{"product_id":"oem-goodman-door-switch-with-wires-for-gmnt090-5b-b1370820","title":"OEM Goodman Door Switch with Wires for GMNT090-5B — B1370820","description":"\u003cp\u003eThe genuine Goodman \u003cstrong\u003eB1370820 Door Switch with Wires\u003c\/strong\u003e is a factory-original blower-compartment safety switch engineered for the \u003cstrong\u003eGMNT090-5B\u003c\/strong\u003e gas furnace. This normally-open interlock switch cuts power to the blower and ignition circuit whenever the blower access door is removed, protecting technicians and homeowners from live electrical and moving components. It ships with the pre-attached wire leads and quick-connect terminals for a true plug-and-play replacement.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM Part Number: B1370820\u003c\/li\u003e\n\u003cli\u003eType: SPST blower door interlock safety switch\u003c\/li\u003e\n\u003cli\u003eIncludes: Factory wire harness with terminals\u003c\/li\u003e\n\u003cli\u003eFits: Goodman GMNT090-5B gas furnace\u003c\/li\u003e\n\u003cli\u003eFunction: De-energizes blower\/ignition when door is open\u003c\/li\u003e\n\u003cli\u003eBrand: Goodman (genuine OEM)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eGeneric door switches are often close but not exact — mounting-tab spacing, actuator height, and lead length can vary, leading to nuisance lockouts or a switch that fails to seat. This authentic Goodman B1370820 guarantees the correct actuation point and harness routing, so the furnace behaves exactly as the factory intended. For a safety-critical interlock, OEM is the right call.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (1\/5).\u003c\/strong\u003e Disconnect furnace power, remove the blower door, unplug the two spade connectors, unscrew the old switch, and reverse the process. Most homeowners complete this in under 15 minutes with a nut driver. If you are uncomfortable working near line-voltage wiring, contact a licensed HVAC technician.\u003c\/p\u003e\u003cp\u003eAlways shut off electrical power and gas at the source before servicing.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058130633075,"sku":"GOODMAN-11710","price":40.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-door-switch-with-wires-for-gmnt090-5b-b1370820","provider":"National HVAC Parts","version":"1.0","type":"link"}