{"product_id":"oem-goodman-150-f-primary-limit-switch-for-amh81205dnbb-20162903","title":"OEM Goodman 150°F Primary Limit Switch for AMH81205DNBB — 20162903","description":"\u003cp\u003eThe Goodman \u003cstrong\u003e20162903\u003c\/strong\u003e is a genuine primary high-limit switch rated to trip at \u003cstrong\u003e150°F\u003c\/strong\u003e, designed for \u003cstrong\u003eAMH81205DNBB\u003c\/strong\u003e gas furnaces and related Goodman\/Amana models. Mounted on the heat-exchanger or blower deck, it continuously monitors supply-air temperature and interrupts the burner circuit if the furnace overheats — most often a sign of low airflow from a dirty filter, closed registers, or a failing blower.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: Primary high-limit safety switch\u003c\/li\u003e\n\u003cli\u003eTrip point: 150°F (open on rise)\u003c\/li\u003e\n\u003cli\u003eReset: Automatic (closes on temperature drop)\u003c\/li\u003e\n\u003cli\u003eTerminals: 1\/4 in. quick-connect\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: 20162903\u003c\/li\u003e\n\u003cli\u003eFits: AMH81205DNBB and cross-referenced furnaces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe trip temperature and mounting geometry must match the furnace exactly. The OEM 20162903 is factory-calibrated to 150°F for this cabinet, whereas a generic switch with the wrong setpoint can cause nuisance lockouts or allow unsafe overheating. For high-limit protection, OEM is the safe choice.\u003c\/p\u003e\u003ch3\u003eInstall Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy.\u003c\/strong\u003e About 10–20 minutes: disconnect power, pull the two spade connectors, remove two mounting screws, and install the replacement in the same orientation. If the limit had been tripping, correct the airflow restriction before returning the unit to service.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057652875635,"sku":"GOODMAN-6088","price":8.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-150-f-primary-limit-switch-for-amh81205dnbb-20162903","provider":"National HVAC Parts","version":"1.0","type":"link"}