{"product_id":"oem-goodman-door-interlock-safety-switch-for-gup100-5-b1370819","title":"OEM Goodman Door Interlock Safety Switch for GUP100-5 — B1370819","description":"\u003ch2\u003eGoodman B1370819 Blower Door Interlock Switch\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eB1370819\u003c\/strong\u003e is a genuine OEM blower-compartment door interlock switch for the Goodman \u003cstrong\u003eGUP100-5\u003c\/strong\u003e gas furnace and compatible models. This safety switch cuts power to the furnace whenever the blower access panel is removed, protecting technicians and homeowners from live electrical and moving-blower hazards. If your furnace is completely dead only when the door is off — or runs only when the switch is manually held — this is the part to replace.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: Normally-open plunger interlock switch\u003c\/li\u003e\n\u003cli\u003eFunction: De-energizes furnace when blower door is removed\u003c\/li\u003e\n\u003cli\u003eMounting: Panel-edge, plunger actuated\u003c\/li\u003e\n\u003cli\u003eEquipment: Goodman furnaces\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: B1370819\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eOEM Goodman\u003c\/strong\u003e switch matches the exact plunger length and bracket geometry of the GUP100-5 cabinet, so the door closes flush and the switch actuates reliably. Generic universal switches often require bracket modification and can fail to trip consistently — defeating the safety function.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (1\/5).\u003c\/strong\u003e Kill power at the breaker, remove the blower door, transfer the two wire leads to the new switch, and snap\/screw it into the original bracket. About 10 minutes.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058195054963,"sku":"GOODMAN-13231","price":22.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-door-interlock-safety-switch-for-gup100-5-b1370819","provider":"National HVAC Parts","version":"1.0","type":"link"}