{"title":"Zone Valves","description":"\u003cp\u003eZone valves, actuators, dampers and panels for hydronic and forced-air zoning: 2-way and 3-way valves, fan coil valves, high-head models, replacement heads, zone dampers, forced-air panels and repair parts.\u003c\/p\u003e\u003cp\u003eZoning a hydronic system with valves instead of separate circulators is cheaper and simpler, but it changes the hydraulics: as zones close, flow through the remaining ones rises and the pump rides up its curve. That is why a valve-zoned system usually wants a pressure-bypass or a variable-speed circulator, and why a fixed-speed pump on a multi-zone valve system is often the source of velocity noise.\u003c\/p\u003e\u003cp\u003eMost residential zone valves fail at the powerhead, not the valve body. Replacement heads are stocked separately and swap without draining the system, which is the cheap fix when a zone stops responding but the valve still moves by hand.\u003c\/p\u003e\u003cp\u003eConnections are sweat, press, flare and FNPT in 1\/2\" through 1\".\u003c\/p\u003e\u003cp\u003eBrands include Resideo, Taco, Caleffi and Viega.\u003c\/p\u003e","products":[{"product_id":"z-one-2-way-ncw-ms-24v-inverted-flare-inverted-flare-3-5cv-w-fittings","title":"Caleffi North America Z40F Z-One™ 2-Way,NCw\/ MS,24V,Inverted Flare, Inverted Flare,3.5Cv w\/ fittings","description":"\u003cp\u003eThe Z-One™ 2-Way,NCw\/ MS,24V,Inverted Flare, Inverted Flare,3.5Cv w\/ fittings by Caleffi North America is part of our 2-way zone valve selection.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Caleffi North America\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e Z40F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 8016615964783\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e 2-Way Zone Valve\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Caleffi North America","offers":[{"title":"Default Title","offer_id":44350383751271,"sku":"CALE-Z40F","price":199.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/Z40F_CALE-Z40F_8016615964783.jpg?v=1785803315"},{"product_id":"z-one-2-way-valve-body-normally-closed-actuator-terminal-blockw-switch-24v-3-4-sweat-7-5cv-20-psi-p","title":"Caleffi North America Z-One™ 2-Way valve body,Normally Closed Actuator terminal blockw\/ Switch,24V,3\/4\",Sweat,7.5Cv,20 PSI ∆P","description":"\u003cp\u003eThe Z-One™ 2-Way valve body,Normally Closed Actuator terminal blockw\/ Switch,24V,3\/4\",Sweat,7.5Cv,20 PSI ∆P by Caleffi North America is part of our 2-way zone valve selection.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Caleffi North America\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e Z55\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 8016615964912\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e 2-Way Zone Valve\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Caleffi North America","offers":[{"title":"Default Title","offer_id":44350383816807,"sku":"CALE-Z55","price":190.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/Z55_CALE-Z55_8016615964912.jpg?v=1785803317"},{"product_id":"z-one-2-way-nc-terminal-block-w-ms-24v-3-4-union-press-7-5cv","title":"Caleffi North America Z55P Z-One™ 2-Way,NC TERMINAL Block, w\/ MS,24V,3\/4\",Union Press,7.5Cv","description":"\u003cp\u003eThe Z-One™ 2-Way,NC TERMINAL Block, w\/ MS,24V,3\/4\",Union Press,7.5Cv by Caleffi North America is part of our 2-way zone valve selection.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Caleffi North America\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e Z55P\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 8016615471182\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e 2-Way Zone Valve\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Caleffi North America","offers":[{"title":"Default Title","offer_id":44350383882343,"sku":"CALE-Z55P","price":244.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/Z55P_CALE-Z55P_8016615471182.jpg?v=1785803318"},{"product_id":"z-one-2-way-valve-body-normally-closed-actuator-terminal-blockw-switch-24v-1-sweat-7-5cv-20-psi-p","title":"Caleffi North America Z-One™ 2-Way valve body,Normally Closed Actuator terminal blockw\/ Switch,24V,1\",Sweat,7.5Cv,20 PSI ∆P","description":"\u003cp\u003eThe Z-One™ 2-Way valve body,Normally Closed Actuator terminal blockw\/ Switch,24V,1\",Sweat,7.5Cv,20 PSI ∆P by Caleffi North America is part of our 2-way zone valve selection.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Caleffi North America\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e Z56\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 8016615964929\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e 2-Way Zone Valve\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Caleffi North America","offers":[{"title":"Default Title","offer_id":44350383915111,"sku":"CALE-Z56","price":235.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/Z56_CALE-Z56_8016615964929.jpg?v=1785803319"},{"product_id":"z-one-2-way-nc-terminal-block-w-ms-24v-1-union-press-7-5cv","title":"Caleffi North America Z56P Z-One™ 2-Way,NC TERMINAL Block, w\/ MS,24V,1\",Union Press,7.5Cv","description":"\u003cp\u003eThe Z-One™ 2-Way,NC TERMINAL Block, w\/ MS,24V,1\",Union Press,7.5Cv by Caleffi North America is part of our 2-way zone valve selection.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Caleffi North America\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e Z56P\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 8016615551105\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e 2-Way Zone Valve\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Caleffi North America","offers":[{"title":"Default Title","offer_id":44350383947879,"sku":"CALE-Z56P","price":276.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/Z56P_CALE-Z56P_8016615551105.jpg?v=1785803320"},{"product_id":"cu-union-x-cu-union-3-4-zone-valve-incl-actuator-w-end-switch-cv-3-2","title":"MrPEX Systems 5120712 CU Union x CU Union - 3\/4 Zone Valve incl. Actuator w\/ End Switch Cv = 3.2","description":"\u003cp\u003eThe CU Union x CU Union - 3\/4 Zone Valve incl. Actuator w\/ End Switch Cv = 3.2 by MR PEX SYSTEMS is part of our zone valve parts selection.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e MR PEX SYSTEMS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 5120712\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 799475961540\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Valve Parts\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MrPEX Systems","offers":[{"title":"Default Title","offer_id":44351041929319,"sku":"MPEX-5120712","price":208.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/image_stghvm.jpg?v=1785812064"},{"product_id":"female-npt-x-male-npt-1-zone-valve-incl-actuator-w-end-switch-cv-4-0","title":"MrPEX Systems 5120723 Female NPT x Male NPT - 1 Zone Valve incl. Actuator w\/ End Switch Cv = 4.0","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e MR PEX SYSTEMS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 5120723\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 799475961571\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MrPEX Systems","offers":[{"title":"Default Title","offer_id":44351041994855,"sku":"MPEX-5120723","price":251.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/image_stghvm_23f277d7-18e5-4824-9531-b00a00f6ab13.jpg?v=1785812065"},{"product_id":"replacement-ball-and-o-ring-kit","title":"Resideo 272742A\/U Replacement ball and O-ring kit","description":"\u003cp\u003eReplacement ball and O-ring kit from Resideo (Honeywell Home), part number 272742A\/U. Resideo carries the Honeywell Home line of residential heating controls, and the V-series and VC-series zone valves this part serves are the reference hydronic controls in North American heating.\u003c\/p\u003e\u003cp\u003eRebuilding a zone valve from parts keeps the body in the piping and the actuator in service. On a heating system that is already charged and balanced, replacing a seal or a cartridge is a far smaller job than cutting a valve out of the line and soldering a new one in.\u003c\/p\u003e\u003cp\u003eMatch the part to the model stamped on your valve before ordering. Zone valve bodies from the same series differ by action and by port arrangement, and the rebuild parts are not interchangeable across them.\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 272742A\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Valve Parts\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351298142311,"sku":"HONE-272742A\/U","price":28.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/272742ACARD-c3-6.jpg?v=1785815531"},{"product_id":"24-vac-50-60-hz-replacement-head-for-v8043a","title":"Resideo 40003916-021\/U 24 Vac, 50\/60 Hz Replacement head for V8043A","description":"\u003cp\u003eReplacement actuator head for Resideo (Honeywell Home) \u003cstrong\u003eV8043A\u003c\/strong\u003e zone valves. When the motor in the valve fails, this part swaps onto the valve body that is already in the piping — the connections stay soldered or threaded in place and the system does not have to be drained.\u003c\/p\u003e\u003cp\u003eReplacing the head instead of the whole valve is the difference between a fifteen-minute service call and a soldering job on a live heating system. It is the reason the V-series has stayed in the field as long as it has.\u003c\/p\u003e\u003cp\u003eConfirm whether your valve is wired for pump start before ordering. A valve whose end-switch contacts are landed on the boiler needs a replacement head that carries the end switch; this one is specified without it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eValves this part is built for\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-vac-1-2-in-flare-n-c-zone-valve\"\u003eResideo V8043A1003\/U 24 Vac 1\/2 in Flare N.C. Zone Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-vac-1-2-in-sweat-n-c-zone-valve\"\u003eResideo V8043A1011\/U 24 Vac 1\/2 in Sweat N.C. Zone Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-vac-1-2-in-npt-n-c-zone-valve\"\u003eResideo V8043A1227\/U 24 Vac 1\/2 in NPT N.C. Zone Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-vac-3-4-in-pro-press-zone-valve-with-18-in-lead-wire\"\u003eResideo V8043A1312\/U 24 Vac 3\/4 in Pro Press Zone Valve with 18 in lead wire\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-vac-3-4-in-sweat-n-c-quickfit-zone-valve\"\u003eResideo V8043A5029\/U 24 Vac 3\/4 in Sweat N.C. QuickFit® Zone Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\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 40003916-021\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e V8043A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 Vac\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd switch:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Valve Replacement Heads\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351299551335,"sku":"HONE-40003916-021\/U","price":87.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/40003916-c12-6.jpg?v=1785815547"},{"product_id":"replacement-head-for-v4043a-120-v-ac-60-hz","title":"Resideo 40003916-024\/U Replacement Head for V4043A, 120 V AC, 60 Hz","description":"\u003cp\u003eReplacement actuator head for Resideo (Honeywell Home) \u003cstrong\u003eV4043A\u003c\/strong\u003e zone valves. When the motor in the valve fails, this part swaps onto the valve body that is already in the piping — the connections stay soldered or threaded in place and the system does not have to be drained.\u003c\/p\u003e\u003cp\u003eReplacing the head instead of the whole valve is the difference between a fifteen-minute service call and a soldering job on a live heating system. It is the reason the V-series has stayed in the field as long as it has.\u003c\/p\u003e\u003cp\u003eConfirm whether your valve is wired for pump start before ordering. A valve whose end-switch contacts are landed on the boiler needs a replacement head that carries the end switch; this one is specified without it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eValves this part is built for\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/120-vac-sweat-n-c-zone-valve\"\u003eResideo V4043A1010\/U 120 Vac Sweat N.C. Zone Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/120-vac-npt-n-c-zone-valve\"\u003eResideo V4043A1705\/U 120 Vac NPT N.C. Zone Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\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 40003916-024\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e V4043A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 120 Vac\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd switch:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Valve Replacement Heads\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351299682407,"sku":"HONE-40003916-024\/U","price":96.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/40003916-c12-6_83d7e836-b84d-488e-a3f0-9792cd630fb0.jpg?v=1785815548"},{"product_id":"replacement-head-with-end-switch-for-v8044e-24-v-ac-50-60-hz","title":"Resideo 40003916-026\/U Replacement Head with End Switch for V8044E, 24 V AC, 50\/60 Hz","description":"\u003cp\u003eReplacement actuator head for Resideo (Honeywell Home) \u003cstrong\u003eV8044E\u003c\/strong\u003e zone valves. When the motor in the valve fails, this part swaps onto the valve body that is already in the piping — the connections stay soldered or threaded in place and the system does not have to be drained.\u003c\/p\u003e\u003cp\u003eReplacing the head instead of the whole valve is the difference between a fifteen-minute service call and a soldering job on a live heating system. It is the reason the V-series has stayed in the field as long as it has.