{"product_id":"oem-goodman-150-f-primary-limit-switch-for-amv91155dxbb-furnace-20162903","title":"OEM Goodman 150°F Primary Limit Switch for AMV91155DXBB Furnace — 20162903","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman 20162903 Primary Limit Switch\u003c\/strong\u003e is a genuine OEM high-limit safety control with a \u003cstrong\u003e150°F\u003c\/strong\u003e trip rating, engineered for the \u003cstrong\u003eAMV91155DXBB\u003c\/strong\u003e gas furnace and other compatible Goodman and Amana models. Mounted on the heat-exchanger bulkhead, it monitors supply-air temperature and opens the circuit to shut down the burners if the furnace overheats — protecting the heat exchanger, blower, and your home.\u003c\/p\u003e\u003cp\u003eA limit switch that has weakened or opened permanently will cause no-heat calls, short cycling, or repeated lockouts. Replacing it with the correct 150°F OEM part restores accurate overheat protection and normal furnace operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e 20162903\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Primary high-limit \/ thermal safety switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrip Temperature:\u003c\/strong\u003e 150°F (auto-reset)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits Model:\u003c\/strong\u003e AMV91155DXBB (Amana\/Goodman 96% furnace)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Opens burner circuit on over-temperature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFit:\u003c\/strong\u003e Direct OEM exact-fit replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eOEM vs. Generic:\u003c\/strong\u003e The genuine Goodman 20162903 is calibrated to open at exactly 150°F and is dimensioned to seat flush against the factory mounting location for accurate sensing. Generic limit switches with different trip points or mounting depths can trip early, trip late, or misread plenum temperature — compromising a core safety function.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstall Difficulty:\u003c\/strong\u003e Easy to Moderate (DIY-friendly, 15–20 minutes). Cut power to the furnace, remove the two mounting screws, transfer the spade wire connectors to the new switch, and reinstall in the same orientation. No calibration required. Confirm the switch sits flat against the metal for correct temperature sensing.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057844568435,"sku":"GOODMAN-7843","price":24.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-150-f-primary-limit-switch-for-amv91155dxbb-furnace-20162903","provider":"National HVAC Parts","version":"1.0","type":"link"}