{"title":"Furnace Pressure Switches","description":"\u003cp\u003eThe pressure switch confirms the draft inducer is actually moving air before the control board will open the gas valve. It is a safety, and it fails closed far less often than the thing it is measuring fails.\u003c\/p\u003e\u003cp\u003eA furnace that runs the inducer, waits, and then shuts down with a pressure-switch code usually has a blocked vent, a cracked or water-filled hose, or a clogged condensate trap. Rule those out first. Match the set point in inches of water column and the switching action.\u003c\/p\u003e\u003cp class=\"fd-coll-terms\"\u003eShips the same business day on orders placed by 2 PM CT. 7-day returns on parts. Not sure which one you need? Call \u003cstrong\u003e(888) 762-1334\u003c\/strong\u003e — we are licensed HVAC contractors (Hamlin Mechanical LLC, MN Lic. #128688) and we would rather talk you out of the wrong part than sell it to you.\u003c\/p\u003e","products":[{"product_id":"furnace-pressure-switch-ns2000031","title":"Furnace Pressure Switch | NS2000031","description":"\u003cp\u003e\u003cstrong\u003eFurnace Pressure Switch\u003c\/strong\u003e — manufacturer part number \u003cstrong\u003eNS2000031\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhat this part does\u003c\/h2\u003e\u003cp\u003eThe pressure switch proves the inducer is actually moving exhaust before the board will open the gas valve. It senses vacuum through a small hose. Blocked hoses, a blocked flue, or water in the condensate trap all make it fail to close.\u003c\/p\u003e\n\u003ch2\u003eReplace this part if\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eInducer runs but the igniter never glows\u003c\/li\u003e\n\u003cli\u003eBoard flashes a pressure-switch or open-circuit code\u003c\/li\u003e\n\u003cli\u003eFurnace tries repeatedly then locks out\u003c\/li\u003e\n\u003cli\u003eSwitch hose is cracked, kinked, or full of water\u003c\/li\u003e\n\u003cli\u003eSwitch does not click when the inducer starts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eNS2000031\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003eFurnace Direct (Hamlin Mechanical LLC, MN Lic. #128688)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eInstall difficulty\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEasy\u003c\/strong\u003e — about 25 minutes. Tools: Nut driver, screwdriver. Power off at the breaker: yes. Gas shutoff required: no.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSafety warning:\u003c\/strong\u003e Check the hose and the condensate trap before replacing the switch. A blocked drain is a more common cause than a failed switch, and it costs nothing to clear.\u003c\/p\u003e\n\u003cp\u003eTypical service life is 8-15 years.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eHow do I know if my furnace pressure switch is bad?\u003c\/h3\u003e\u003cp\u003eReplace it if you see any of these: inducer runs but the igniter never glows; board flashes a pressure-switch or open-circuit code; furnace tries repeatedly then locks out.\u003c\/p\u003e\n\u003ch3\u003eCan I replace a furnace pressure switch myself?\u003c\/h3\u003e\u003cp\u003eYes. This is a easy repair that takes about 25 minutes with nut driver, screwdriver. Always shut the power off at the breaker first. Check the hose and the condensate trap before replacing the switch. A blocked drain is a more common cause than a failed switch, and it costs nothing to clear.\u003c\/p\u003e\n\u003ch3\u003eHow long does a furnace pressure switch last?\u003c\/h3\u003e\u003cp\u003eTypically 8-15 years in normal residential use. Heavy cycling, poor airflow, and dirty filters all shorten that.\u003c\/p\u003e\n\n\u003ch3\u003eWhat if it does not fit?\u003c\/h3\u003e\u003cp\u003eReturn it within 7 days of delivery. If you are unsure before ordering, call (888) 762-1334 — we are licensed HVAC contractors and can confirm the right part for your model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSold by licensed HVAC contractors.