{"product_id":"oem-goodman-primary-limit-switch-150f-for-amh81405dxcc-furnace-20162903","title":"OEM Goodman Primary Limit Switch 150F for AMH81405DXCC Furnace — 20162903","description":"\u003ch2\u003eGoodman 20162903 Primary Limit Switch (150°F)\u003c\/h2\u003e\u003cp\u003eThe 20162903 is a genuine OEM Goodman primary high-limit switch rated at \u003cstrong\u003e150°F\u003c\/strong\u003e for the \u003cstrong\u003eAMH81405DXCC\u003c\/strong\u003e gas furnace and compatible Goodman\/Amana models. Mounted on the heat-exchanger bulkhead, this normally-closed auto-reset switch monitors supply-air temperature and shuts off the burners if the furnace overheats — typically from restricted airflow, a dirty filter, or blower failure — protecting the heat exchanger from damage.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart type:\u003c\/strong\u003e Primary high-limit switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrip temperature:\u003c\/strong\u003e 150°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReset:\u003c\/strong\u003e Automatic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Normally closed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM part number:\u003c\/strong\u003e 20162903\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e AMH81405DXCC and related Goodman\/Amana furnaces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe 150°F trip point and mounting bracket on the genuine Goodman 20162903 are matched to your furnace's cabinet and airflow design. A generic limit with the wrong temperature or footprint can nuisance-trip on normal cycles or fail to protect the heat exchanger. As a primary safety control, OEM is the correct choice.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (1\/5).\u003c\/strong\u003e Two screws and two spade terminals on the heat-exchanger panel. Power down, note wiring, swap the switch, and reconnect. If the furnace was tripping on limit, correct the underlying airflow problem (filter, blower, ductwork) before restoring service.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057655988595,"sku":"GOODMAN-6189","price":19.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-primary-limit-switch-150f-for-amh81405dxcc-furnace-20162903","provider":"National HVAC Parts","version":"1.0","type":"link"}