{"product_id":"oem-goodman-door-interlock-safety-switch-for-gup075-3a-b1370819","title":"OEM Goodman Door Interlock Safety Switch for GUP075-3A — B1370819","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B1370819\u003c\/strong\u003e is a genuine OEM \u003cstrong\u003eblower door interlock switch\u003c\/strong\u003e for the \u003cstrong\u003eGUP075-3A\u003c\/strong\u003e gas furnace. This safety switch cuts power to the furnace whenever the blower access panel is removed, protecting technicians and preventing operation with the door open. A failed or stuck door switch is a common reason a furnace appears completely dead after service.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: Normally-open door interlock safety switch\u003c\/li\u003e\n\u003cli\u003eFunction: Interrupts line voltage when blower door is removed\u003c\/li\u003e\n\u003cli\u003eCompatibility: Goodman GUP075-3A furnace\u003c\/li\u003e\n\u003cli\u003eOEM part number: B1370819\u003c\/li\u003e\n\u003cli\u003eBrand: Goodman (genuine OEM)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003egenuine OEM B1370819\u003c\/strong\u003e mounts in the factory bracket with the correct plunger throw, so the panel reliably actuates the switch when reinstalled. Generic door switches often sit at the wrong depth, leaving the furnace intermittently dead or unsafely bypassed. For a code-compliant, dependable repair, choose the OEM switch.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (1\/5).\u003c\/strong\u003e About 10 minutes. Cut power at the breaker, remove the two mounting screws and wire terminals, install the new switch, and confirm the furnace only energizes with the blower door fully seated.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058194334067,"sku":"GOODMAN-13209","price":22.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-door-interlock-safety-switch-for-gup075-3a-b1370819","provider":"National HVAC Parts","version":"1.0","type":"link"}