\u003c\/strong\u003e Furnace Direct is Hamlin Mechanical LLC, Minnesota licence #128688. If this part does not fix the problem, call (888) 762-1334 and we will help you work out what will.\u003c\/p\u003e","brand":"Supco","offers":[{"title":"Default Title","offer_id":58271394529583,"sku":"NS2000031","price":565.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/2111\/2367\/files\/NS2000031.jpg?v=1785719614"},{"product_id":"furnace-pressure-switch-2374-523","title":"Furnace Pressure Switch | 2374-523","description":"\u003cp\u003e\u003cstrong\u003eFurnace Pressure Switch\u003c\/strong\u003e — manufacturer part number \u003cstrong\u003e2374-523\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhat this part does\u003c\/h2\u003e\u003cp\u003eThe pressure switch proves the inducer is actually moving exhaust before the board will open the gas valve. It senses vacuum through a small hose. Blocked hoses, a blocked flue, or water in the condensate trap all make it fail to close.\u003c\/p\u003e\n\u003ch2\u003eReplace this part if\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eInducer runs but the igniter never glows\u003c\/li\u003e\n\u003cli\u003eBoard flashes a pressure-switch or open-circuit code\u003c\/li\u003e\n\u003cli\u003eFurnace tries repeatedly then locks out\u003c\/li\u003e\n\u003cli\u003eSwitch hose is cracked, kinked, or full of water\u003c\/li\u003e\n\u003cli\u003eSwitch does not click when the inducer starts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003e2374-523\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003eFurnace Direct (Hamlin Mechanical LLC, MN Lic. #128688)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eInstall difficulty\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEasy\u003c\/strong\u003e — about 25 minutes. Tools: Nut driver, screwdriver. Power off at the breaker: yes. Gas shutoff required: no.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSafety warning:\u003c\/strong\u003e Check the hose and the condensate trap before replacing the switch. A blocked drain is a more common cause than a failed switch, and it costs nothing to clear.\u003c\/p\u003e\n\u003cp\u003eTypical service life is 8-15 years.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eHow do I know if my furnace pressure switch is bad?\u003c\/h3\u003e\u003cp\u003eReplace it if you see any of these: inducer runs but the igniter never glows; board flashes a pressure-switch or open-circuit code; furnace tries repeatedly then locks out.\u003c\/p\u003e\n\u003ch3\u003eCan I replace a furnace pressure switch myself?\u003c\/h3\u003e\u003cp\u003eYes. This is a easy repair that takes about 25 minutes with nut driver, screwdriver. Always shut the power off at the breaker first. Check the hose and the condensate trap before replacing the switch. A blocked drain is a more common cause than a failed switch, and it costs nothing to clear.\u003c\/p\u003e\n\u003ch3\u003eHow long does a furnace pressure switch last?\u003c\/h3\u003e\u003cp\u003eTypically 8-15 years in normal residential use. Heavy cycling, poor airflow, and dirty filters all shorten that.\u003c\/p\u003e\n\n\u003ch3\u003eWhat if it does not fit?\u003c\/h3\u003e\u003cp\u003eReturn it within 7 days of delivery. If you are unsure before ordering, call (888) 762-1334 — we are licensed HVAC contractors and can confirm the right part for your model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSold by licensed HVAC contractors.\u003c\/strong\u003e Furnace Direct is Hamlin Mechanical LLC, Minnesota licence #128688. If this part does not fix the problem, call (888) 762-1334 and we will help you work out what will.\u003c\/p\u003e","brand":"Robertshaw","offers":[{"title":"Default Title","offer_id":58271394562351,"sku":"2374-523","price":570.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/2111\/2367\/files\/2374-523.jpg?v=1785719615"},{"product_id":"furnace-pressure-switch-2374-522","title":"Furnace Pressure Switch | 2374-522","description":"\u003cp\u003e\u003cstrong\u003eFurnace Pressure Switch\u003c\/strong\u003e — manufacturer part number \u003cstrong\u003e2374-522\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhat this part does\u003c\/h2\u003e\u003cp\u003eThe pressure switch proves the inducer is actually moving exhaust before the board will open the gas valve. It senses vacuum through a small hose. Blocked hoses, a blocked flue, or water in the condensate trap all make it fail to close.