{"product_id":"oem-goodman-blower-door-safety-switch-w-wires-for-gmt115-5a-b1370820","title":"OEM Goodman Blower Door Safety Switch w\/ Wires for GMT115-5A — B1370820","description":"\u003ch2\u003eGoodman B1370820 Blower Door Safety Switch\u003c\/h2\u003e\u003cp\u003eThe Goodman B1370820 is a genuine OEM blower-compartment door safety switch, supplied with factory pre-terminated wire leads for a plug-and-play replacement. It is a direct fit for the \u003cstrong\u003eGoodman GMT115-5A\u003c\/strong\u003e gas furnace and mounts on the blower panel so the furnace only energizes when the door is securely closed. When this switch fails, the furnace will typically not run at all — a common no-heat symptom.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart Number: B1370820\u003c\/li\u003e\n\u003cli\u003eType: Normally-open blower door interlock switch\u003c\/li\u003e\n\u003cli\u003eWiring: Includes pre-attached wire leads\u003c\/li\u003e\n\u003cli\u003eEquipment: Gas furnace\u003c\/li\u003e\n\u003cli\u003eCompatible Model: GMT115-5A\u003c\/li\u003e\n\u003cli\u003eBrand: Goodman (OEM)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThis \u003cstrong\u003egenuine OEM Goodman\u003c\/strong\u003e switch is built to the exact trip force, wire gauge, and connector spec your furnace's control board expects — no crimping or splicing required. Aftermarket universal switches often need adapted wiring and may not seat correctly in the factory bracket. For a safety interlock, we recommend the OEM part.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (2\/5).\u003c\/strong\u003e Cut power at the disconnect, remove the blower door, unplug the old switch leads, swap in the new switch, and reconnect. Typically a 10–15 minute repair for a handy homeowner or any HVAC technician.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eAlways disconnect power before servicing. If unsure, consult a licensed HVAC professional.\u003c\/em\u003e\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058161598835,"sku":"GOODMAN-12440","price":40.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-blower-door-safety-switch-w-wires-for-gmt115-5a-b1370820","provider":"National HVAC Parts","version":"1.0","type":"link"}