\u003c\/p\u003e\u003cp\u003eThis head includes the \u003cstrong\u003eend switch\u003c\/strong\u003e: a dry contact that closes when the valve reaches full open and starts the boiler or circulator. A valve wired for pump start needs a head with the end switch — fitting one without it leaves the zone opening while the circulator never runs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eValves this part is built for\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"\/products\/24-vac-3-4-in-sweat-n-c-zone-valve-hone-v8044e1011-u\"\u003eResideo 24 Vac 3\/4 in Sweat N.C. Zone Valve V8044E1011\/U\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 40003916-026\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e V8044E\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 Vac\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd switch:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Valve Replacement Heads\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351299715175,"sku":"HONE-40003916-026\/U","price":118.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/40003916-c12-6_2986ce26-c2d6-4799-98d4-dec41ccd4a0c.jpg?v=1785815549"},{"product_id":"replacement-head-for-v8043b-24-v-ac-50-60-hz-normally-open","title":"Resideo 40003916-027\/U Replacement Head for V8043B, 24 V AC, 50\/60 Hz, Normally Open","description":"\u003cp\u003eReplacement actuator head for Resideo (Honeywell Home) \u003cstrong\u003eV8043B\u003c\/strong\u003e zone valves. When the motor in the valve fails, this part swaps onto the valve body that is already in the piping — the connections stay soldered or threaded in place and the system does not have to be drained.\u003c\/p\u003e\u003cp\u003eReplacing the head instead of the whole valve is the difference between a fifteen-minute service call and a soldering job on a live heating system. It is the reason the V-series has stayed in the field as long as it has.\u003c\/p\u003e\u003cp\u003eConfirm whether your valve is wired for pump start before ordering. A valve whose end-switch contacts are landed on the boiler needs a replacement head that carries the end switch; this one is specified without it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eValves this part is built for\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-vac-1-2-in-sweat-n-o-zone-valve\"\u003eResideo V8043B1019\/U 24 Vac 1\/2 in Sweat N.O. Zone Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-vac-3-4-in-sweat-n-o-zone-valve\"\u003eResideo V8043B1027\/U 24 Vac 3\/4 in Sweat N.O. Zone Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\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 40003916-027\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e V8043B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 Vac\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd switch:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Valve Replacement Heads\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351299747943,"sku":"HONE-40003916-027\/U","price":95.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/40003916-c12-6_c31a9663-3191-4532-89cc-5434bf2fd59b.jpg?v=1785815550"},{"product_id":"replacement-head-for-v8044a-24-v-ac-50-60-hz","title":"Resideo 40003916-046\/U Replacement Head for V8044A, 24 V AC, 50\/60 Hz","description":"\u003cp\u003eReplacement actuator head for Resideo (Honeywell Home) \u003cstrong\u003eV8044A\u003c\/strong\u003e zone valves. When the motor in the valve fails, this part swaps onto the valve body that is already in the piping — the connections stay soldered or threaded in place and the system does not have to be drained.\u003c\/p\u003e\u003cp\u003eReplacing the head instead of the whole valve is the difference between a fifteen-minute service call and a soldering job on a live heating system. It is the reason the V-series has stayed in the field as long as it has.\u003c\/p\u003e\u003cp\u003eConfirm whether your valve is wired for pump start before ordering. A valve whose end-switch contacts are landed on the boiler needs a replacement head that carries the end switch; this one is specified without it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eValves this part is built for\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-vac-1-2-in-sweat-n-c-quickfit-zone-valve\"\u003eResideo V8044A1010\/U 24 Vac 1\/2 in Sweat N.C. QuickFit Zone Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-vac-3-4-in-sweat-n-c-quickfit-zone-valve-hone-v8044a1044-u\"\u003eResideo 24 Vac 3\/4 in Sweat N.C. QuickFit Zone Valve V8044A1044\/U\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-vac-1-2-in-npt-nc-quickfit-zone-valve\"\u003eResideo V8044A1135\/U 24 Vac 1\/2 in NPT NC QuickFit Zone Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-vac-3-4-in-npt-n-c-quickfit-zone-valve\"\u003eResideo V8044A1143\/U 24 Vac 3\/4 in NPT N.C. QuickFit Zone Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\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 40003916-046\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e V8044A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 Vac\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd switch:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Valve Replacement Heads\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351299780711,"sku":"HONE-40003916-046\/U","price":95.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/40003916-c12-6_81be230a-4c40-4abc-a3b8-2290ea6bb87a.jpg?v=1785815551"},{"product_id":"replacement-head-for-v4044a-120-vac-60-hz-with-96-in-leads","title":"Resideo 40003916-047\/U Replacement Head for V4044A, 120 VAC, 60 Hz with 96 in leads","description":"\u003cp\u003eReplacement actuator head for Resideo (Honeywell Home) \u003cstrong\u003eV4044A\u003c\/strong\u003e zone valves. When the motor in the valve fails, this part swaps onto the valve body that is already in the piping — the connections stay soldered or threaded in place and the system does not have to be drained.\u003c\/p\u003e\u003cp\u003eReplacing the head instead of the whole valve is the difference between a fifteen-minute service call and a soldering job on a live heating system. It is the reason the V-series has stayed in the field as long as it has.\u003c\/p\u003e\u003cp\u003eConfirm whether your valve is wired for pump start before ordering. A valve whose end-switch contacts are landed on the boiler needs a replacement head that carries the end switch; this one is specified without it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eValves this part is built for\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/120-vac-1-2-in-flare-diverting-quickfit-zone-valve\"\u003eResideo V4044A1001\/U 120 Vac 1\/2 in Flare Diverting QuickFit Zone Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/120-vac-1-2-in-sweat-diverting-quickfit-zone-valve\"\u003eResideo V4044A1019\/U 120 Vac 1\/2 in Sweat Diverting QuickFit Zone Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/120-vac-3-4-in-sweat-diverting-quickfit-zone-valve\"\u003eResideo V4044A1191\/U 120 Vac 3\/4 in Sweat Diverting QuickFit Zone Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\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 40003916-047\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e V4044A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 120 Vac\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd switch:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Valve Replacement Heads\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351300304999,"sku":"HONE-40003916-047\/U","price":109.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/40003916-c12-6_9b0ecea3-e97d-488a-aaff-fac6456e7e48.jpg?v=1785815551"},{"product_id":"replacement-head-for-v8043f-with-end-switch-24-v-ac-50-60-hz","title":"Resideo 40003916-048\/U Replacement Head for V8043F, with End Switch, 24 V AC, 50\/60 Hz","description":"\u003cp\u003eReplacement actuator head for Resideo (Honeywell Home) \u003cstrong\u003eV8043F\u003c\/strong\u003e zone valves. When the motor in the valve fails, this part swaps onto the valve body that is already in the piping — the connections stay soldered or threaded in place and the system does not have to be drained.\u003c\/p\u003e\u003cp\u003eReplacing the head instead of the whole valve is the difference between a fifteen-minute service call and a soldering job on a live heating system. It is the reason the V-series has stayed in the field as long as it has.\u003c\/p\u003e\u003cp\u003eThis head includes the \u003cstrong\u003eend switch\u003c\/strong\u003e: a dry contact that closes when the valve reaches full open and starts the boiler or circulator. A valve wired for pump start needs a head with the end switch — fitting one without it leaves the zone opening while the circulator never runs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eValves this part is built for\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-vac-1-in-sweat-n-c-zone-valve\"\u003eResideo V8043F1051\/U 24 Vac 1 in Sweat N.C. Zone Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-vac-3-4-in-sweat-n-c-zone-valve\"\u003eResideo 24 Vac 3\/4 in Sweat N.C. Zone Valve V8043F1093\/U\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-vac-3-4-in-sweat-n-c-quickfit-zone-valve-hone-v8043f5036-u\"\u003eResideo 24 Vac 3\/4 in Sweat N.C. QuickFit Zone Valve V8043F5036\/U\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\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 40003916-048\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e V8043F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 Vac\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd switch:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Valve Replacement Heads\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351300337767,"sku":"HONE-40003916-048\/U","price":129.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/40003916-c12-6_906fb269-b68b-4503-a5e7-f19f4034c78e.jpg?v=1785815552"},{"product_id":"replacement-head-for-v8043a-5000-series-24-v-ac-50-60-hz","title":"Resideo 40003916-521\/U Replacement Head for V8043A, 5000 series, 24 V AC, 50\/60 Hz","description":"\u003cp\u003eReplacement actuator head for Resideo (Honeywell Home) \u003cstrong\u003eV8043A\u003c\/strong\u003e zone valves. When the motor in the valve fails, this part swaps onto the valve body that is already in the piping — the connections stay soldered or threaded in place and the system does not have to be drained.\u003c\/p\u003e\u003cp\u003eReplacing the head instead of the whole valve is the difference between a fifteen-minute service call and a soldering job on a live heating system. It is the reason the V-series has stayed in the field as long as it has.\u003c\/p\u003e\u003cp\u003eConfirm whether your valve is wired for pump start before ordering. A valve whose end-switch contacts are landed on the boiler needs a replacement head that carries the end switch; this one is specified without it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eValves this part is built for\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-vac-1-2-in-flare-n-c-zone-valve\"\u003eResideo V8043A1003\/U 24 Vac 1\/2 in Flare N.C. Zone Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-vac-1-2-in-sweat-n-c-zone-valve\"\u003eResideo V8043A1011\/U 24 Vac 1\/2 in Sweat N.C. Zone Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-vac-1-2-in-npt-n-c-zone-valve\"\u003eResideo V8043A1227\/U 24 Vac 1\/2 in NPT N.C. Zone Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-vac-3-4-in-pro-press-zone-valve-with-18-in-lead-wire\"\u003eResideo V8043A1312\/U 24 Vac 3\/4 in Pro Press Zone Valve with 18 in lead wire\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-vac-3-4-in-sweat-n-c-quickfit-zone-valve\"\u003eResideo V8043A5029\/U 24 Vac 3\/4 in Sweat N.C. QuickFit® Zone Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\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 40003916-521\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e V8043A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 Vac\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd switch:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Valve Replacement Heads\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351300370535,"sku":"HONE-40003916-521\/U","price":98.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/40003916-c10-6.jpg?v=1785815554"},{"product_id":"adaptor-kit-for-v4043e-j-v8043j-low-pressure-steam-valves","title":"Resideo 40003918-008\/U Adaptor Kit For V4043E,J; V8043J Low Pressure Steam Valves","description":"\u003cp\u003eAdaptor Kit For V4043E,J; V8043J Low Pressure Steam Valves from Resideo (Honeywell Home), part number 40003918-008\/U. Resideo carries the Honeywell Home line of residential heating controls, and the V-series and VC-series zone valves this part serves are the reference hydronic controls in North American heating.\u003c\/p\u003e\u003cp\u003eRebuilding a zone valve from parts keeps the body in the piping and the actuator in service. On a heating system that is already charged and balanced, replacing a seal or a cartridge is a far smaller job than cutting a valve out of the line and soldering a new one in.\u003c\/p\u003e\u003cp\u003eMatch the part to the model stamped on your valve before ordering. Zone valve bodies from the same series differ by action and by port arrangement, and the rebuild parts are not interchangeable across them.\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 40003918-008\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Valve Parts\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351300436071,"sku":"HONE-40003918-008\/U","price":22.