{"title":"Boiler Trim Kits","description":"\u003cp\u003eBoiler Trim Kits stocked at The House Supplier, in 25\" and 1\".\u003c\/p\u003e\u003cp\u003eStocked from Resideo.\u003c\/p\u003e","products":[{"product_id":"tk30-boiler-trim-kit-with-1-press-supervent-press-nk300s-combo","title":"Resideo TK30PV100PNKP\/U TK30 Boiler Trim Kit with 1\" Press SuperVent®, Press NK300S Combo","description":"\u003cp\u003eThe TK30PV100PNKP is a TK30 boiler trim kit from Resideo (Honeywell Home) — 4.4 gal expansion tank.\u003c\/p\u003e\u003cp\u003eA boiler needs the same four things at every installation: somewhere for the water to go when it expands, somewhere for the air to go, a way to fill, and a check so the fill cannot run backwards. A trim kit is those four parts matched to each other and bought once, instead of four line items that turn out not to thread together.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe expansion tank is the one that gets sized wrong.\u003c\/strong\u003e Water expands about 4% between cold fill and operating temperature, and it is not compressible — without somewhere to go, that expansion becomes pressure, and the relief valve becomes the expansion tank. A relief valve that weeps every afternoon is almost always a tank that is too small, waterlogged or set to the wrong precharge.\u003c\/p\u003e\u003cp\u003eThis kit carries a \u003cstrong\u003e4.4 gal\u003c\/strong\u003e tank with \u003cstrong\u003e2.5 gal\u003c\/strong\u003e of acceptance volume — acceptance being the part that matters, since it is how much expanded water the tank can actually take before pressure starts to climb.\u003c\/p\u003e\u003cp\u003eThe kit is built around TK300-30, PV100P, NK300S-100UP.\u003c\/p\u003e\u003cp\u003ePress fittings are made cold, with a tool rather than a torch — which is what gets the job done in a finished basement or anywhere a hot work permit is the long pole.\u003c\/p\u003e\u003cp\u003eSet the tank precharge to the system cold fill pressure before the tank goes on the line. A tank charged at the factory default on a system filled to something else is a tank working at part of its capacity from day one.\u003c\/p\u003e\u003cp\u003eWe stock these kit parts individually too: \u003ca href=\"\/products\/1-inch-supervent-air-eliminator-with-a-1-inch-propress-connections-and-22-cv-capacity\"\u003ePV100P\u003c\/a\u003e, \u003ca href=\"\/products\/combination-boiler-feed-valve-with-union-press-fitting-connections\"\u003eNK300S-100UP\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 TK30PV100PNKP\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e TK30 boiler trim kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e TK300-30, PV100P, NK300S-100UP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank volume:\u003c\/strong\u003e 4.4 gal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcceptance volume:\u003c\/strong\u003e 2.5 gal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank diameter:\u003c\/strong\u003e 11 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank height:\u003c\/strong\u003e 15 1\/2 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnections:\u003c\/strong\u003e Tank: Male NPT; SuperVent: Press; Combo Valve: Press\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection sizes:\u003c\/strong\u003e SuperVent: 1 in; Tank: 1\/2 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum temperature:\u003c\/strong\u003e 240 F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum pressure:\u003c\/strong\u003e 100 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 194159005655\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Boiler Trim Kits\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351327797351,"sku":"HONE-TK30PV100PNKP\/U","price":490.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TK30PV100PNKP-c2-6.jpg?v=1785816037"},{"product_id":"tk30-boiler-trim-kit-with-1-sweat-supervent-fm911-combo","title":"Resideo TK30PV100SFM\/U TK30 Boiler Trim Kit with 1\" Sweat SuperVent, FM911 Combo","description":"\u003cp\u003eThe TK30PV100SFM is a TK30 boiler trim kit from Resideo (Honeywell Home) — 4.4 gal expansion tank.\u003c\/p\u003e\u003cp\u003eA boiler needs the same four things at every installation: somewhere for the water to go when it expands, somewhere for the air to go, a way to fill, and a check so the fill cannot run backwards. A trim kit is those four parts matched to each other and bought once, instead of four line items that turn out not to thread together.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe expansion tank is the one that gets sized wrong.\u003c\/strong\u003e Water expands about 4% between cold fill and operating temperature, and it is not compressible — without somewhere to go, that expansion becomes pressure, and the relief valve becomes the expansion tank. A relief valve that weeps every afternoon is almost always a tank that is too small, waterlogged or set to the wrong precharge.