{"product_id":"oem-goodman-door-safety-switch-for-gup050-2a-furnace-b1370819","title":"OEM Goodman Door Safety Switch for GUP050-2A Furnace — B1370819","description":"\u003cp\u003eThe Goodman \u003cstrong\u003eB1370819 Door Safety Switch\u003c\/strong\u003e is a genuine OEM interlock component engineered for the \u003cstrong\u003eGUP050-2A\u003c\/strong\u003e gas furnace and compatible Goodman\/Amana models. Mounted on the blower compartment, this normally-open switch cuts power to the furnace the moment the access panel is removed, protecting service technicians and homeowners from live electrical and rotating blower hazards. A worn or stuck door switch is a common cause of a furnace that won't start with the panel on — replacing it restores safe, reliable operation.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart Number: B1370819\u003c\/li\u003e\n\u003cli\u003eType: Blower door interlock safety switch (SPST, normally open)\u003c\/li\u003e\n\u003cli\u003eFits: Goodman GUP050-2A and compatible furnace models\u003c\/li\u003e\n\u003cli\u003eFunction: De-energizes furnace when access panel is off\u003c\/li\u003e\n\u003cli\u003eBrand: Goodman OEM\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eOur \u003cstrong\u003eOEM Goodman B1370819\u003c\/strong\u003e matches the factory switch actuation force, plunger height, and terminal spacing exactly — no bracket modifications or wire splicing required. Generic universal door switches are lower cost but often need repositioning and may not seat flush against the panel, leading to intermittent no-heat calls. For a furnace safety component, we recommend the OEM part.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (1\/5)\u003c\/strong\u003e — Typically a 10-minute swap. Disconnect furnace power, remove two mounting screws, transfer the spade connectors, and reinstall. No special tools required. Always confirm power is off at the breaker before servicing.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058194039155,"sku":"GOODMAN-13195","price":22.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-door-safety-switch-for-gup050-2a-furnace-b1370819","provider":"National HVAC Parts","version":"1.0","type":"link"}