\u003c\/p\u003e\n\u003ch2\u003eReplace this part if\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eInducer runs but the igniter never glows\u003c\/li\u003e\n\u003cli\u003eBoard flashes a pressure-switch or open-circuit code\u003c\/li\u003e\n\u003cli\u003eFurnace tries repeatedly then locks out\u003c\/li\u003e\n\u003cli\u003eSwitch hose is cracked, kinked, or full of water\u003c\/li\u003e\n\u003cli\u003eSwitch does not click when the inducer starts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003e2374-522\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003eFurnace Direct (Hamlin Mechanical LLC, MN Lic. #128688)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eInstall difficulty\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEasy\u003c\/strong\u003e — about 25 minutes. Tools: Nut driver, screwdriver. Power off at the breaker: yes. Gas shutoff required: no.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSafety warning:\u003c\/strong\u003e Check the hose and the condensate trap before replacing the switch. A blocked drain is a more common cause than a failed switch, and it costs nothing to clear.\u003c\/p\u003e\n\u003cp\u003eTypical service life is 8-15 years.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eHow do I know if my furnace pressure switch is bad?\u003c\/h3\u003e\u003cp\u003eReplace it if you see any of these: inducer runs but the igniter never glows; board flashes a pressure-switch or open-circuit code; furnace tries repeatedly then locks out.\u003c\/p\u003e\n\u003ch3\u003eCan I replace a furnace pressure switch myself?\u003c\/h3\u003e\u003cp\u003eYes. This is a easy repair that takes about 25 minutes with nut driver, screwdriver. Always shut the power off at the breaker first. Check the hose and the condensate trap before replacing the switch. A blocked drain is a more common cause than a failed switch, and it costs nothing to clear.\u003c\/p\u003e\n\u003ch3\u003eHow long does a furnace pressure switch last?\u003c\/h3\u003e\u003cp\u003eTypically 8-15 years in normal residential use. Heavy cycling, poor airflow, and dirty filters all shorten that.\u003c\/p\u003e\n\n\u003ch3\u003eWhat if it does not fit?\u003c\/h3\u003e\u003cp\u003eReturn it within 7 days of delivery. If you are unsure before ordering, call (888) 762-1334 — we are licensed HVAC contractors and can confirm the right part for your model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSold by licensed HVAC contractors.\u003c\/strong\u003e Furnace Direct is Hamlin Mechanical LLC, Minnesota licence #128688. If this part does not fix the problem, call (888) 762-1334 and we will help you work out what will.\u003c\/p\u003e","brand":"Robertshaw","offers":[{"title":"Default Title","offer_id":58271394595119,"sku":"2374-522","price":570.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/2111\/2367\/files\/2374-522.jpg?v=1785719616"},{"product_id":"furnace-pressure-switch-632491r","title":"Furnace Pressure Switch | 632491R","description":"\u003cp\u003e\u003cstrong\u003eFurnace Pressure Switch\u003c\/strong\u003e — manufacturer part number \u003cstrong\u003e632491R\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhat this part does\u003c\/h2\u003e\u003cp\u003eThe pressure switch proves the inducer is actually moving exhaust before the board will open the gas valve. It senses vacuum through a small hose. Blocked hoses, a blocked flue, or water in the condensate trap all make it fail to close.