\u003c\/p\u003e\u003cp\u003eThis kit carries a \u003cstrong\u003e4.4 gal\u003c\/strong\u003e tank with \u003cstrong\u003e2.5 gal\u003c\/strong\u003e of acceptance volume — acceptance being the part that matters, since it is how much expanded water the tank can actually take before pressure starts to climb.\u003c\/p\u003e\u003cp\u003eThe kit is built around TK300-30, PV100S, SCV-050, FM911.\u003c\/p\u003e\u003cp\u003eSweat joints are soldered. It is the cheapest connection in parts and the one that needs the pipe dry and the flame allowed.\u003c\/p\u003e\u003cp\u003eSet the tank precharge to the system cold fill pressure before the tank goes on the line. A tank charged at the factory default on a system filled to something else is a tank working at part of its capacity from day one.\u003c\/p\u003e\u003cp\u003eWe stock these kit parts individually too: \u003ca href=\"\/products\/1-in-sweat-connection-supervent-air-eliminator\"\u003ePV100S\u003c\/a\u003e, \u003ca href=\"\/products\/service-check-valve\"\u003eSCV-050\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 TK30PV100SFM\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e TK30 boiler trim kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e TK300-30, PV100S, SCV-050, FM911\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank volume:\u003c\/strong\u003e 4.4 gal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcceptance volume:\u003c\/strong\u003e 2.5 gal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank diameter:\u003c\/strong\u003e 11 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank height:\u003c\/strong\u003e 15 1\/2 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnections:\u003c\/strong\u003e Tank: Male NPT; SuperVent: Sweat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection sizes:\u003c\/strong\u003e SuperVent: 1 in; Tank: 1\/2 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum temperature:\u003c\/strong\u003e 240 F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum pressure:\u003c\/strong\u003e 100 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Boiler Trim Kits\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351327830119,"sku":"HONE-TK30PV100SFM\/U","price":402.42,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TK30PV-c4-6.jpg?v=1785816038"},{"product_id":"tk30-boiler-trim-kit-with-1-sweat-supervent-nk300s-combo","title":"Resideo TK30PV100SNK\/U TK30 Boiler Trim Kit with 1\" Sweat SuperVent, NK300S Combo","description":"\u003cp\u003eThe TK30PV100SNK is a TK30 boiler trim kit from Resideo (Honeywell Home) — 4.4 gal expansion tank.\u003c\/p\u003e\u003cp\u003eA boiler needs the same four things at every installation: somewhere for the water to go when it expands, somewhere for the air to go, a way to fill, and a check so the fill cannot run backwards. A trim kit is those four parts matched to each other and bought once, instead of four line items that turn out not to thread together.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe expansion tank is the one that gets sized wrong.\u003c\/strong\u003e Water expands about 4% between cold fill and operating temperature, and it is not compressible — without somewhere to go, that expansion becomes pressure, and the relief valve becomes the expansion tank. A relief valve that weeps every afternoon is almost always a tank that is too small, waterlogged or set to the wrong precharge.\u003c\/p\u003e\u003cp\u003eThis kit carries a \u003cstrong\u003e4.4 gal\u003c\/strong\u003e tank with \u003cstrong\u003e2.5 gal\u003c\/strong\u003e of acceptance volume — acceptance being the part that matters, since it is how much expanded water the tank can actually take before pressure starts to climb.\u003c\/p\u003e\u003cp\u003eThe kit is built around TK300-30, PV100S, SCV-050, NK300S-100.\u003c\/p\u003e\u003cp\u003eSweat joints are soldered. It is the cheapest connection in parts and the one that needs the pipe dry and the flame allowed.\u003c\/p\u003e\u003cp\u003eSet the tank precharge to the system cold fill pressure before the tank goes on the line. A tank charged at the factory default on a system filled to something else is a tank working at part of its capacity from day one.\u003c\/p\u003e\u003cp\u003eWe stock these kit parts individually too: \u003ca href=\"\/products\/1-in-sweat-connection-supervent-air-eliminator\"\u003ePV100S\u003c\/a\u003e, \u003ca href=\"\/products\/service-check-valve\"\u003eSCV-050\u003c\/a\u003e, \u003ca href=\"\/products\/combination-boiler-feed-valve-with-sweat-and-threaded-connections\"\u003eNK300S-100\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 TK30PV100SNK\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e TK30 boiler trim kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e TK300-30, PV100S, SCV-050, NK300S-100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank volume:\u003c\/strong\u003e 4.4 gal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcceptance volume:\u003c\/strong\u003e 2.5 gal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank diameter:\u003c\/strong\u003e 11 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank height:\u003c\/strong\u003e 15 1\/2 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnections:\u003c\/strong\u003e Tank: Male NPT; SuperVent: Sweat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection sizes:\u003c\/strong\u003e SuperVent: 1 in; Tank: 1\/2 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum temperature:\u003c\/strong\u003e 180 F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum pressure:\u003c\/strong\u003e 100 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267561013\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Boiler Trim Kits\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351327862887,"sku":"HONE-TK30PV100SNK\/U","price":481.