{"product_id":"oem-goodman-door-switch-with-wires-for-dms81155cna-furnace-b1370820","title":"OEM Goodman Door Switch with Wires for DMS81155CNA Furnace — B1370820","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B1370820 Door Switch with Wires\u003c\/strong\u003e is a genuine OEM blower-compartment safety switch engineered for the \u003cstrong\u003eDMS81155CNA\u003c\/strong\u003e gas furnace and compatible Goodman\/Amana models. This interlock switch cuts power to the blower and control circuit whenever the blower access door is removed, protecting technicians and homeowners during service. If your furnace won't start with the door closed, 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 blower door interlock \/ safety switch\u003c\/li\u003e\n\u003cli\u003ePre-wired with factory wire leads and connectors\u003c\/li\u003e\n\u003cli\u003eFunction: Interrupts blower and control power when access door is open\u003c\/li\u003e\n\u003cli\u003eFit: Goodman DMS81155CNA and compatible Goodman\/Amana furnaces\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: B1370820\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThis is a \u003cstrong\u003egenuine OEM Goodman\u003c\/strong\u003e component with the correct wire harness length, connector type, and actuation travel for your furnace. Generic switches often require splicing, may have incorrect throw distance, and can trip intermittently. The OEM part drops in without modification and preserves your equipment's safety certification.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (1 of 5).\u003c\/strong\u003e Most installs take 10–15 minutes with a nut driver and are within reach of a confident DIYer. \u003cem\u003eAlways disconnect power at the breaker before servicing.\u003c\/em\u003e If you are not comfortable working around furnace wiring, consult a licensed HVAC technician.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058050744691,"sku":"GOODMAN-9625","price":40.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-door-switch-with-wires-for-dms81155cna-furnace-b1370820","provider":"National HVAC Parts","version":"1.0","type":"link"}