\u003c\/p\u003e\n\u003ch2\u003eReplace this part if\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eInducer runs but the igniter never glows\u003c\/li\u003e\n\u003cli\u003eBoard flashes a pressure-switch or open-circuit code\u003c\/li\u003e\n\u003cli\u003eFurnace tries repeatedly then locks out\u003c\/li\u003e\n\u003cli\u003eSwitch hose is cracked, kinked, or full of water\u003c\/li\u003e\n\u003cli\u003eSwitch does not click when the inducer starts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003e632491R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003eFurnace Direct (Hamlin Mechanical LLC, MN Lic. #128688)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eInstall difficulty\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEasy\u003c\/strong\u003e — about 25 minutes. Tools: Nut driver, screwdriver. Power off at the breaker: yes. Gas shutoff required: no.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSafety warning:\u003c\/strong\u003e Check the hose and the condensate trap before replacing the switch. A blocked drain is a more common cause than a failed switch, and it costs nothing to clear.\u003c\/p\u003e\n\u003cp\u003eTypical service life is 8-15 years.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eHow do I know if my furnace pressure switch is bad?\u003c\/h3\u003e\u003cp\u003eReplace it if you see any of these: inducer runs but the igniter never glows; board flashes a pressure-switch or open-circuit code; furnace tries repeatedly then locks out.\u003c\/p\u003e\n\u003ch3\u003eCan I replace a furnace pressure switch myself?\u003c\/h3\u003e\u003cp\u003eYes. This is a easy repair that takes about 25 minutes with nut driver, screwdriver. Always shut the power off at the breaker first. Check the hose and the condensate trap before replacing the switch. A blocked drain is a more common cause than a failed switch, and it costs nothing to clear.\u003c\/p\u003e\n\u003ch3\u003eHow long does a furnace pressure switch last?\u003c\/h3\u003e\u003cp\u003eTypically 8-15 years in normal residential use. Heavy cycling, poor airflow, and dirty filters all shorten that.\u003c\/p\u003e\n\n\u003ch3\u003eWhat if it does not fit?\u003c\/h3\u003e\u003cp\u003eReturn it within 7 days of delivery. If you are unsure before ordering, call (888) 762-1334 — we are licensed HVAC contractors and can confirm the right part for your model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSold by licensed HVAC contractors.\u003c\/strong\u003e Furnace Direct is Hamlin Mechanical LLC, Minnesota licence #128688. If this part does not fix the problem, call (888) 762-1334 and we will help you work out what will.\u003c\/p\u003e","brand":"Airtemp","offers":[{"title":"Default Title","offer_id":58271394627887,"sku":"632491R","price":555.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/2111\/2367\/files\/632491R.jpg?v=1789338882"},{"product_id":"furnace-pressure-switch-m43331","title":"Furnace Pressure Switch | M43331","description":"\u003cp\u003e\u003cstrong\u003eFurnace Pressure Switch\u003c\/strong\u003e — manufacturer part number \u003cstrong\u003eM43331\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhat this part does\u003c\/h2\u003e\u003cp\u003eThe pressure switch proves the inducer is actually moving exhaust before the board will open the gas valve. It senses vacuum through a small hose. Blocked hoses, a blocked flue, or water in the condensate trap all make it fail to close.\u003c\/p\u003e\n\u003ch2\u003eReplace this part if\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eInducer runs but the igniter never glows\u003c\/li\u003e\n\u003cli\u003eBoard flashes a pressure-switch or open-circuit code\u003c\/li\u003e\n\u003cli\u003eFurnace tries repeatedly then locks out\u003c\/li\u003e\n\u003cli\u003eSwitch hose is cracked, kinked, or full of water\u003c\/li\u003e\n\u003cli\u003eSwitch does not click when the inducer starts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eM43331\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003eFurnace Direct (Hamlin Mechanical LLC, MN Lic. #128688)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eInstall difficulty\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEasy\u003c\/strong\u003e — about 25 minutes. Tools: Nut driver, screwdriver. Power off at the breaker: yes. Gas shutoff required: no.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSafety warning:\u003c\/strong\u003e Check the hose and the condensate trap before replacing the switch. A blocked drain is a more common cause than a failed switch, and it costs nothing to clear.