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/40003918-002-c1-6_85f49b80-48ee-4313-b7de-b1ba4b624263.jpg?v=1785815555"},{"product_id":"24-volt-replacement-motor-for-v8043-and-v8044","title":"Resideo 802360JA\/U 24-Volt Replacement Motor for V8043 and V8044","description":"\u003cp\u003eReplacement actuator motor for Resideo (Honeywell Home) \u003cstrong\u003eV8043 and V8044\u003c\/strong\u003e zone valves. When the motor in the valve fails, this part swaps onto the valve body that is already in the piping — the connections stay soldered or threaded in place and the system does not have to be drained.\u003c\/p\u003e\u003cp\u003eReplacing the head instead of the whole valve is the difference between a fifteen-minute service call and a soldering job on a live heating system. It is the reason the V-series has stayed in the field as long as it has.\u003c\/p\u003e\u003cp\u003eConfirm whether your valve is wired for pump start before ordering. A valve whose end-switch contacts are landed on the boiler needs a replacement head that carries the end switch; this one is specified without it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eValves this part is built for\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-vac-1-2-in-flare-n-c-zone-valve\"\u003eResideo V8043A1003\/U 24 Vac 1\/2 in Flare N.C. Zone Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-vac-1-2-in-sweat-n-c-zone-valve\"\u003eResideo V8043A1011\/U 24 Vac 1\/2 in Sweat N.C. Zone Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-vac-1-2-in-npt-n-c-zone-valve\"\u003eResideo V8043A1227\/U 24 Vac 1\/2 in NPT N.C. Zone Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-vac-3-4-in-pro-press-zone-valve-with-18-in-lead-wire\"\u003eResideo V8043A1312\/U 24 Vac 3\/4 in Pro Press Zone Valve with 18 in lead wire\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-vac-3-4-in-sweat-n-c-quickfit-zone-valve\"\u003eResideo V8043A5029\/U 24 Vac 3\/4 in Sweat N.C. QuickFit® Zone Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\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 802360JA\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e V8043, V8044\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd switch:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Valve Replacement Heads\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351301058663,"sku":"HONE-802360JA\/U","price":55.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/802360JA-c2-6.jpg?v=1785815574"},{"product_id":"277v-replacement-motor-for-v4043-or-v4044-zone-valves","title":"Resideo 802360QA\/U 277V Replacement motor for V4043 or V4044 Zone Valves","description":"\u003cp\u003eReplacement actuator motor for Resideo (Honeywell Home) \u003cstrong\u003eV4043 and V4044\u003c\/strong\u003e zone valves. When the motor in the valve fails, this part swaps onto the valve body that is already in the piping — the connections stay soldered or threaded in place and the system does not have to be drained.\u003c\/p\u003e\u003cp\u003eReplacing the head instead of the whole valve is the difference between a fifteen-minute service call and a soldering job on a live heating system. It is the reason the V-series has stayed in the field as long as it has.\u003c\/p\u003e\u003cp\u003eConfirm whether your valve is wired for pump start before ordering. A valve whose end-switch contacts are landed on the boiler needs a replacement head that carries the end switch; this one is specified without it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eConfirm compatibility before ordering.\u003c\/strong\u003e This motor is rated 277 V, which is not the supply voltage of the standard residential zone valve lines. Contact us with the model stamped on your valve and we will confirm the fit.\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 802360QA\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e V4043, V4044\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 277 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd switch:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Valve Replacement Heads\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351301091431,"sku":"HONE-802360QA\/U","price":57.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/802360JA-c2-6_e057746a-91a2-40f3-b063-0162d7b115b1.jpg?v=1785815574"},{"product_id":"24v-50-60-hz-replacement-motor-for-v8043j-steam-heating-zone-valves","title":"Resideo 802360UA\/U 24V, 50\/60 Hz Replacement Motor for V8043J Steam\/Heating Zone Valves","description":"\u003cp\u003eReplacement actuator motor for Resideo (Honeywell Home) \u003cstrong\u003eV8043J\u003c\/strong\u003e zone valves. When the motor in the valve fails, this part swaps onto the valve body that is already in the piping — the connections stay soldered or threaded in place and the system does not have to be drained.\u003c\/p\u003e\u003cp\u003eReplacing the head instead of the whole valve is the difference between a fifteen-minute service call and a soldering job on a live heating system. It is the reason the V-series has stayed in the field as long as it has.\u003c\/p\u003e\u003cp\u003eConfirm whether your valve is wired for pump start before ordering. A valve whose end-switch contacts are landed on the boiler needs a replacement head that carries the end switch; this one is specified without it.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 802360UA\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e V8043J\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 Vac\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd switch:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Valve Replacement Heads\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351301124199,"sku":"HONE-802360UA\/U","price":58.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/802360JA-c2-6_8ae63cfc-1a6a-425e-a202-d7992c273cab.jpg?v=1785815575"},{"product_id":"10-in-round-automatic-damper","title":"Resideo ARD10TZ\/U 10 in Round Automatic Damper","description":"\u003cp\u003eThe ARD10TZ is an automatic round zone damper from Resideo (Honeywell Home), 10 in diameter, 24 V.\u003c\/p\u003e\u003cp\u003eIn a forced-air zoning system the damper is the moving part. The zone panel opens the dampers for the zones that are calling, keeps the rest shut, and runs the equipment — so one furnace serves an upstairs that wants cooling and a basement that wants nothing without either room getting the other one’s air.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePower closed, spring open.\u003c\/strong\u003e The actuator drives the blade shut and a spring returns it open, so a damper that loses power or loses its actuator fails \u003cem\u003eopen\u003c\/em\u003e. The zone may lose control, but the blower never ends up pushing against a duct that is sealed off — which is the failure that breaks things.\u003c\/p\u003e\u003cp\u003eSize it by duct diameter, and count the total 24 V load before adding dampers to an existing panel. Every actuator draws while it drives, and a transformer that was adequate for three zones is not automatically adequate for five.\u003c\/p\u003e\u003cp\u003eThe actuator mounts side or top, which is what makes it installable in a joist bay where the pipe can only be reached from one side.\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 ARD10TZ\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Automatic round zone damper\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 10 in diameter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDamper type:\u003c\/strong\u003e Single-blade, round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActuator mounting:\u003c\/strong\u003e Side or Top\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor:\u003c\/strong\u003e Power closed, spring open\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminals:\u003c\/strong\u003e M1-Power; M6 Common; M4 (optional)-LED indication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267461191\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Dampers\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351304499303,"sku":"HONE-ARD10TZ\/U","price":155.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/ARD5TZ-c1-6.jpg?v=1785815634"},{"product_id":"12-in-round-automatic-damper","title":"Resideo ARD12TZ\/U 12 in Round Automatic Damper","description":"\u003cp\u003eThe ARD12TZ is an automatic round zone damper from Resideo (Honeywell Home), 12 in diameter, 24 V.\u003c\/p\u003e\u003cp\u003eIn a forced-air zoning system the damper is the moving part. The zone panel opens the dampers for the zones that are calling, keeps the rest shut, and runs the equipment — so one furnace serves an upstairs that wants cooling and a basement that wants nothing without either room getting the other one’s air.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePower closed, spring open.\u003c\/strong\u003e The actuator drives the blade shut and a spring returns it open, so a damper that loses power or loses its actuator fails \u003cem\u003eopen\u003c\/em\u003e. The zone may lose control, but the blower never ends up pushing against a duct that is sealed off — which is the failure that breaks things.\u003c\/p\u003e\u003cp\u003eSize it by duct diameter, and count the total 24 V load before adding dampers to an existing panel. Every actuator draws while it drives, and a transformer that was adequate for three zones is not automatically adequate for five.\u003c\/p\u003e\u003cp\u003eThe actuator mounts side or top, which is what makes it installable in a joist bay where the pipe can only be reached from one side.\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 ARD12TZ\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Automatic round zone damper\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 12 in diameter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDamper type:\u003c\/strong\u003e Single-blade, round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActuator mounting:\u003c\/strong\u003e Side or Top\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor:\u003c\/strong\u003e Power closed, spring open\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminals:\u003c\/strong\u003e M1-Power; M6 Common; M4 (optional)-LED indication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267171786\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Dampers\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351304532071,"sku":"HONE-ARD12TZ\/U","price":161.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/ARD5TZ-c1-6_ec6a7dec-3c8f-4a0c-af11-031ec09fc802.jpg?v=1785815625"},{"product_id":"14-in-round-automatic-damper","title":"Resideo ARD14TZ\/U 14 in Round Automatic Damper","description":"\u003cp\u003eThe ARD14TZ is an automatic round zone damper from Resideo (Honeywell Home), 14 in diameter, 24 V.\u003c\/p\u003e\u003cp\u003eIn a forced-air zoning system the damper is the moving part. The zone panel opens the dampers for the zones that are calling, keeps the rest shut, and runs the equipment — so one furnace serves an upstairs that wants cooling and a basement that wants nothing without either room getting the other one’s air.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePower closed, spring open.\u003c\/strong\u003e The actuator drives the blade shut and a spring returns it open, so a damper that loses power or loses its actuator fails \u003cem\u003eopen\u003c\/em\u003e. The zone may lose control, but the blower never ends up pushing against a duct that is sealed off — which is the failure that breaks things.\u003c\/p\u003e\u003cp\u003eSize it by duct diameter, and count the total 24 V load before adding dampers to an existing panel. Every actuator draws while it drives, and a transformer that was adequate for three zones is not automatically adequate for five.\u003c\/p\u003e\u003cp\u003eThe actuator mounts side or top, which is what makes it installable in a joist bay where the pipe can only be reached from one side.\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 ARD14TZ\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Automatic round zone damper\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 14 in diameter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDamper type:\u003c\/strong\u003e Single-blade, round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActuator mounting:\u003c\/strong\u003e Side or Top\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor:\u003c\/strong\u003e Power closed, spring open\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminals:\u003c\/strong\u003e M1-Power; M6 Common; M4 (optional)-LED indication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267502573\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Dampers\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351304564839,"sku":"HONE-ARD14TZ\/U","price":180.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/ARD5TZ-c1-6_e88502e0-2cc4-46d3-999c-4fa8d8333864.jpg?v=1785815626"},{"product_id":"18-in-round-automatic-damper","title":"Resideo ARD18TZ\/U 18 in Round Automatic Damper","description":"\u003cp\u003eThe ARD18TZ is an automatic round zone damper from Resideo (Honeywell Home), 18 in, 24 V.\u003c\/p\u003e\u003cp\u003eIn a forced-air zoning system the damper is the moving part. The zone panel opens the dampers for the zones that are calling, keeps the rest shut, and runs the equipment — so one furnace serves an upstairs that wants cooling and a basement that wants nothing without either room getting the other one’s air.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePower closed, spring open.\u003c\/strong\u003e The actuator drives the blade shut and a spring returns it open, so a damper that loses power or loses its actuator fails \u003cem\u003eopen\u003c\/em\u003e. The zone may lose control, but the blower never ends up pushing against a duct that is sealed off — which is the failure that breaks things.\u003c\/p\u003e\u003cp\u003eSize it by duct diameter, and count the total 24 V load before adding dampers to an existing panel. 