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TK30PV100SNK-c2-6.jpg?v=1785816039"},{"product_id":"tk30-boiler-trim-kit-with-1-25-npt-supervent-fm911-combo","title":"Resideo TK30PV125FM\/U TK30 Boiler Trim Kit with 1.25\" NPT SuperVent, FM911 Combo","description":"\u003cp\u003eThe TK30PV125FM is a TK30 boiler trim kit from Resideo (Honeywell Home) — 4.4 gal expansion tank.\u003c\/p\u003e\u003cp\u003eA boiler needs the same four things at every installation: somewhere for the water to go when it expands, somewhere for the air to go, a way to fill, and a check so the fill cannot run backwards. A trim kit is those four parts matched to each other and bought once, instead of four line items that turn out not to thread together.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe expansion tank is the one that gets sized wrong.\u003c\/strong\u003e Water expands about 4% between cold fill and operating temperature, and it is not compressible — without somewhere to go, that expansion becomes pressure, and the relief valve becomes the expansion tank. A relief valve that weeps every afternoon is almost always a tank that is too small, waterlogged or set to the wrong precharge.\u003c\/p\u003e\u003cp\u003eThis kit carries a \u003cstrong\u003e4.4 gal\u003c\/strong\u003e tank with \u003cstrong\u003e2.5 gal\u003c\/strong\u003e of acceptance volume — acceptance being the part that matters, since it is how much expanded water the tank can actually take before pressure starts to climb.\u003c\/p\u003e\u003cp\u003eThe kit is built around TK300-30, PV125, SCV-050, FM911.\u003c\/p\u003e\u003cp\u003eThreaded NPT connects to anything and comes apart again, which matters on a component that may be serviced.\u003c\/p\u003e\u003cp\u003eSet the tank precharge to the system cold fill pressure before the tank goes on the line. A tank charged at the factory default on a system filled to something else is a tank working at part of its capacity from day one.\u003c\/p\u003e\u003cp\u003eWe stock these kit parts individually too: \u003ca href=\"\/products\/1-1-4-in-npt-connection-supervent-air-eliminator\"\u003ePV125\u003c\/a\u003e, \u003ca href=\"\/products\/service-check-valve\"\u003eSCV-050\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 TK30PV125FM\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e TK30 boiler trim kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e TK300-30, PV125, SCV-050, FM911\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank volume:\u003c\/strong\u003e 4.4 gal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcceptance volume:\u003c\/strong\u003e 2.5 gal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank diameter:\u003c\/strong\u003e 11 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank height:\u003c\/strong\u003e 15 1\/2 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnections:\u003c\/strong\u003e SuperVent: Female NPT; Tank: Male NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection sizes:\u003c\/strong\u003e SuperVent: 1 1\/4 in; Tank: 1\/2 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum temperature:\u003c\/strong\u003e 240 F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum pressure:\u003c\/strong\u003e 100 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267260534\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Boiler Trim Kits\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351327895655,"sku":"HONE-TK30PV125FM\/U","price":416.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TK30PV-c4-6_9b98c8d8-35dc-4dea-b56c-4c24e9d1b361.jpg?v=1785816041"},{"product_id":"tk30-boiler-trim-kit-with-1-25-press-supervent-press-nk300s-combo","title":"Resideo TK30PV125PNKP\/U TK30 Boiler Trim Kit with 1.25\" Press SuperVent®, Press NK300S Combo","description":"\u003cp\u003eThe TK30PV125PNKP is a TK30 boiler trim kit from Resideo (Honeywell Home) — 4.4 gal expansion tank.\u003c\/p\u003e\u003cp\u003eA boiler needs the same four things at every installation: somewhere for the water to go when it expands, somewhere for the air to go, a way to fill, and a check so the fill cannot run backwards. A trim kit is those four parts matched to each other and bought once, instead of four line items that turn out not to thread together.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe expansion tank is the one that gets sized wrong.