\u003c\/p\u003e\n\u003cp\u003eTypical service life is 8-15 years.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eHow do I know if my furnace pressure switch is bad?\u003c\/h3\u003e\u003cp\u003eReplace it if you see any of these: inducer runs but the igniter never glows; board flashes a pressure-switch or open-circuit code; furnace tries repeatedly then locks out.\u003c\/p\u003e\n\u003ch3\u003eCan I replace a furnace pressure switch myself?\u003c\/h3\u003e\u003cp\u003eYes. This is a easy repair that takes about 25 minutes with nut driver, screwdriver. Always shut the power off at the breaker first. Check the hose and the condensate trap before replacing the switch. A blocked drain is a more common cause than a failed switch, and it costs nothing to clear.\u003c\/p\u003e\n\u003ch3\u003eHow long does a furnace pressure switch last?\u003c\/h3\u003e\u003cp\u003eTypically 8-15 years in normal residential use. Heavy cycling, poor airflow, and dirty filters all shorten that.\u003c\/p\u003e\n\n\u003ch3\u003eWhat if it does not fit?\u003c\/h3\u003e\u003cp\u003eReturn it within 7 days of delivery. If you are unsure before ordering, call (888) 762-1334 — we are licensed HVAC contractors and can confirm the right part for your model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSold by licensed HVAC contractors.\u003c\/strong\u003e Furnace Direct is Hamlin Mechanical LLC, Minnesota licence #128688. If this part does not fix the problem, call (888) 762-1334 and we will help you work out what will.\u003c\/p\u003e","brand":"RectorSeal","offers":[{"title":"Default Title","offer_id":58271394660655,"sku":"M43331","price":545.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/2111\/2367\/files\/M43331.jpg?v=1785719619"},{"product_id":"furnace-pressure-switch-m43355","title":"Furnace Pressure Switch | M43355","description":"\u003cp\u003e\u003cstrong\u003eFurnace Pressure Switch\u003c\/strong\u003e — manufacturer part number \u003cstrong\u003eM43355\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhat this part does\u003c\/h2\u003e\u003cp\u003eThe pressure switch proves the inducer is actually moving exhaust before the board will open the gas valve. It senses vacuum through a small hose. Blocked hoses, a blocked flue, or water in the condensate trap all make it fail to close.\u003c\/p\u003e\n\u003ch2\u003eReplace this part if\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eInducer runs but the igniter never glows\u003c\/li\u003e\n\u003cli\u003eBoard flashes a pressure-switch or open-circuit code\u003c\/li\u003e\n\u003cli\u003eFurnace tries repeatedly then locks out\u003c\/li\u003e\n\u003cli\u003eSwitch hose is cracked, kinked, or full of water\u003c\/li\u003e\n\u003cli\u003eSwitch does not click when the inducer starts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eM43355\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003eFurnace Direct (Hamlin Mechanical LLC, MN Lic. #128688)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eInstall difficulty\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEasy\u003c\/strong\u003e — about 25 minutes. Tools: Nut driver, screwdriver. Power off at the breaker: yes. Gas shutoff required: no.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSafety warning:\u003c\/strong\u003e Check the hose and the condensate trap before replacing the switch. A blocked drain is a more common cause than a failed switch, and it costs nothing to clear.\u003c\/p\u003e\n\u003cp\u003eTypical service life is 8-15 years.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eHow do I know if my furnace pressure switch is bad?\u003c\/h3\u003e\u003cp\u003eReplace it if you see any of these: inducer runs but the igniter never glows; board flashes a pressure-switch or open-circuit code; furnace tries repeatedly then locks out.\u003c\/p\u003e\n\u003ch3\u003eCan I replace a furnace pressure switch myself?