{"product_id":"oem-goodman-auxiliary-limit-auto-reset-switch-for-amv80905cxbb-20269903","title":"OEM Goodman Auxiliary Limit Auto-Reset Switch for AMV80905CXBB — 20269903","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman 20269903 Auxiliary Limit Auto-Reset Switch\u003c\/strong\u003e is a genuine OEM safety control for the \u003cstrong\u003eAMV80905CXBB\u003c\/strong\u003e and related Goodman\/Amana gas furnaces. This auxiliary limit switch continuously monitors temperature and shuts off the burners if the furnace overheats — protecting the heat exchanger, blower housing, and surrounding components from heat damage. As an \u003cem\u003eauto-reset\u003c\/em\u003e device, it re-closes once safe operating temperature returns.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart Number: 20269903\u003c\/li\u003e\n\u003cli\u003eType: Auxiliary high-limit switch\u003c\/li\u003e\n\u003cli\u003eReset: Automatic (self-resetting)\u003c\/li\u003e\n\u003cli\u003eFunction: Over-temperature safety cutoff\u003c\/li\u003e\n\u003cli\u003eFits: Goodman \u0026amp; Amana AMV80905CXBB furnaces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThis \u003cstrong\u003eOEM Goodman limit switch\u003c\/strong\u003e is calibrated to the exact trip temperature specified for your furnace. Generic switches often carry incorrect open\/close set points, causing nuisance shutdowns or — worse — failing to trip when needed. On a safety-critical control, we recommend OEM only.\u003c\/p\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eDifficulty: Moderate.\u003c\/strong\u003e Disconnect power, note wiring orientation, unclip or unscrew the old switch, and mount the replacement in the same position. Restore the two spade connectors and confirm heating cycles complete without tripping. A multimeter continuity check confirms correct operation.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057811210611,"sku":"GOODMAN-7661","price":10.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-auxiliary-limit-auto-reset-switch-for-amv80905cxbb-20269903","provider":"National HVAC Parts","version":"1.0","type":"link"}