-for-electric-heat","title":"Resideo Line volt 7-day programmable thermostat for electric heat TH115-A-120S\/U","description":"\u003cp\u003eThe TH115-A-120S is a line-voltage thermostat from Resideo (Honeywell Home) for electric resistance heat — baseboard, convectors, radiant ceiling or panel heaters, wired for 120 V.\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\u003eThis is a \u003cstrong\u003esingle-pole\u003c\/strong\u003e thermostat: it breaks one leg of the supply. One leg stays live at the heater even with the thermostat off, so the circuit breaker is the only true disconnect. Confirm what your installation calls for before substituting a single-pole for a double-pole.\u003c\/p\u003e\u003cp\u003eThe 7-day schedule lets the heat drop back when the room is empty and recover before it is used again. On electric resistance heat, where every watt is billed at full price, setback is the single largest saving available — there is no efficiency to improve, only run time to remove.\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 TH115-A-120S\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Line-voltage thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 120 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e Single-pole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl:\u003c\/strong\u003e Programmable 7-day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 775264921131\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":44351326093415,"sku":"HONE-TH115-A-120S\/U","price":132.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TH115-A-120S-c1-6.jpg?v=1785815995"},{"product_id":"line-volt-7-day-programmable-thermostat-for-electric-heat-hone-th115-a-240d-b-u","title":"Resideo Line volt 7-day programmable thermostat for electric heat TH115-A-240D-B\/U","description":"\u003cp\u003eThe TH115-A-240D-B is a line-voltage thermostat from Resideo (Honeywell Home) for electric resistance heat — baseboard, convectors, radiant ceiling or panel heaters, wired for 240 V.\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\u003eThis is a \u003cstrong\u003edouble-pole\u003c\/strong\u003e thermostat: it breaks both legs of the supply, so the heater is fully de-energized when the thermostat is satisfied or turned off. Double-pole is what most jurisdictions require on 240 V baseboard, and it is what makes the heater safe to work on with the thermostat off.\u003c\/p\u003e\u003cp\u003eThe 7-day schedule lets the heat drop back when the room is empty and recover before it is used again. On electric resistance heat, where every watt is billed at full price, setback is the single largest saving available — there is no efficiency to improve, only run time to remove.\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 TH115-A-240D-B\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Line-voltage thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e Double-pole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl:\u003c\/strong\u003e Programmable 7-day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 775264924804\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":44351326126183,"sku":"HONE-TH115-A-240D-B\/U","price":104.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TH115-A-240D-c1-6.jpg?v=1785815996"},{"product_id":"line-volt-7-day-programmable-thermostat-for-electric-heat-hone-th115-a-240s-b-u","title":"Resideo Line volt 7-day programmable thermostat for electric heat TH115-A-240S-B\/U","description":"\u003cp\u003eThe TH115-A-240S-B is a line-voltage thermostat from Resideo (Honeywell Home) for electric resistance heat — baseboard, convectors, radiant ceiling or panel heaters, wired for 240 V.\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\u003eThis is a \u003cstrong\u003esingle-pole\u003c\/strong\u003e thermostat: it breaks one leg of the supply. One leg stays live at the heater even with the thermostat off, so the circuit breaker is the only true disconnect. Confirm what your installation calls for before substituting a single-pole for a double-pole.\u003c\/p\u003e\u003cp\u003eThe 7-day schedule lets the heat drop back when the room is empty and recover before it is used again. On electric resistance heat, where every watt is billed at full price, setback is the single largest saving available — there is no efficiency to improve, only run time to remove.\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 TH115-A-240S-B\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Line-voltage thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e Single-pole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl:\u003c\/strong\u003e Programmable 7-day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 775264924644\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":44351326650471,"sku":"HONE-TH115-A-240S-B\/U","price":104.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TH115-A-240S-c1-6.jpg?v=1785815997"},{"product_id":"pro-1000-horizontal-non-programmable-thermostat-hone-th1210dh1001-u","title":"Resideo PRO 1000 Horizontal Non-Programmable Thermostat TH1210DH1001\/U","description":"\u003cp\u003eThe Resideo TH1210DH1001\/U is a PRO 1000 wall thermostat. The case is the \u003cstrong\u003ehorizontal\u003c\/strong\u003e version — horizontal 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 Resideo\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e TH1210DH1001\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267386135\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostats\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351326683239,"sku":"HONE-TH1210DH1001\/U","price":60.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TH1210DH-c2-6.jpg?v=1785815998"},{"product_id":"pro-1000-vertical-non-programmable-thermostat-hone-th1210dv1007-u","title":"Resideo PRO 1000 Vertical Non-Programmable Thermostat TH1210DV1007\/U","description":"\u003cp\u003eThe Resideo TH1210DV1007\/U is a PRO 1000 wall thermostat. 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 Resideo\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e TH1210DV1007\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267589659\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostats\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351326716007,"sku":"HONE-TH1210DV1007\/U","price":67.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TH1210DV-c2-6.jpg?v=1785815999"},{"product_id":"low-volt-non-programmable-heat-only-thermostat","title":"Resideo TH135-01-B\/U Low Volt Non-Programmable Heat-Only Thermostat","description":"\u003cp\u003eThe TH135-01-B is a non-programmable thermostat from Resideo (Honeywell Home), heat-only.\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\u003eHeat-only means there is no cooling changeover and no fan switch to get into the wrong position. On a boiler or a furnace with no air conditioning, that is one less thing for a tenant to set wrong.\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 Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e TH135-01-B\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Non-programmable thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStages:\u003c\/strong\u003e Heat-only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 775264135286\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostats\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351326748775,"sku":"HONE-TH135-01-B\/U","price":68.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TH135-01-B-c1-6.jpg?v=1785816000"},{"product_id":"pro-2000-horizontal-programmable-thermostat","title":"Resideo PRO 2000 Horizontal Programmable Thermostat TH2110DH1002\/U","description":"\u003cp\u003eThe Resideo TH2110DH1002\/U is a PRO 2000 wall thermostat. The case is the \u003cstrong\u003ehorizontal\u003c\/strong\u003e version — horizontal 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\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 Resideo\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e TH2110DH1002\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267463171\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Thermostats\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351326781543,"sku":"HONE-TH2110DH1002\/U","price":50.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TH2110DH1002-c1-6.jpg?v=1785816006"}],"url":"https:\/\/www.thehousesupplier.com\/collections\/thermostats.oembed","provider":"The House Supplier","version":"1.0","type":"link"}