\u003c\/strong\u003e Water expands about 4% between cold fill and operating temperature, and it is not compressible — without somewhere to go, that expansion becomes pressure, and the relief valve becomes the expansion tank. A relief valve that weeps every afternoon is almost always a tank that is too small, waterlogged or set to the wrong precharge.\u003c\/p\u003e\u003cp\u003eThis kit carries a \u003cstrong\u003e4.4 gal\u003c\/strong\u003e tank with \u003cstrong\u003e2.5 gal\u003c\/strong\u003e of acceptance volume — acceptance being the part that matters, since it is how much expanded water the tank can actually take before pressure starts to climb.\u003c\/p\u003e\u003cp\u003eThe kit is built around TK300-30, PV125P, NK300S-100UP.\u003c\/p\u003e\u003cp\u003ePress fittings are made cold, with a tool rather than a torch — which is what gets the job done in a finished basement or anywhere a hot work permit is the long pole.\u003c\/p\u003e\u003cp\u003eSet the tank precharge to the system cold fill pressure before the tank goes on the line. A tank charged at the factory default on a system filled to something else is a tank working at part of its capacity from day one.\u003c\/p\u003e\u003cp\u003eWe stock these kit parts individually too: \u003ca href=\"\/products\/1-1-4-in-supervent-air-eliminator-with-a-1-in-pro-press-connection\"\u003ePV125P\u003c\/a\u003e, \u003ca href=\"\/products\/combination-boiler-feed-valve-with-union-press-fitting-connections\"\u003eNK300S-100UP\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 TK30PV125PNKP\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e TK30 boiler trim kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e TK300-30, PV125P, NK300S-100UP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank volume:\u003c\/strong\u003e 4.4 gal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcceptance volume:\u003c\/strong\u003e 2.5 gal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank diameter:\u003c\/strong\u003e 11 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank height:\u003c\/strong\u003e 15 1\/2 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnections:\u003c\/strong\u003e Tank: Male NPT; SuperVent: Press; Combo Valve: Press\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection sizes:\u003c\/strong\u003e SuperVent: 1 1\/4 in; Tank: 1\/2 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum temperature:\u003c\/strong\u003e 240 F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum pressure:\u003c\/strong\u003e 100 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 194159005662\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Boiler Trim Kits\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351327928423,"sku":"HONE-TK30PV125PNKP\/U","price":517.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TK30PV100PNKP-c2-6_2343dbdd-e335-4047-833d-2de04edcd7c3.jpg?v=1785816041"},{"product_id":"tk30-boiler-trim-kit-with-1-25-sweat-supervent-fm911-combo","title":"Resideo TK30PV125SFM\/U TK30 Boiler Trim Kit with 1.25\" Sweat SuperVent, FM911 Combo","description":"\u003cp\u003eThe TK30PV125SFM is a TK30 boiler trim kit from Resideo (Honeywell Home) — 4.4 gal expansion tank.\u003c\/p\u003e\u003cp\u003eA boiler needs the same four things at every installation: somewhere for the water to go when it expands, somewhere for the air to go, a way to fill, and a check so the fill cannot run backwards. A trim kit is those four parts matched to each other and bought once, instead of four line items that turn out not to thread together.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe expansion tank is the one that gets sized wrong.\u003c\/strong\u003e Water expands about 4% between cold fill and operating temperature, and it is not compressible — without somewhere to go, that expansion becomes pressure, and the relief valve becomes the expansion tank. A relief valve that weeps every afternoon is almost always a tank that is too small, waterlogged or set to the wrong precharge.\u003c\/p\u003e\u003cp\u003eThis kit carries a \u003cstrong\u003e4.4 gal\u003c\/strong\u003e tank with \u003cstrong\u003e2.5 gal\u003c\/strong\u003e of acceptance volume — acceptance being the part that matters, since it is how much expanded water the tank can actually take before pressure starts to climb.\u003c\/p\u003e\u003cp\u003eThe kit is built around TK300-30, PV125S, SCV-050, FM911.\u003c\/p\u003e\u003cp\u003eSweat joints are soldered. It is the cheapest connection in parts and the one that needs the pipe dry and the flame allowed.\u003c\/p\u003e\u003cp\u003eSet the tank precharge to the system cold fill pressure before the tank goes on the line. A tank charged at the factory default on a system filled to something else is a tank working at part of its capacity from day one.