{"product_id":"oem-goodman-door-switch-with-wires-for-gmpv125-5-b1370820","title":"OEM Goodman Door Switch with Wires for GMPV125-5 — B1370820","description":"\u003cp\u003eThe Goodman \u003cstrong\u003eB1370820 Door Switch with Wires\u003c\/strong\u003e is a genuine OEM blower-door interlock safety switch, pre-wired with a factory harness, for the \u003cstrong\u003eGMPV125-5\u003c\/strong\u003e gas furnace. This switch cuts power to the furnace whenever the blower access panel is removed, protecting technicians from live components and moving parts during service. A failed door switch is one of the most common reasons a furnace won't power up.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart type: Blower-door interlock switch\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: B1370820\u003c\/li\u003e\n\u003cli\u003eIncluded: Switch with pre-attached wire harness\u003c\/li\u003e\n\u003cli\u003eFunction: De-energizes furnace when access panel is open\u003c\/li\u003e\n\u003cli\u003eCompatible model: Goodman GMPV125-5 furnace\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe OEM B1370820 ships with the correct connector, wire gauge, and lead length, so it plugs directly into the GMPV125-5 wiring — no splicing required. Generic door switches often need harness modification and may not seat correctly against the panel, causing intermittent power loss. The pre-wired OEM assembly is the fastest, most reliable fix.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (2 of 5).\u003c\/strong\u003e Disconnect power, unplug the harness connector, remove the mounting screws, install the new switch, and reconnect. Confirm the furnace powers on only when the panel is closed. No wire splicing needed with this OEM assembly.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058152423795,"sku":"GOODMAN-12184","price":40.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-door-switch-with-wires-for-gmpv125-5-b1370820","provider":"National HVAC Parts","version":"1.0","type":"link"}