{"product_id":"632489r","title":"632489R 0.70\" WC SPST Pressure Switch 0.70\" WC SPST Pressure Switch","description":"\u003ch1\u003e632489R 0.70\" WC SPST Pressure Switch\u003c\/h1\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003e632489R is an OEM 0.70 in WC single-pole single-throw (SPST) pressure switch designed to sense inducer draft or differential pressure in gas furnaces and packaged HVAC units. It provides reliable, fast-action switching at a fixed 0.70 in WC setpoint, ensuring the control board receives a positive pressure signal before allowing ignition or maintaining burner operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSetpoint: 0.70 in WC (water column)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eContact arrangement: SPST, normally open until pressure reaches setpoint\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eContact rating: 1 A @ 120 VAC (confirm on appliance data plate)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePressure connection: 1\/4 in OD hose barb\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTerminals: dual 1\/4 in male spade quick-connect\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHousing: epoxy-filled die-cast aluminum\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAmbient temperature range: –40 °F to 175 °F\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eShipping weight: 0.11 lb\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePackaged dimensions: 10 × 12 × 12 in, 10 oz\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable style=\"width: 100.082%; height: 39.2px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 40.8878%; height: 19.6px;\"\u003eLocation\u003c\/th\u003e\n\u003cth style=\"width: 16.3316%; height: 19.6px;\"\u003eOn-hand\u003c\/th\u003e\n\u003cth style=\"width: 20.8214%; height: 19.6px;\"\u003eCommitted\u003c\/th\u003e\n\u003cth style=\"width: 16.9796%; height: 19.6px;\"\u003eAvailable\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 40.8878%; height: 19.6px;\"\u003ewarehouse\u003c\/td\u003e\n\u003ctd style=\"width: 16.3316%; height: 19.6px;\"\u003e0\u003c\/td\u003e\n\u003ctd style=\"width: 20.8214%; height: 19.6px;\"\u003e0\u003c\/td\u003e\n\u003ctd style=\"width: 16.9796%; height: 19.6px;\"\u003e154\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eCross-Reference Part Numbers\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eOEM Part Number\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e632489R\u003c\/td\u003e\n\u003ctd\u003eFactory-authorized pressure switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e632489\u003c\/td\u003e\n\u003ctd\u003eOriginal part without revision “R”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eFits a wide range of Nordyne, Coleman, Concord, Nortek and private-label gas furnaces and packaged units that require a 0.70 in WC SPST pressure switch for inducer draft proving or flame rollout protection. Common applications include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eM1 series gas furnaces\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSingle-stage and multi-stage burner assemblies\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePackaged rooftop units with induced-draft blowers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAlways verify your unit’s required setpoint and mounting style against the appliance data plate before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eTechnician Notes\u003c\/h2\u003e\n\u003col start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDe-energize the furnace and shut off the gas supply.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDepressurize the inducer housing—verify zero pressure at the switch tubing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePhotograph or label the old switch’s tubing and wiring connections.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRemove the old switch from its mounting boss and inspect the hose barb for debris.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHand-thread the new 632489R switch onto the boss; torque to OEM specification.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eConnect 1\/4 in tubing and push fully onto the barb; secure with a spring clamp if used.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eReattach control wiring to spade terminals, ensuring tight fit.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRestore power and call for heat; confirm inducer runs and the switch closes at ~0.70 in WC.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIf the blower starts but the furnace locks out, verify setpoint with a manometer and check for tubing leaks.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eAdditional Resources\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDownloadable wiring schematic and installation guide (PDF)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePrintable pressure-switch cross-reference sheet\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStep-by-step video: Replacing a 0.70 in WC pressure switch\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Neuco","offers":[{"title":"Default Title","offer_id":40298065166402,"sku":"632489R","price":31.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1071\/8320\/files\/632489r-3.jpg?v=1756185274","url":"https:\/\/hvacpartstore.com\/products\/632489r","provider":"HVACpartstore","version":"1.0","type":"link"}