{"product_id":"oem-goodman-0-40-in-wc-no-pressure-switch-for-gup075-3a-b1370126","title":"OEM Goodman -0.40 in WC NO Pressure Switch for GUP075-3A — B1370126","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B1370126\u003c\/strong\u003e is a genuine OEM air-proving \u003cstrong\u003epressure switch\u003c\/strong\u003e rated at \u003cstrong\u003e-0.40\" W.C.\u003c\/strong\u003e, normally open (NO), for the \u003cstrong\u003eGUP075-3A\u003c\/strong\u003e gas furnace. This safety switch confirms the induced-draft blower is pulling proper vent draft before the ignition sequence begins. If the correct negative pressure isn't sensed, the switch keeps the gas valve closed to prevent unsafe combustion.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTrip setpoint: -0.40 in W.C.\u003c\/li\u003e\n\u003cli\u003eContact configuration: Normally Open (NO)\u003c\/li\u003e\n\u003cli\u003eFunction: Draft\/air-proving safety switch\u003c\/li\u003e\n\u003cli\u003eCompatibility: Goodman GUP075-3A furnace\u003c\/li\u003e\n\u003cli\u003eOEM part number: B1370126\u003c\/li\u003e\n\u003cli\u003eBrand: Goodman (genuine OEM)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003ePressure switch setpoints are calibrated to the specific furnace vent design, so the \u003cstrong\u003egenuine OEM B1370126\u003c\/strong\u003e guarantees the exact -0.40\" trip point required for safe ignition. A mismatched generic switch can cause nuisance lockouts or, worse, allow ignition under poor draft. For a safety-critical component, always use the OEM-rated part.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (2\/5).\u003c\/strong\u003e Typically 10–15 minutes. Disconnect power, remove the tubing and two spade terminals, swap the switch, and confirm the hose is free of cracks or condensate before restarting.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058194301299,"sku":"GOODMAN-13208","price":26.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-0-40-in-wc-no-pressure-switch-for-gup075-3a-b1370126","provider":"National HVAC Parts","version":"1.0","type":"link"}