{"product_id":"oem-goodman-blower-door-safety-switch-w-wires-for-gsu100-4-b1370820","title":"OEM Goodman Blower Door Safety Switch w\/ Wires for GSU100-4 — B1370820","description":"\u003cp\u003eThe Goodman \u003cstrong\u003eB1370820 Blower Door Safety Switch\u003c\/strong\u003e is an interlock that cuts power to the furnace whenever the blower access panel is removed, preventing operation with the door open. This assembly ships \u003cstrong\u003epre-wired with lead wires\u003c\/strong\u003e and is a direct-fit replacement for the \u003cstrong\u003eGoodman GSU100-4\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: Blower-door interlock \/ safety cutoff switch\u003c\/li\u003e\n\u003cli\u003eIncludes: Factory wire leads (pigtail)\u003c\/li\u003e\n\u003cli\u003eAction: Opens control circuit when door is removed\u003c\/li\u003e\n\u003cli\u003eFits: Goodman GSU100-4 furnace\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: B1370820\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eBecause this part arrives \u003cstrong\u003ewith the correct wire leads and connector already attached\u003c\/strong\u003e, the genuine Goodman version drops in without splicing or crimping guesswork. Generic door switches often require you to reuse or fabricate wiring; the OEM assembly saves time and guarantees the plunger geometry lines up with the GSU100-4 panel bracket.\u003c\/p\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eDifficulty: Easy to Moderate.\u003c\/strong\u003e Disconnect power first. Unclip the old switch from the blower-compartment bracket, connect the new switch's leads to the matching furnace wiring, and snap it into place so the door depresses the plunger fully when closed. Confirm the furnace only energizes with the panel installed. Do not tape or bypass this interlock.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058182898035,"sku":"GOODMAN-13018","price":40.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-blower-door-safety-switch-w-wires-for-gsu100-4-b1370820","provider":"National HVAC Parts","version":"1.0","type":"link"}