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The zone panel opens the dampers for the zones that are calling, keeps the rest shut, and runs the equipment — so one furnace serves an upstairs that wants cooling and a basement that wants nothing without either room getting the other one’s air.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePower closed, spring open.\u003c\/strong\u003e The actuator drives the blade shut and a spring returns it open, so a damper that loses power or loses its actuator fails \u003cem\u003eopen\u003c\/em\u003e. The zone may lose control, but the blower never ends up pushing against a duct that is sealed off — which is the failure that breaks things.\u003c\/p\u003e\u003cp\u003eSize it by duct diameter, and count the total 24 V load before adding dampers to an existing panel. Every actuator draws while it drives, and a transformer that was adequate for three zones is not automatically adequate for five.\u003c\/p\u003e\u003cp\u003eThe actuator mounts side or top, which is what makes it installable in a joist bay where the pipe can only be reached from one side.\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 ARD5TZ\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Automatic round zone damper\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 5 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDamper type:\u003c\/strong\u003e Single-blade, round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActuator mounting:\u003c\/strong\u003e Side or Top\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor:\u003c\/strong\u003e Power closed, spring open\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminals:\u003c\/strong\u003e M1-Power; M6 Common; M4 (optional)-LED indication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267806039\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Dampers\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351304630375,"sku":"HONE-ARD5TZ\/U","price":140.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/ARD5TZ-c1-6_37a98cad-7f3b-45b7-8cd2-d25f9f75692a.jpg?v=1785815628"},{"product_id":"6-in-round-automatic-damper","title":"Resideo ARD6TZ\/U 6 in Round Automatic Damper","description":"\u003cp\u003eThe ARD6TZ is an automatic round zone damper from Resideo (Honeywell Home), 6 in diameter, 24 V.\u003c\/p\u003e\u003cp\u003eIn a forced-air zoning system the damper is the moving part. The zone panel opens the dampers for the zones that are calling, keeps the rest shut, and runs the equipment — so one furnace serves an upstairs that wants cooling and a basement that wants nothing without either room getting the other one’s air.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePower closed, spring open.\u003c\/strong\u003e The actuator drives the blade shut and a spring returns it open, so a damper that loses power or loses its actuator fails \u003cem\u003eopen\u003c\/em\u003e. The zone may lose control, but the blower never ends up pushing against a duct that is sealed off — which is the failure that breaks things.\u003c\/p\u003e\u003cp\u003eSize it by duct diameter, and count the total 24 V load before adding dampers to an existing panel. Every actuator draws while it drives, and a transformer that was adequate for three zones is not automatically adequate for five.\u003c\/p\u003e\u003cp\u003eThe actuator mounts side or top, which is what makes it installable in a joist bay where the pipe can only be reached from one side.\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 ARD6TZ\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Automatic round zone damper\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 6 in diameter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDamper type:\u003c\/strong\u003e Single-blade, round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActuator mounting:\u003c\/strong\u003e Side or Top\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor:\u003c\/strong\u003e Power closed, spring open\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminals:\u003c\/strong\u003e M1-Power; M6 Common; M4 (optional)-LED indication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 852679193333\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Dampers\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351304663143,"sku":"HONE-ARD6TZ\/U","price":146.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/ARD5TZ-c1-6_61c98f68-ff86-4fb9-aa2f-10c3d823200d.jpg?v=1785815630"},{"product_id":"7-in-round-automatic-damper","title":"Resideo ARD7TZ\/U 7 in Round Automatic Damper","description":"\u003cp\u003eThe ARD7TZ is an automatic round zone damper from Resideo (Honeywell Home), 7 in, 24 V.\u003c\/p\u003e\u003cp\u003eIn a forced-air zoning system the damper is the moving part. The zone panel opens the dampers for the zones that are calling, keeps the rest shut, and runs the equipment — so one furnace serves an upstairs that wants cooling and a basement that wants nothing without either room getting the other one’s air.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePower closed, spring open.\u003c\/strong\u003e The actuator drives the blade shut and a spring returns it open, so a damper that loses power or loses its actuator fails \u003cem\u003eopen\u003c\/em\u003e. The zone may lose control, but the blower never ends up pushing against a duct that is sealed off — which is the failure that breaks things.\u003c\/p\u003e\u003cp\u003eSize it by duct diameter, and count the total 24 V load before adding dampers to an existing panel. Every actuator draws while it drives, and a transformer that was adequate for three zones is not automatically adequate for five.\u003c\/p\u003e\u003cp\u003eThe actuator mounts side or top, which is what makes it installable in a joist bay where the pipe can only be reached from one side.\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 ARD7TZ\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Automatic round zone damper\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 7 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDamper type:\u003c\/strong\u003e Single-blade, round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActuator mounting:\u003c\/strong\u003e Side or Top\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor:\u003c\/strong\u003e Power closed, spring open\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminals:\u003c\/strong\u003e M1-Power; M6 Common; M4 (optional)-LED indication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267948067\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Dampers\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351304695911,"sku":"HONE-ARD7TZ\/U","price":188.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/ARD5TZ-c1-6_829a0d1f-605b-4bf9-810b-bbf08bbea061.jpg?v=1785815631"},{"product_id":"thermostatic-radiator-valve-replacement-cartridge","title":"Resideo CA110C107 Thermostatic Radiator Valve Replacement Cartridge","description":"\u003cp\u003eThermostatic Radiator Valve Replacement Cartridge from Resideo (Honeywell Home), part number CA110C107. Resideo carries the Honeywell Home line of residential heating controls, and the V-series and VC-series zone valves this part serves are the reference hydronic controls in North American heating.\u003c\/p\u003e\u003cp\u003eRebuilding a zone valve from parts keeps the body in the piping and the actuator in service. On a heating system that is already charged and balanced, replacing a seal or a cartridge is a far smaller job than cutting a valve out of the line and soldering a new one in.\u003c\/p\u003e\u003cp\u003eMatch the part to the model stamped on your valve before ordering. Zone valve bodies from the same series differ by action and by port arrangement, and the rebuild parts are not interchangeable across them.\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 CA110C107\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Valve Parts\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351307120743,"sku":"HONE-CA110C107","price":44.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/CA110C107-c1-6.jpg?v=1785815660"},{"product_id":"6-in-round-fresh-air-damper","title":"Resideo EARD6TZ\/U 6 in Round Fresh Air Damper","description":"\u003cp\u003eThe EARD6TZ is a motorized fresh air damper from Resideo (Honeywell Home), 6 in round, 24 V.\u003c\/p\u003e\u003cp\u003eThis is the damper on the outdoor air intake. A house tight enough to hold its heat is also tight enough to hold everything else, so controlled ventilation brings in measured outside air instead of leaving it to whatever leaks. The damper is what makes it measured: it opens when the ventilation control calls and shuts the rest of the time, so the house is not pulling cold air in all winter.\u003c\/p\u003e\u003cp\u003eIt is driven by a ventilation control rather than by a thermostat. Without that control the damper has nothing telling it when the house has had enough outside air.\u003c\/p\u003e\u003cp\u003eUsed with: Honeywell Ventilation Systems.\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 EARD6TZ\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Motorized fresh air damper\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 6 in diameter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActuator mounting:\u003c\/strong\u003e Side or Top\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor:\u003c\/strong\u003e Power open, spring closed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUsed with:\u003c\/strong\u003e Honeywell Ventilation Systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267690423\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Dampers\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351311151207,"sku":"HONE-EARD6TZ\/U","price":148.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/EARD6TZ-c3-6.jpg?v=1785815717"},{"product_id":"8-in-round-fresh-air-damper","title":"Resideo EARD8TZ\/U 8 in Round Fresh Air Damper","description":"\u003cp\u003eThe EARD8TZ is a motorized fresh air damper from Resideo (Honeywell Home), 8 in round, 24 V.\u003c\/p\u003e\u003cp\u003eThis is the damper on the outdoor air intake. A house tight enough to hold its heat is also tight enough to hold everything else, so controlled ventilation brings in measured outside air instead of leaving it to whatever leaks. The damper is what makes it measured: it opens when the ventilation control calls and shuts the rest of the time, so the house is not pulling cold air in all winter.\u003c\/p\u003e\u003cp\u003eIt is driven by a ventilation control rather than by a thermostat. Without that control the damper has nothing telling it when the house has had enough outside air.\u003c\/p\u003e\u003cp\u003eUsed with: Honeywell Ventilation Systems.\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 EARD8TZ\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Motorized fresh air damper\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 8 in diameter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActuator mounting:\u003c\/strong\u003e Side or Top\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor:\u003c\/strong\u003e Power open, spring closed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUsed with:\u003c\/strong\u003e Honeywell Ventilation Systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267728270\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Dampers\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351311183975,"sku":"HONE-EARD8TZ\/U","price":195.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/EARD6TZ-c3-6_ec33aa4f-4c2d-4f33-aa5a-3b4a50256f40.jpg?v=1785815718"},{"product_id":"truezone-hz311-panel","title":"Resideo HZ311\/U TrueZONE® HZ311 Panel","description":"\u003cp\u003eThe HZ311 is a TrueZONE forced-air zone panel from Resideo (Honeywell Home) — 3 Zone, 1 Heat\/1 Cool.\u003c\/p\u003e\u003cp\u003eZoning is what you do when one thermostat cannot describe the whole house. The panel takes a call from each zone thermostat, opens that zone’s dampers, closes the others and runs the equipment at the stage the call needs — so the finished attic and the north bedroom stop fighting each other through a single stat in the hallway.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTwo numbers decide which panel.\u003c\/strong\u003e Zones is how many separately controlled areas it handles — this one is rated for 3 Zone. Stages is how much of the equipment it can drive: 1 Heat\/1 Cool. A panel with enough zones but not enough stages will run a two-stage furnace as though it were single-stage, and the equipment loses the efficiency that was paid for.\u003c\/p\u003e\u003cp\u003eIndividual zone fan control lets one zone run its fan without calling the others — useful where a room needs circulation rather than heat.\u003c\/p\u003e\u003cp\u003eIt works with a \u003cstrong\u003edischarge air temperature sensor\u003c\/strong\u003e, which is the part that protects the equipment when a single small zone calls: the panel watches supply temperature and backs the equipment down before the heat exchanger overheats or the coil freezes.\u003c\/p\u003e\u003cp\u003eThis is the panel on its own. A working installation also needs a 24 V transformer sized for the panel and the dampers, and a discharge air sensor — the kit version of this part number includes both.\u003c\/p\u003e\u003cp\u003eCount the dampers before sizing the transformer. Every actuator adds to the load, and the intermittent faults in a zoning system are usually a transformer running at its limit rather than the panel.