\u003c\/p\u003e\u003cp\u003eWe stock these kit parts individually too: \u003ca href=\"\/products\/1-1-4-supervent-air-eliminator-sweat\"\u003ePV125S\u003c\/a\u003e, \u003ca href=\"\/products\/service-check-valve\"\u003eSCV-050\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 TK30PV125SFM\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e TK30 boiler trim kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e TK300-30, PV125S, SCV-050, FM911\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank volume:\u003c\/strong\u003e 4.4 gal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcceptance volume:\u003c\/strong\u003e 2.5 gal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank diameter:\u003c\/strong\u003e 11 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank height:\u003c\/strong\u003e 15 1\/2 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnections:\u003c\/strong\u003e Tank: Male NPT; SuperVent: Sweat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection sizes:\u003c\/strong\u003e SuperVent: 1 1\/4 in; Tank: 1\/2 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum temperature:\u003c\/strong\u003e 240 F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum pressure:\u003c\/strong\u003e 100 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Boiler Trim Kits\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351328452711,"sku":"HONE-TK30PV125SFM\/U","price":416.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TK30PV-c4-6_a6d7e866-35c9-411c-b619-2f8f27215524.jpg?v=1785816043"},{"product_id":"tk30-boiler-trim-kit-with-1-25-sweat-supervent-nk300s-combo","title":"Resideo TK30PV125SNK\/U TK30 Boiler Trim Kit with 1.25\" Sweat SuperVent, NK300S Combo","description":"\u003cp\u003eThe TK30PV125SNK is a TK30 boiler trim kit from Resideo (Honeywell Home) — 4.4 gal expansion tank.\u003c\/p\u003e\u003cp\u003eA boiler needs the same four things at every installation: somewhere for the water to go when it expands, somewhere for the air to go, a way to fill, and a check so the fill cannot run backwards. A trim kit is those four parts matched to each other and bought once, instead of four line items that turn out not to thread together.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe expansion tank is the one that gets sized wrong.\u003c\/strong\u003e Water expands about 4% between cold fill and operating temperature, and it is not compressible — without somewhere to go, that expansion becomes pressure, and the relief valve becomes the expansion tank. A relief valve that weeps every afternoon is almost always a tank that is too small, waterlogged or set to the wrong precharge.\u003c\/p\u003e\u003cp\u003eThis kit carries a \u003cstrong\u003e4.4 gal\u003c\/strong\u003e tank with \u003cstrong\u003e2.5 gal\u003c\/strong\u003e of acceptance volume — acceptance being the part that matters, since it is how much expanded water the tank can actually take before pressure starts to climb.\u003c\/p\u003e\u003cp\u003eThe kit is built around TK300-30, PV125S, SCV-050, NK300S-100.\u003c\/p\u003e\u003cp\u003eSweat joints are soldered. It is the cheapest connection in parts and the one that needs the pipe dry and the flame allowed.\u003c\/p\u003e\u003cp\u003eSet the tank precharge to the system cold fill pressure before the tank goes on the line. A tank charged at the factory default on a system filled to something else is a tank working at part of its capacity from day one.\u003c\/p\u003e\u003cp\u003eWe stock these kit parts individually too: \u003ca href=\"\/products\/1-1-4-supervent-air-eliminator-sweat\"\u003ePV125S\u003c\/a\u003e, \u003ca href=\"\/products\/service-check-valve\"\u003eSCV-050\u003c\/a\u003e, \u003ca href=\"\/products\/combination-boiler-feed-valve-with-sweat-and-threaded-connections\"\u003eNK300S-100\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 TK30PV125SNK\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e TK30 boiler trim kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e TK300-30, PV125S, SCV-050, NK300S-100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank volume:\u003c\/strong\u003e 4.4 gal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcceptance volume:\u003c\/strong\u003e 2.5 gal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank diameter:\u003c\/strong\u003e 11 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank height:\u003c\/strong\u003e 15 1\/2 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnections:\u003c\/strong\u003e Tank: Male NPT; SuperVent: Sweat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection sizes:\u003c\/strong\u003e SuperVent: 1 1\/4 in; Tank: 1\/2 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum temperature:\u003c\/strong\u003e 180 F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum pressure:\u003c\/strong\u003e 100 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 085267568371\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Boiler Trim Kits\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":44351328485479,"sku":"HONE-TK30PV125SNK\/U","price":493.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2253\/3479\/files\/TK30PV100SNK-c2-6_64d8d61d-2820-4fac-a53c-26bb224d24ea.jpg?v=1785816044"}],"url":"https:\/\/www.thehousesupplier.com\/collections\/boiler-trim-kits.oembed","provider":"The House Supplier","version":"1.0","type":"link"}