\u003c\/h3\u003e\u003cp\u003eYes. This is a easy repair that takes about 25 minutes with nut driver, screwdriver. Always shut the power off at the breaker first. Check the hose and the condensate trap before replacing the switch. A blocked drain is a more common cause than a failed switch, and it costs nothing to clear.\u003c\/p\u003e\n\u003ch3\u003eHow long does a furnace pressure switch last?\u003c\/h3\u003e\u003cp\u003eTypically 8-15 years in normal residential use. Heavy cycling, poor airflow, and dirty filters all shorten that.\u003c\/p\u003e\n\n\u003ch3\u003eWhat if it does not fit?\u003c\/h3\u003e\u003cp\u003eReturn it within 7 days of delivery. If you are unsure before ordering, call (888) 762-1334 — we are licensed HVAC contractors and can confirm the right part for your model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSold by licensed HVAC contractors.\u003c\/strong\u003e Furnace Direct is Hamlin Mechanical LLC, Minnesota licence #128688. If this part does not fix the problem, call (888) 762-1334 and we will help you work out what will.\u003c\/p\u003e","brand":"RectorSeal","offers":[{"title":"Default Title","offer_id":58271394693423,"sku":"M43355","price":545.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/2111\/2367\/files\/M43355.jpg?v=1785719620"},{"product_id":"furnace-pressure-switch-632427r","title":"Furnace Pressure Switch | 632427R","description":"\u003cp\u003e\u003cstrong\u003eFurnace Pressure Switch\u003c\/strong\u003e — manufacturer part number \u003cstrong\u003e632427R\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhat this part does\u003c\/h2\u003e\u003cp\u003eThe pressure switch proves the inducer is actually moving exhaust before the board will open the gas valve. It senses vacuum through a small hose. Blocked hoses, a blocked flue, or water in the condensate trap all make it fail to close.\u003c\/p\u003e\n\u003ch2\u003eReplace this part if\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eInducer runs but the igniter never glows\u003c\/li\u003e\n\u003cli\u003eBoard flashes a pressure-switch or open-circuit code\u003c\/li\u003e\n\u003cli\u003eFurnace tries repeatedly then locks out\u003c\/li\u003e\n\u003cli\u003eSwitch hose is cracked, kinked, or full of water\u003c\/li\u003e\n\u003cli\u003eSwitch does not click when the inducer starts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003e632427R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003eFurnace Direct (Hamlin Mechanical LLC, MN Lic. #128688)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eInstall difficulty\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEasy\u003c\/strong\u003e — about 25 minutes. Tools: Nut driver, screwdriver. Power off at the breaker: yes. Gas shutoff required: no.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSafety warning:\u003c\/strong\u003e Check the hose and the condensate trap before replacing the switch. A blocked drain is a more common cause than a failed switch, and it costs nothing to clear.\u003c\/p\u003e\n\u003cp\u003eTypical service life is 8-15 years.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eHow do I know if my furnace pressure switch is bad?\u003c\/h3\u003e\u003cp\u003eReplace it if you see any of these: inducer runs but the igniter never glows; board flashes a pressure-switch or open-circuit code; furnace tries repeatedly then locks out.\u003c\/p\u003e\n\u003ch3\u003eCan I replace a furnace pressure switch myself?\u003c\/h3\u003e\u003cp\u003eYes. This is a easy repair that takes about 25 minutes with nut driver, screwdriver. Always shut the power off at the breaker first. Check the hose and the condensate trap before replacing the switch. A blocked drain is a more common cause than a failed switch, and it costs nothing to clear.\u003c\/p\u003e\n\u003ch3\u003eHow long does a furnace pressure switch last?\u003c\/h3\u003e\u003cp\u003eTypically 8-15 years in normal residential use. Heavy cycling, poor airflow, and dirty filters all shorten that.\u003c\/p\u003e\n\n\u003ch3\u003eWhat if it does not fit?\u003c\/h3\u003e\u003cp\u003eReturn it within 7 days of delivery. If you are unsure before ordering, call (888) 762-1334 — we are licensed HVAC contractors and can confirm the right part for your model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSold by licensed HVAC contractors.