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e HZ311\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e TrueZONE forced-air zone panel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZones:\u003c\/strong\u003e 3 Zone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStages:\u003c\/strong\u003e 1 Heat\/1 Cool\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat pump compatible:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto changeover:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndividual zone fan control:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResettable fuse:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267297950\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Forced Air Zone Panels\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351314624615,"sku":"HONE-HZ311\/U","price":201.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/HZ311-c3-6.jpg?v=1785815763"},{"product_id":"truezone-kit-dats-transform-hz311-pnl","title":"Resideo HZ311K\/U TrueZONE® Kit - DATS\/Transform\/HZ311 Pnl","description":"\u003cp\u003eThe HZ311K is a TrueZONE forced-air zone panel from Resideo (Honeywell Home) — 3 Zone, 1 Heat\/1 Cool, supplied as a kit.\u003c\/p\u003e\u003cp\u003eZoning is what you do when one thermostat cannot describe the whole house. The panel takes a call from each zone thermostat, opens that zone’s dampers, closes the others and runs the equipment at the stage the call needs — so the finished attic and the north bedroom stop fighting each other through a single stat in the hallway.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTwo numbers decide which panel.\u003c\/strong\u003e Zones is how many separately controlled areas it handles — this one is rated for 3 Zone. Stages is how much of the equipment it can drive: 1 Heat\/1 Cool. A panel with enough zones but not enough stages will run a two-stage furnace as though it were single-stage, and the equipment loses the efficiency that was paid for.\u003c\/p\u003e\u003cp\u003eIndividual zone fan control lets one zone run its fan without calling the others — useful where a room needs circulation rather than heat.\u003c\/p\u003e\u003cp\u003eIt works with a \u003cstrong\u003edischarge air temperature sensor\u003c\/strong\u003e, which is the part that protects the equipment when a single small zone calls: the panel watches supply temperature and backs the equipment down before the heat exchanger overheats or the coil freezes.\u003c\/p\u003e\u003cp\u003eThe kit version ships with what the panel needs to be commissioned rather than as a bare board: \u003cstrong\u003eHZ311 Zone Control Panel, AT140 Transformer, C7735A Discharge Air Temperature Sensor\u003c\/strong\u003e. Buying the three separately costs more and leaves the transformer sizing to chance.\u003c\/p\u003e\u003cp\u003eCount the dampers before sizing the transformer. Every actuator adds to the load, and the intermittent faults in a zoning system are usually a transformer running at its limit rather than the panel.\u003c\/p\u003e\u003cp\u003eWe stock these kit parts individually too: \u003ca href=\"\/products\/truezone-hz311-panel\"\u003eHZ311\u003c\/a\u003e, \u003ca href=\"\/products\/foot-mounted-120-vac-transformer-with-9-in-leadwires-and-plastic-end-caps\"\u003eAT140B1206\u003c\/a\u003e, \u003ca href=\"\/products\/foot-mounted-120-208-240-vac-transformer-with-9-in-leadwires-and-plastic-end-caps\"\u003eAT140B1214\u003c\/a\u003e, \u003ca href=\"\/products\/return-duct-backup-control-of-non-zoned-redlink-enabled\"\u003eC7735A1000\u003c\/a\u003e.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e HZ311K\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e TrueZONE forced-air zone panel kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZones:\u003c\/strong\u003e 3 Zone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStages:\u003c\/strong\u003e 1 Heat\/1 Cool\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat pump compatible:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto changeover:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndividual zone fan control:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResettable fuse:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e HZ311 Zone Control Panel, AT140 Transformer, C7735A Discharge Air Temperature Sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267314350\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Forced Air Zone Panels\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351314657383,"sku":"HONE-HZ311K\/U","price":196.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/HZ311K-c3-6.jpg?v=1785815764"},{"product_id":"truezone-hz322-panel","title":"Resideo HZ322\/U TrueZONE® HZ322 Panel","description":"\u003cp\u003eThe HZ322 is a TrueZONE forced-air zone panel from Resideo (Honeywell Home) — 3 Zone, 2 Heat\/2 Cool.\u003c\/p\u003e\u003cp\u003eZoning is what you do when one thermostat cannot describe the whole house. The panel takes a call from each zone thermostat, opens that zone’s dampers, closes the others and runs the equipment at the stage the call needs — so the finished attic and the north bedroom stop fighting each other through a single stat in the hallway.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTwo numbers decide which panel.\u003c\/strong\u003e Zones is how many separately controlled areas it handles — this one is rated for 3 Zone. Stages is how much of the equipment it can drive: 2 Heat\/2 Cool. A panel with enough zones but not enough stages will run a two-stage furnace as though it were single-stage, and the equipment loses the efficiency that was paid for.\u003c\/p\u003e\u003cp\u003eHeat pump compatible, with an emergency heat switch and automatic changeover. A zone panel that cannot handle a heat pump properly is the one that ends up running auxiliary strip heat when it should not.\u003c\/p\u003e\u003cp\u003eIndividual zone fan control lets one zone run its fan without calling the others — useful where a room needs circulation rather than heat.\u003c\/p\u003e\u003cp\u003eIt works with a \u003cstrong\u003edischarge air temperature sensor\u003c\/strong\u003e, which is the part that protects the equipment when a single small zone calls: the panel watches supply temperature and backs the equipment down before the heat exchanger overheats or the coil freezes.\u003c\/p\u003e\u003cp\u003eThis is the panel on its own. A working installation also needs a 24 V transformer sized for the panel and the dampers, and a discharge air sensor — the kit version of this part number includes both.\u003c\/p\u003e\u003cp\u003eCount the dampers before sizing the transformer. Every actuator adds to the load, and the intermittent faults in a zoning system are usually a transformer running at its limit rather than the panel.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e HZ322\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e TrueZONE forced-air zone panel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZones:\u003c\/strong\u003e 3 Zone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStages:\u003c\/strong\u003e 2 Heat\/2 Cool\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat pump compatible:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto changeover:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmergency heat switch:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndividual zone fan control:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResettable fuse:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267297967\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Forced Air Zone Panels\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351314690151,"sku":"HONE-HZ322\/U","price":225.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/HZ322-c7-6.jpg?v=1785815765"},{"product_id":"truezone-kit-dats-transform-hz322-pnl","title":"Resideo HZ322K\/U TrueZONE® Kit - DATS\/Transform\/HZ322 Pnl","description":"\u003cp\u003eThe HZ322K is a TrueZONE forced-air zone panel from Resideo (Honeywell Home) — 3 Zone, 2 Heat\/2 Cool, supplied as a kit.\u003c\/p\u003e\u003cp\u003eZoning is what you do when one thermostat cannot describe the whole house. The panel takes a call from each zone thermostat, opens that zone’s dampers, closes the others and runs the equipment at the stage the call needs — so the finished attic and the north bedroom stop fighting each other through a single stat in the hallway.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTwo numbers decide which panel.\u003c\/strong\u003e Zones is how many separately controlled areas it handles — this one is rated for 3 Zone. Stages is how much of the equipment it can drive: 2 Heat\/2 Cool. A panel with enough zones but not enough stages will run a two-stage furnace as though it were single-stage, and the equipment loses the efficiency that was paid for.\u003c\/p\u003e\u003cp\u003eHeat pump compatible, with an emergency heat switch and automatic changeover. A zone panel that cannot handle a heat pump properly is the one that ends up running auxiliary strip heat when it should not.\u003c\/p\u003e\u003cp\u003eIndividual zone fan control lets one zone run its fan without calling the others — useful where a room needs circulation rather than heat.\u003c\/p\u003e\u003cp\u003eIt works with a \u003cstrong\u003edischarge air temperature sensor\u003c\/strong\u003e, which is the part that protects the equipment when a single small zone calls: the panel watches supply temperature and backs the equipment down before the heat exchanger overheats or the coil freezes.\u003c\/p\u003e\u003cp\u003eThe kit version ships with what the panel needs to be commissioned rather than as a bare board: \u003cstrong\u003eHZ322 Zone Control Panel, AT140 Transformer, C7735A Discharge Air Temperature Sensor\u003c\/strong\u003e. Buying the three separately costs more and leaves the transformer sizing to chance.\u003c\/p\u003e\u003cp\u003eCount the dampers before sizing the transformer. Every actuator adds to the load, and the intermittent faults in a zoning system are usually a transformer running at its limit rather than the panel.\u003c\/p\u003e\u003cp\u003eWe stock these kit parts individually too: \u003ca href=\"\/products\/truezone-hz322-panel\"\u003eHZ322\u003c\/a\u003e, \u003ca href=\"\/products\/foot-mounted-120-vac-transformer-with-9-in-leadwires-and-plastic-end-caps\"\u003eAT140B1206\u003c\/a\u003e, \u003ca href=\"\/products\/foot-mounted-120-208-240-vac-transformer-with-9-in-leadwires-and-plastic-end-caps\"\u003eAT140B1214\u003c\/a\u003e, \u003ca href=\"\/products\/return-duct-backup-control-of-non-zoned-redlink-enabled\"\u003eC7735A1000\u003c\/a\u003e.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e HZ322K\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e TrueZONE forced-air zone panel kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZones:\u003c\/strong\u003e 3 Zone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStages:\u003c\/strong\u003e 2 Heat\/2 Cool\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat pump compatible:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto changeover:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmergency heat switch:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndividual zone fan control:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResettable fuse:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e HZ322 Zone Control Panel, AT140 Transformer, C7735A Discharge Air Temperature Sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267314367\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Forced Air Zone Panels\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351314722919,"sku":"HONE-HZ322K\/U","price":256.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/HZ322K-c3-6.jpg?v=1785815766"},{"product_id":"truezone-hz432-panel","title":"Resideo HZ432\/U TrueZONE® HZ432 Panel","description":"\u003cp\u003eThe HZ432 is a TrueZONE forced-air zone panel from Resideo (Honeywell Home) — 4 Zones, 3 Heat\/2 Cool.\u003c\/p\u003e\u003cp\u003eZoning is what you do when one thermostat cannot describe the whole house. The panel takes a call from each zone thermostat, opens that zone’s dampers, closes the others and runs the equipment at the stage the call needs — so the finished attic and the north bedroom stop fighting each other through a single stat in the hallway.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTwo numbers decide which panel.\u003c\/strong\u003e Zones is how many separately controlled areas it handles — this one is rated for 4 Zones. Stages is how much of the equipment it can drive: 3 Heat\/2 Cool. A panel with enough zones but not enough stages will run a two-stage furnace as though it were single-stage, and the equipment loses the efficiency that was paid for.\u003c\/p\u003e\u003cp\u003eIt is also \u003cstrong\u003eexpandable to 32 with TAZ-4H panels\u003c\/strong\u003e — worth knowing before ruling this panel out on a larger job.\u003c\/p\u003e\u003cp\u003eHeat pump compatible, with an emergency heat switch and automatic changeover. A zone panel that cannot handle a heat pump properly is the one that ends up running auxiliary strip heat when it should not.\u003c\/p\u003e\u003cp\u003eIndividual zone fan control lets one zone run its fan without calling the others — useful where a room needs circulation rather than heat.\u003c\/p\u003e\u003cp\u003eIt works with a \u003cstrong\u003edischarge air temperature sensor\u003c\/strong\u003e, which is the part that protects the equipment when a single small zone calls: the panel watches supply temperature and backs the equipment down before the heat exchanger overheats or the coil freezes.\u003c\/p\u003e\u003cp\u003eThis is the panel on its own. A working installation also needs a 24 V transformer sized for the panel and the dampers, and a discharge air sensor — the kit version of this part number includes both.\u003c\/p\u003e\u003cp\u003eCount the dampers before sizing the transformer. Every actuator adds to the load, and the intermittent faults in a zoning system are usually a transformer running at its limit rather than the panel.