{"product_id":"oem-goodman-auto-reset-auxiliary-limit-switch-for-gmv80704bxba-20269903","title":"OEM Goodman Auto-Reset Auxiliary Limit Switch for GMV80704BXBA — 20269903","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman 20269903 Auxiliary Limit Auto-Reset Switch\u003c\/strong\u003e is a genuine OEM safety control for the \u003cstrong\u003eGMV80704BXBA\u003c\/strong\u003e gas furnace. This normally-closed thermal limit monitors cabinet temperature and opens the circuit if the furnace overheats — protecting the heat exchanger and blower — then automatically re-closes once temperatures return to a safe range.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM Part Number: 20269903\u003c\/li\u003e\n\u003cli\u003eFits: Goodman GMV80704BXBA gas furnace\u003c\/li\u003e\n\u003cli\u003eComponent: Auxiliary high-limit switch\u003c\/li\u003e\n\u003cli\u003eType: Auto-reset (self-restoring), normally closed\u003c\/li\u003e\n\u003cli\u003eFunction: Overtemperature safety cutout\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eSafety limits are calibrated to a precise trip temperature matched to the furnace design. Genuine Goodman switch 20269903 carries the correct open\/close set points; a generic substitute with the wrong calibration can nuisance-trip or, worse, fail to protect the unit. For a life-safety component, the OEM part is the right choice.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate.\u003c\/strong\u003e Disconnect power, remove the two mounting screws, transfer the wire leads to the new switch, and remount in the original location. Roughly 20–30 minutes. Verify correct blower and burner operation after replacement.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058168742259,"sku":"GOODMAN-12628","price":34.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-auto-reset-auxiliary-limit-switch-for-gmv80704bxba-20269903","provider":"National HVAC Parts","version":"1.0","type":"link"}