\u003c\/strong\u003e Furnace Direct is Hamlin Mechanical LLC, Minnesota licence #128688. If this part does not fix the problem, call (888) 762-1334 and we will help you work out what will.\u003c\/p\u003e","brand":"Airtemp","offers":[{"title":"Default Title","offer_id":58271394726191,"sku":"632427R","price":550.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/2111\/2367\/files\/632427R.jpg?v=1785719621"},{"product_id":"furnace-pressure-switch-m43332","title":"Furnace Pressure Switch | M43332","description":"\u003cp\u003e\u003cstrong\u003eFurnace Pressure Switch\u003c\/strong\u003e — manufacturer part number \u003cstrong\u003eM43332\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhat this part does\u003c\/h2\u003e\u003cp\u003eThe pressure switch proves the inducer is actually moving exhaust before the board will open the gas valve. It senses vacuum through a small hose. Blocked hoses, a blocked flue, or water in the condensate trap all make it fail to close.\u003c\/p\u003e\n\u003ch2\u003eReplace this part if\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eInducer runs but the igniter never glows\u003c\/li\u003e\n\u003cli\u003eBoard flashes a pressure-switch or open-circuit code\u003c\/li\u003e\n\u003cli\u003eFurnace tries repeatedly then locks out\u003c\/li\u003e\n\u003cli\u003eSwitch hose is cracked, kinked, or full of water\u003c\/li\u003e\n\u003cli\u003eSwitch does not click when the inducer starts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eM43332\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003eFurnace Direct (Hamlin Mechanical LLC, MN Lic. #128688)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eInstall difficulty\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEasy\u003c\/strong\u003e — about 25 minutes. Tools: Nut driver, screwdriver. Power off at the breaker: yes. Gas shutoff required: no.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSafety warning:\u003c\/strong\u003e Check the hose and the condensate trap before replacing the switch. A blocked drain is a more common cause than a failed switch, and it costs nothing to clear.\u003c\/p\u003e\n\u003cp\u003eTypical service life is 8-15 years.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eHow do I know if my furnace pressure switch is bad?\u003c\/h3\u003e\u003cp\u003eReplace it if you see any of these: inducer runs but the igniter never glows; board flashes a pressure-switch or open-circuit code; furnace tries repeatedly then locks out.\u003c\/p\u003e\n\u003ch3\u003eCan I replace a furnace pressure switch myself?\u003c\/h3\u003e\u003cp\u003eYes. This is a easy repair that takes about 25 minutes with nut driver, screwdriver. Always shut the power off at the breaker first. Check the hose and the condensate trap before replacing the switch. A blocked drain is a more common cause than a failed switch, and it costs nothing to clear.\u003c\/p\u003e\n\u003ch3\u003eHow long does a furnace pressure switch last?\u003c\/h3\u003e\u003cp\u003eTypically 8-15 years in normal residential use. Heavy cycling, poor airflow, and dirty filters all shorten that.\u003c\/p\u003e\n\n\u003ch3\u003eWhat if it does not fit?\u003c\/h3\u003e\u003cp\u003eReturn it within 7 days of delivery. If you are unsure before ordering, call (888) 762-1334 — we are licensed HVAC contractors and can confirm the right part for your model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSold by licensed HVAC contractors.\u003c\/strong\u003e Furnace Direct is Hamlin Mechanical LLC, Minnesota licence #128688. If this part does not fix the problem, call (888) 762-1334 and we will help you work out what will.\u003c\/p\u003e","brand":"RectorSeal","offers":[{"title":"Default Title","offer_id":58271394758959,"sku":"M43332","price":550.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/2111\/2367\/files\/M43332.jpg?v=1785719622"}],"url":"https:\/\/furnace.direct\/collections\/pressure-switches\/13-4-seer2+two-stage.oembed","provider":"Furnace Direct","version":"1.0","type":"link"}