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e HZ432\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e TrueZONE forced-air zone panel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZones:\u003c\/strong\u003e 4 Zones (expandable to 32 with TAZ-4H panels)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStages:\u003c\/strong\u003e 3 Heat\/2 Cool\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat pump compatible:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto changeover:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmergency heat switch:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndividual zone fan control:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResettable fuse:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267297943\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Forced Air Zone Panels\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351314755687,"sku":"HONE-HZ432\/U","price":549.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/HZ432-c7-6.jpg?v=1785815767"},{"product_id":"truezone-hz432-panel-kit","title":"Resideo HZ432K\/U TrueZONE® HZ432 Panel Kit","description":"\u003cp\u003eThe HZ432K is a TrueZONE forced-air zone panel from Resideo (Honeywell Home) — 4 Zones, 3 Heat\/2 Cool, supplied as a kit.\u003c\/p\u003e\u003cp\u003eZoning is what you do when one thermostat cannot describe the whole house. The panel takes a call from each zone thermostat, opens that zone’s dampers, closes the others and runs the equipment at the stage the call needs — so the finished attic and the north bedroom stop fighting each other through a single stat in the hallway.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTwo numbers decide which panel.\u003c\/strong\u003e Zones is how many separately controlled areas it handles — this one is rated for 4 Zones. Stages is how much of the equipment it can drive: 3 Heat\/2 Cool. A panel with enough zones but not enough stages will run a two-stage furnace as though it were single-stage, and the equipment loses the efficiency that was paid for.\u003c\/p\u003e\u003cp\u003eIt is also \u003cstrong\u003eexpandable to 32 with TAZ-4H panels\u003c\/strong\u003e — worth knowing before ruling this panel out on a larger job.\u003c\/p\u003e\u003cp\u003eHeat pump compatible, with an emergency heat switch and automatic changeover. A zone panel that cannot handle a heat pump properly is the one that ends up running auxiliary strip heat when it should not.\u003c\/p\u003e\u003cp\u003eIndividual zone fan control lets one zone run its fan without calling the others — useful where a room needs circulation rather than heat.\u003c\/p\u003e\u003cp\u003eIt works with a \u003cstrong\u003edischarge air temperature sensor\u003c\/strong\u003e, which is the part that protects the equipment when a single small zone calls: the panel watches supply temperature and backs the equipment down before the heat exchanger overheats or the coil freezes.\u003c\/p\u003e\u003cp\u003eThe kit version ships with what the panel needs to be commissioned rather than as a bare board: \u003cstrong\u003eHZ432 Zone Control Panel, AT140 Transformer, C7735A Discharge Air Temperature Sensor\u003c\/strong\u003e. Buying the three separately costs more and leaves the transformer sizing to chance.\u003c\/p\u003e\u003cp\u003eCount the dampers before sizing the transformer. Every actuator adds to the load, and the intermittent faults in a zoning system are usually a transformer running at its limit rather than the panel.\u003c\/p\u003e\u003cp\u003eWe stock these kit parts individually too: \u003ca href=\"\/products\/truezone-hz432-panel\"\u003eHZ432\u003c\/a\u003e, \u003ca href=\"\/products\/foot-mounted-120-vac-transformer-with-9-in-leadwires-and-plastic-end-caps\"\u003eAT140B1206\u003c\/a\u003e, \u003ca href=\"\/products\/foot-mounted-120-208-240-vac-transformer-with-9-in-leadwires-and-plastic-end-caps\"\u003eAT140B1214\u003c\/a\u003e, \u003ca href=\"\/products\/return-duct-backup-control-of-non-zoned-redlink-enabled\"\u003eC7735A1000\u003c\/a\u003e.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Resideo (Honeywell Home)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e HZ432K\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e TrueZONE forced-air zone panel kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZones:\u003c\/strong\u003e 4 Zones (expandable to 32 with TAZ-4H panels)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStages:\u003c\/strong\u003e 3 Heat\/2 Cool\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat pump compatible:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto changeover:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmergency heat switch:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndividual zone fan control:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResettable fuse:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e HZ432 Zone Control Panel, AT140 Transformer, C7735A Discharge Air Temperature Sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267314374\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Forced Air Zone Panels\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351314788455,"sku":"HONE-HZ432K\/U","price":457.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/HZ432K-c3-6.jpg?v=1785815768"},{"product_id":"no-rebuild-kit-for-1-2-to-1-in-vu52-fan-coil-valve","title":"Resideo QVU8142A3231\/U NO Rebuild Kit for 1\/2 to 1 in VU52 Fan Coil Valve","description":"\u003cp\u003eNO Rebuild Kit for 1\/2 to 1 in VU52 Fan Coil Valve from Resideo (Honeywell Home), part number QVU8142A3231\/U. Resideo carries the Honeywell Home line of residential heating controls, and the V-series and VC-series zone valves this part serves are the reference hydronic controls in North American heating.\u003c\/p\u003e\u003cp\u003eRebuilding a zone valve from parts keeps the body in the piping and the actuator in service. On a heating system that is already charged and balanced, replacing a seal or a cartridge is a far smaller job than cutting a valve out of the line and soldering a new one in.\u003c\/p\u003e\u003cp\u003eMatch the part to the model stamped on your valve before ordering. Zone valve bodies from the same series differ by action and by port arrangement, and the rebuild parts are not interchangeable across them.\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 QVU8142A3231\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Valve Parts\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351322980455,"sku":"HONE-QVU8142A3231\/U","price":117.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/7715742384231_a647fb4a-e72e-457d-aa1d-1a4cb1d04e33.png?v=1789017279"},{"product_id":"nc-rebuild-kit-for-1-2-to-1-in-vu53-fan-coil-valve","title":"Resideo QVU8143A3231\/U NC Rebuild Kit for 1\/2 to 1 in VU53 Fan Coil Valve","description":"\u003cp\u003eNC Rebuild Kit for 1\/2 to 1 in VU53 Fan Coil Valve from Resideo (Honeywell Home), part number QVU8143A3231\/U. Resideo carries the Honeywell Home line of residential heating controls, and the V-series and VC-series zone valves this part serves are the reference hydronic controls in North American heating.\u003c\/p\u003e\u003cp\u003eRebuilding a zone valve from parts keeps the body in the piping and the actuator in service. On a heating system that is already charged and balanced, replacing a seal or a cartridge is a far smaller job than cutting a valve out of the line and soldering a new one in.\u003c\/p\u003e\u003cp\u003eMatch the part to the model stamped on your valve before ordering. Zone valve bodies from the same series differ by action and by port arrangement, and the rebuild parts are not interchangeable across them.\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 QVU8143A3231\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Valve Parts\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351323013223,"sku":"HONE-QVU8143A3231\/U","price":118.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/7715742416999_599fcc6c-1ac7-4697-84fb-43541ca5f551.png?v=1789017301"},{"product_id":"120-vac-sweat-n-c-zone-valve","title":"Resideo V4043A1010\/U 120 Vac Sweat N.C. Zone Valve","description":"\u003cp\u003eThe V4043A1010 is a two-position hydronic zone valve from Resideo, the brand that carries the Honeywell Home line of residential heating controls. It pairs a motorized actuator with a sweat valve body to start and stop hot water flow to a single heating zone on a call from a thermostat or zone panel.\u003c\/p\u003e\u003cp\u003eThe valve is \u003cstrong\u003enormally closed\u003c\/strong\u003e. It stays shut until the actuator is energized and returns to the closed position when power is removed, so a zone drops out on a power failure or a thermostat fault instead of running unattended. That is the safer default on a boiler loop feeding radiators, convectors, finned baseboard, or in-floor radiant tubing.\u003c\/p\u003e\u003cp\u003eThe sweat connections tie the valve into the supply piping, and the V4043A1010 handles supply water at operating pressures up to \u003cstrong\u003e300 psi\u003c\/strong\u003e. \u003c\/p\u003e\u003cp\u003eThe V8043 and V4043 series have been the reference zone valves in North American hydronic heating for decades, and most contractors still order them by the original Honeywell part number. The actuator head is field-replaceable, so a burned-out motor does not mean cutting the body out of the line.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eReplacement head and motor for this valve\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"\/products\/replacement-head-for-v4043a-120-v-ac-60-hz\"\u003eResideo 40003916-024\/U Replacement Head for V4043A, 120 V AC, 60 Hz\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\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 V4043A1010\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve action:\u003c\/strong\u003e Normally closed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 120 Vac\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection type:\u003c\/strong\u003e Sweat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax operating pressure:\u003c\/strong\u003e 300 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Valves\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351329304679,"sku":"HONE-V4043A1010\/U","price":126.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/V8043-c49-6.jpg?v=1785816069"},{"product_id":"120-vac-npt-n-c-zone-valve","title":"Resideo V4043A1705\/U 120 Vac NPT N.C. Zone Valve","description":"\u003cp\u003eThe V4043A1705 is a two-position hydronic zone valve from Resideo, the brand that carries the Honeywell Home line of residential heating controls. It pairs a motorized actuator with a NPT valve body to start and stop hot water flow to a single heating zone on a call from a thermostat or zone panel.\u003c\/p\u003e\u003cp\u003eThe valve is \u003cstrong\u003enormally closed\u003c\/strong\u003e. It stays shut until the actuator is energized and returns to the closed position when power is removed, so a zone drops out on a power failure or a thermostat fault instead of running unattended. That is the safer default on a boiler loop feeding radiators, convectors, finned baseboard, or in-floor radiant tubing.\u003c\/p\u003e\u003cp\u003eThe NPT connections tie the valve into the supply piping, and the V4043A1705 handles supply water at operating pressures up to \u003cstrong\u003e300 psi\u003c\/strong\u003e. \u003c\/p\u003e\u003cp\u003eThe V8043 and V4043 series have been the reference zone valves in North American hydronic heating for decades, and most contractors still order them by the original Honeywell part number. The actuator head is field-replaceable, so a burned-out motor does not mean cutting the body out of the line.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eReplacement head and motor for this valve\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"\/products\/replacement-head-for-v4043a-120-v-ac-60-hz\"\u003eResideo 40003916-024\/U Replacement Head for V4043A, 120 V AC, 60 Hz\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\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 V4043A1705\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve action:\u003c\/strong\u003e Normally closed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 120 Vac\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection type:\u003c\/strong\u003e Npt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax operating pressure:\u003c\/strong\u003e 300 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Valves\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351329337447,"sku":"HONE-V4043A1705\/U","price":144.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/V8043-c22-6.jpg?v=1785816070"},{"product_id":"120-vac-1-2-in-flare-diverting-quickfit-zone-valve","title":"Resideo V4044A1001\/U 120 Vac 1\/2 in Flare Diverting QuickFit Zone Valve","description":"\u003cp\u003eThe V4044A1001 is a two-position hydronic zone valve from Resideo, the brand that carries the Honeywell Home line of residential heating controls. It pairs a motorized actuator with a 1\/2-inch flare valve body to start and stop hot water flow to a single heating zone on a call from a thermostat or zone panel.\u003c\/p\u003e\u003cp\u003eThis is a \u003cstrong\u003ediverting\u003c\/strong\u003e valve. Instead of simply opening and closing one path, it moves flow between two outlets, which is how a single circulator can serve a heating zone and an indirect water heater without a second pump.\u003c\/p\u003e\u003cp\u003eThe 1\/2-inch flare connections tie the valve into the supply piping, and the V4044A1001 handles supply water at operating pressures up to \u003cstrong\u003e300 psi\u003c\/strong\u003e. \u003c\/p\u003e\u003cp\u003eThis is a \u003cstrong\u003eQuickFit\u003c\/strong\u003e model: the actuator head releases from the valve body without breaking the piping connection, so a failed motor is changed out without draining the system or unsoldering anything.\u003c\/p\u003e\u003cp\u003eThe V8043 and V4043 series have been the reference zone valves in North American hydronic heating for decades, and most contractors still order them by the original Honeywell part number. The actuator head is field-replaceable, so a burned-out motor does not mean cutting the body out of the line.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eReplacement head and motor for this valve\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"\/products\/replacement-head-for-v4044a-120-vac-60-hz-with-96-in-leads\"\u003eResideo 40003916-047\/U Replacement Head for V4044A, 120 VAC, 60 Hz with 96 in leads\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\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 V4044A1001\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve action:\u003c\/strong\u003e Diverting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 120 Vac\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection size:\u003c\/strong\u003e 1\/2 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection type:\u003c\/strong\u003e Flare\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuickFit actuator:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax operating pressure:\u003c\/strong\u003e 300 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Valves\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351329370215,"sku":"HONE-V4044A1001\/U","price":137.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/V8044-c12-6.jpg?v=1785816071"},{"product_id":"120-vac-1-2-in-sweat-diverting-quickfit-zone-valve","title":"Resideo V4044A1019\/U 120 Vac 1\/2 in Sweat Diverting QuickFit Zone Valve","description":"\u003cp\u003eThe V4044A1019 is a two-position hydronic zone valve from Resideo, the brand that carries the Honeywell Home line of residential heating controls. It pairs a motorized actuator with a 1\/2-inch sweat valve body to start and stop hot water flow to a single heating zone on a call from a thermostat or zone panel.\u003c\/p\u003e\u003cp\u003eThis is a \u003cstrong\u003ediverting\u003c\/strong\u003e valve. Instead of simply opening and closing one path, it moves flow between two outlets, which is how a single circulator can serve a heating zone and an indirect water heater without a second pump.\u003c\/p\u003e\u003cp\u003eThe 1\/2-inch sweat connections tie the valve into the supply piping, and the V4044A1019 handles supply water at operating pressures up to \u003cstrong\u003e300 psi\u003c\/strong\u003e. \u003c\/p\u003e\u003cp\u003eThis is a \u003cstrong\u003eQuickFit\u003c\/strong\u003e model: the actuator head releases from the valve body without breaking the piping connection, so a failed motor is changed out without draining the system or unsoldering anything.\u003c\/p\u003e\u003cp\u003eThe V8043 and V4043 series have been the reference zone valves in North American hydronic heating for decades, and most contractors still order them by the original Honeywell part number. The actuator head is field-replaceable, so a burned-out motor does not mean cutting the body out of the line.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eReplacement head and motor for this valve\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"\/products\/replacement-head-for-v4044a-120-vac-60-hz-with-96-in-leads\"\u003eResideo 40003916-047\/U Replacement Head for V4044A, 120 VAC, 60 Hz with 96 in leads\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\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 V4044A1019\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve action:\u003c\/strong\u003e Diverting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 120 Vac\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection size:\u003c\/strong\u003e 1\/2 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection type:\u003c\/strong\u003e Sweat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuickFit actuator:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax operating pressure:\u003c\/strong\u003e 300 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Valves\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351329402983,"sku":"HONE-V4044A1019\/U","price":136.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/V8044-c8-6.jpg?v=1785816072"},{"product_id":"120-vac-3-4-in-sweat-diverting-quickfit-zone-valve","title":"Resideo V4044A1191\/U 120 Vac 3\/4 in Sweat Diverting QuickFit Zone Valve","description":"\u003cp\u003eThe V4044A1191 is a two-position hydronic zone valve from Resideo, the brand that carries the Honeywell Home line of residential heating controls. It pairs a motorized actuator with a 3\/4-inch sweat valve body to start and stop hot water flow to a single heating zone on a call from a thermostat or zone panel.\u003c\/p\u003e\u003cp\u003eThis is a \u003cstrong\u003ediverting\u003c\/strong\u003e valve. Instead of simply opening and closing one path, it moves flow between two outlets, which is how a single circulator can serve a heating zone and an indirect water heater without a second pump.\u003c\/p\u003e\u003cp\u003eThe 3\/4-inch sweat connections tie the valve into the supply piping, and the V4044A1191 handles supply water at operating pressures up to \u003cstrong\u003e300 psi\u003c\/strong\u003e. \u003c\/p\u003e\u003cp\u003eThis is a \u003cstrong\u003eQuickFit\u003c\/strong\u003e model: the actuator head releases from the valve body without breaking the piping connection, so a failed motor is changed out without draining the system or unsoldering anything.\u003c\/p\u003e\u003cp\u003eThe V8043 and V4043 series have been the reference zone valves in North American hydronic heating for decades, and most contractors still order them by the original Honeywell part number. The actuator head is field-replaceable, so a burned-out motor does not mean cutting the body out of the line.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eReplacement head and motor for this valve\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"\/products\/replacement-head-for-v4044a-120-vac-60-hz-with-96-in-leads\"\u003eResideo 40003916-047\/U Replacement Head for V4044A, 120 VAC, 60 Hz with 96 in leads\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\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 V4044A1191\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve action:\u003c\/strong\u003e Diverting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 120 Vac\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection size:\u003c\/strong\u003e 3\/4 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection type:\u003c\/strong\u003e Sweat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuickFit actuator:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax operating pressure:\u003c\/strong\u003e 300 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Valves\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351329435751,"sku":"HONE-V4044A1191\/U","price":192.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/v8044-c1-6.jpg?v=1785816074"},{"product_id":"24-vac-1-2-in-flare-n-c-zone-valve","title":"Resideo V8043A1003\/U 24 Vac 1\/2 in Flare N.C. Zone Valve","description":"\u003cp\u003eThe V8043A1003 is a two-position hydronic zone valve from Resideo, the brand that carries the Honeywell Home line of residential heating controls. It pairs a motorized actuator with a 1\/2-inch flare valve body to start and stop hot water flow to a single heating zone on a call from a thermostat or zone panel.\u003c\/p\u003e\u003cp\u003eThe valve is \u003cstrong\u003enormally closed\u003c\/strong\u003e. It stays shut until the actuator is energized and returns to the closed position when power is removed, so a zone drops out on a power failure or a thermostat fault instead of running unattended. That is the safer default on a boiler loop feeding radiators, convectors, finned baseboard, or in-floor radiant tubing.\u003c\/p\u003e\u003cp\u003eThe 1\/2-inch flare connections tie the valve into the supply piping, and the V8043A1003 handles supply water at operating pressures up to \u003cstrong\u003e300 psi\u003c\/strong\u003e. \u003c\/p\u003e\u003cp\u003eThe V8043 and V4043 series have been the reference zone valves in North American hydronic heating for decades, and most contractors still order them by the original Honeywell part number. The actuator head is field-replaceable, so a burned-out motor does not mean cutting the body out of the line.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eReplacement head and motor for this valve\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-vac-50-60-hz-replacement-head-for-v8043a\"\u003eResideo 40003916-021\/U 24 Vac, 50\/60 Hz Replacement head for V8043A\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/replacement-head-for-v8043a-5000-series-24-v-ac-50-60-hz\"\u003eResideo 40003916-521\/U Replacement Head for V8043A, 5000 series, 24 V AC, 50\/60 Hz\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-volt-replacement-motor-for-v8043-and-v8044\"\u003eResideo 802360JA\/U 24-Volt Replacement Motor for V8043 and V8044\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\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 V8043A1003\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve action:\u003c\/strong\u003e Normally closed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 Vac\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection size:\u003c\/strong\u003e 1\/2 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection type:\u003c\/strong\u003e Flare\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax operating pressure:\u003c\/strong\u003e 300 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Valves\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351329468519,"sku":"HONE-V8043A1003\/U","price":126.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/v8043-c39-6.jpg?v=1785816074"},{"product_id":"24-vac-1-2-in-sweat-n-c-zone-valve","title":"Resideo V8043A1011\/U 24 Vac 1\/2 in Sweat N.C. Zone Valve","description":"\u003cp\u003eThe V8043A1011 is a two-position hydronic zone valve from Resideo, the brand that carries the Honeywell Home line of residential heating controls. It pairs a motorized actuator with a 1\/2-inch sweat valve body to start and stop hot water flow to a single heating zone on a call from a thermostat or zone panel.\u003c\/p\u003e\u003cp\u003eThe valve is \u003cstrong\u003enormally closed\u003c\/strong\u003e. It stays shut until the actuator is energized and returns to the closed position when power is removed, so a zone drops out on a power failure or a thermostat fault instead of running unattended. That is the safer default on a boiler loop feeding radiators, convectors, finned baseboard, or in-floor radiant tubing.\u003c\/p\u003e\u003cp\u003eThe 1\/2-inch sweat connections tie the valve into the supply piping, and the V8043A1011 handles supply water at operating pressures up to \u003cstrong\u003e300 psi\u003c\/strong\u003e. \u003c\/p\u003e\u003cp\u003eThe V8043 and V4043 series have been the reference zone valves in North American hydronic heating for decades, and most contractors still order them by the original Honeywell part number. The actuator head is field-replaceable, so a burned-out motor does not mean cutting the body out of the line.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eReplacement head and motor for this valve\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-vac-50-60-hz-replacement-head-for-v8043a\"\u003eResideo 40003916-021\/U 24 Vac, 50\/60 Hz Replacement head for V8043A\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/replacement-head-for-v8043a-5000-series-24-v-ac-50-60-hz\"\u003eResideo 40003916-521\/U Replacement Head for V8043A, 5000 series, 24 V AC, 50\/60 Hz\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-volt-replacement-motor-for-v8043-and-v8044\"\u003eResideo 802360JA\/U 24-Volt Replacement Motor for V8043 and V8044\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\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 V8043A1011\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve action:\u003c\/strong\u003e Normally closed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 Vac\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection size:\u003c\/strong\u003e 1\/2 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection type:\u003c\/strong\u003e Sweat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax operating pressure:\u003c\/strong\u003e 300 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Valves\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351329501287,"sku":"HONE-V8043A1011\/U","price":116.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/V8043-c10-6.jpg?v=1785816075"},{"product_id":"24-vac-1-2-in-npt-n-c-zone-valve","title":"Resideo V8043A1227\/U 24 Vac 1\/2 in NPT N.C. Zone Valve","description":"\u003cp\u003eThe V8043A1227 is a two-position hydronic zone valve from Resideo, the brand that carries the Honeywell Home line of residential heating controls. It pairs a motorized actuator with a 1\/2-inch NPT valve body to start and stop hot water flow to a single heating zone on a call from a thermostat or zone panel.\u003c\/p\u003e\u003cp\u003eThe valve is \u003cstrong\u003enormally closed\u003c\/strong\u003e. It stays shut until the actuator is energized and returns to the closed position when power is removed, so a zone drops out on a power failure or a thermostat fault instead of running unattended. That is the safer default on a boiler loop feeding radiators, convectors, finned baseboard, or in-floor radiant tubing.\u003c\/p\u003e\u003cp\u003eThe 1\/2-inch NPT connections tie the valve into the supply piping, and the V8043A1227 handles supply water at operating pressures up to \u003cstrong\u003e300 psi\u003c\/strong\u003e. \u003c\/p\u003e\u003cp\u003eThe V8043 and V4043 series have been the reference zone valves in North American hydronic heating for decades, and most contractors still order them by the original Honeywell part number. The actuator head is field-replaceable, so a burned-out motor does not mean cutting the body out of the line.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eReplacement head and motor for this valve\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-vac-50-60-hz-replacement-head-for-v8043a\"\u003eResideo 40003916-021\/U 24 Vac, 50\/60 Hz Replacement head for V8043A\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/replacement-head-for-v8043a-5000-series-24-v-ac-50-60-hz\"\u003eResideo 40003916-521\/U Replacement Head for V8043A, 5000 series, 24 V AC, 50\/60 Hz\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-volt-replacement-motor-for-v8043-and-v8044\"\u003eResideo 802360JA\/U 24-Volt Replacement Motor for V8043 and V8044\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\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 V8043A1227\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve action:\u003c\/strong\u003e Normally closed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 Vac\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection size:\u003c\/strong\u003e 1\/2 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection type:\u003c\/strong\u003e Npt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax operating pressure:\u003c\/strong\u003e 300 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Valves\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351329534055,"sku":"HONE-V8043A1227\/U","price":152.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/V8043-c22-6_ed2bdf71-d1f7-4d64-b3a1-172c0fdc5c20.jpg?v=1785816077"},{"product_id":"24-vac-3-4-in-pro-press-zone-valve-with-18-in-lead-wire","title":"Resideo V8043A1312\/U 24 Vac 3\/4 in Pro Press Zone Valve with 18 in lead wire","description":"\u003cp\u003eThe V8043A1312 is a two-position hydronic zone valve from Resideo, the brand that carries the Honeywell Home line of residential heating controls. It pairs a motorized actuator with a 3\/4-inch Pro Press valve body to start and stop hot water flow to a single heating zone on a call from a thermostat or zone panel.\u003c\/p\u003e\u003cp\u003eThe valve is \u003cstrong\u003enormally closed\u003c\/strong\u003e. It stays shut until the actuator is energized and returns to the closed position when power is removed, so a zone drops out on a power failure or a thermostat fault instead of running unattended. That is the safer default on a boiler loop feeding radiators, convectors, finned baseboard, or in-floor radiant tubing.\u003c\/p\u003e\u003cp\u003eThe 3\/4-inch Pro Press connections tie the valve into the supply piping, and the V8043A1312 handles supply water at operating pressures up to \u003cstrong\u003e300 psi\u003c\/strong\u003e. Lead wires are 18 inches long, enough to reach a nearby junction box or zone panel terminal without splicing in the tight space above a boiler. \u003c\/p\u003e\u003cp\u003eThe V8043 and V4043 series have been the reference zone valves in North American hydronic heating for decades, and most contractors still order them by the original Honeywell part number. The actuator head is field-replaceable, so a burned-out motor does not mean cutting the body out of the line.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eReplacement head and motor for this valve\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-vac-50-60-hz-replacement-head-for-v8043a\"\u003eResideo 40003916-021\/U 24 Vac, 50\/60 Hz Replacement head for V8043A\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/replacement-head-for-v8043a-5000-series-24-v-ac-50-60-hz\"\u003eResideo 40003916-521\/U Replacement Head for V8043A, 5000 series, 24 V AC, 50\/60 Hz\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-volt-replacement-motor-for-v8043-and-v8044\"\u003eResideo 802360JA\/U 24-Volt Replacement Motor for V8043 and V8044\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\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 V8043A1312\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve action:\u003c\/strong\u003e Normally closed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 Vac\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection size:\u003c\/strong\u003e 3\/4 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection type:\u003c\/strong\u003e Pro press\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead wires:\u003c\/strong\u003e 18 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax operating pressure:\u003c\/strong\u003e 300 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Valves\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351329566823,"sku":"HONE-V8043A1312\/U","price":154.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/V8043AP-c4-6.jpg?v=1785816078"},{"product_id":"24-vac-3-4-in-sweat-n-c-quickfit-zone-valve","title":"Resideo V8043A5029\/U 24 Vac 3\/4 in Sweat N.C. QuickFit® Zone Valve","description":"\u003cp\u003eThe V8043A5029 is a two-position hydronic zone valve from Resideo, the brand that carries the Honeywell Home line of residential heating controls. It pairs a motorized actuator with a 3\/4-inch sweat valve body to start and stop hot water flow to a single heating zone on a call from a thermostat or zone panel.\u003c\/p\u003e\u003cp\u003eThe valve is \u003cstrong\u003enormally closed\u003c\/strong\u003e. It stays shut until the actuator is energized and returns to the closed position when power is removed, so a zone drops out on a power failure or a thermostat fault instead of running unattended. That is the safer default on a boiler loop feeding radiators, convectors, finned baseboard, or in-floor radiant tubing.\u003c\/p\u003e\u003cp\u003eThe 3\/4-inch sweat connections tie the valve into the supply piping, and the V8043A5029 handles supply water at operating pressures up to \u003cstrong\u003e300 psi\u003c\/strong\u003e. \u003c\/p\u003e\u003cp\u003eThis is a \u003cstrong\u003eQuickFit\u003c\/strong\u003e model: the actuator head releases from the valve body without breaking the piping connection, so a failed motor is changed out without draining the system or unsoldering anything.\u003c\/p\u003e\u003cp\u003eThe V8043 and V4043 series have been the reference zone valves in North American hydronic heating for decades, and most contractors still order them by the original Honeywell part number. The actuator head is field-replaceable, so a burned-out motor does not mean cutting the body out of the line.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eReplacement head and motor for this valve\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-vac-50-60-hz-replacement-head-for-v8043a\"\u003eResideo 40003916-021\/U 24 Vac, 50\/60 Hz Replacement head for V8043A\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/replacement-head-for-v8043a-5000-series-24-v-ac-50-60-hz\"\u003eResideo 40003916-521\/U Replacement Head for V8043A, 5000 series, 24 V AC, 50\/60 Hz\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-volt-replacement-motor-for-v8043-and-v8044\"\u003eResideo 802360JA\/U 24-Volt Replacement Motor for V8043 and V8044\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\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 V8043A5029\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve action:\u003c\/strong\u003e Normally closed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 Vac\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection size:\u003c\/strong\u003e 3\/4 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection type:\u003c\/strong\u003e Sweat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuickFit actuator:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax operating pressure:\u003c\/strong\u003e 300 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Valves\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351329599591,"sku":"HONE-V8043A5029\/U","price":127.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/V8043E5012-c1-6.jpg?v=1785816079"},{"product_id":"24-vac-1-2-in-sweat-n-o-zone-valve","title":"Resideo V8043B1019\/U 24 Vac 1\/2 in Sweat N.O. Zone Valve","description":"\u003cp\u003eThe V8043B1019 is a two-position hydronic zone valve from Resideo, the brand that carries the Honeywell Home line of residential heating controls. It pairs a motorized actuator with a 1\/2-inch sweat valve body to start and stop hot water flow to a single heating zone on a call from a thermostat or zone panel.\u003c\/p\u003e\u003cp\u003eThe valve is \u003cstrong\u003enormally open\u003c\/strong\u003e. It passes flow with no power applied and closes when the actuator is energized. Normally open is the right choice where a zone has to keep circulating if the control power drops — freeze protection on an exposed loop is the usual reason to specify it.\u003c\/p\u003e\u003cp\u003eThe 1\/2-inch sweat connections tie the valve into the supply piping, and the V8043B1019 handles supply water at operating pressures up to \u003cstrong\u003e300 psi\u003c\/strong\u003e. \u003c\/p\u003e\u003cp\u003eThe V8043 and V4043 series have been the reference zone valves in North American hydronic heating for decades, and most contractors still order them by the original Honeywell part number. The actuator head is field-replaceable, so a burned-out motor does not mean cutting the body out of the line.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eReplacement head and motor for this valve\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/replacement-head-for-v8043b-24-v-ac-50-60-hz-normally-open\"\u003eResideo 40003916-027\/U Replacement Head for V8043B, 24 V AC, 50\/60 Hz, Normally Open\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-volt-replacement-motor-for-v8043-and-v8044\"\u003eResideo 802360JA\/U 24-Volt Replacement Motor for V8043 and V8044\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\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 V8043B1019\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve action:\u003c\/strong\u003e Normally open\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 Vac\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection size:\u003c\/strong\u003e 1\/2 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection type:\u003c\/strong\u003e Sweat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax operating pressure:\u003c\/strong\u003e 300 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Valves\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351329632359,"sku":"HONE-V8043B1019\/U","price":131.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/V8043-c10-6_3ed828c6-2e25-48c4-994a-9508638b5fcb.jpg?v=1785816081"},{"product_id":"24-vac-3-4-in-sweat-n-o-zone-valve","title":"Resideo V8043B1027\/U 24 Vac 3\/4 in Sweat N.O. Zone Valve","description":"\u003cp\u003eThe V8043B1027 is a two-position hydronic zone valve from Resideo, the brand that carries the Honeywell Home line of residential heating controls. It pairs a motorized actuator with a 3\/4-inch sweat valve body to start and stop hot water flow to a single heating zone on a call from a thermostat or zone panel.\u003c\/p\u003e\u003cp\u003eThe valve is \u003cstrong\u003enormally open\u003c\/strong\u003e. It passes flow with no power applied and closes when the actuator is energized. Normally open is the right choice where a zone has to keep circulating if the control power drops — freeze protection on an exposed loop is the usual reason to specify it.\u003c\/p\u003e\u003cp\u003eThe 3\/4-inch sweat connections tie the valve into the supply piping, and the V8043B1027 handles supply water at operating pressures up to \u003cstrong\u003e300 psi\u003c\/strong\u003e. \u003c\/p\u003e\u003cp\u003eThe V8043 and V4043 series have been the reference zone valves in North American hydronic heating for decades, and most contractors still order them by the original Honeywell part number. The actuator head is field-replaceable, so a burned-out motor does not mean cutting the body out of the line.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eReplacement head and motor for this valve\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/replacement-head-for-v8043b-24-v-ac-50-60-hz-normally-open\"\u003eResideo 40003916-027\/U Replacement Head for V8043B, 24 V AC, 50\/60 Hz, Normally Open\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/24-volt-replacement-motor-for-v8043-and-v8044\"\u003eResideo 802360JA\/U 24-Volt Replacement Motor for V8043 and V8044\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\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 V8043B1027\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve action:\u003c\/strong\u003e Normally open\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 Vac\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection size:\u003c\/strong\u003e 3\/4 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection type:\u003c\/strong\u003e Sweat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax operating pressure:\u003c\/strong\u003e 300 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Zone Valves\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351329665127,"sku":"HONE-V8043B1027\/U","price":140.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/V8043-c10-6_da3a6d76-7017-4027-b6fb-f72133a3dc3a.jpg?v=1785816083"}],"url":"https:\/\/www.thehousesupplier.com\/collections\/zone-valves.oembed?page=3","provider":"The House Supplier","version":"1.0","type":"link"}