{"product_id":"oem-goodman-150-f-primary-limit-switch-for-acss961005cnaa-20162903","title":"OEM Goodman 150°F Primary Limit Switch for ACSS961005CNAA — 20162903","description":"\u003cp\u003eThe genuine \u003cstrong\u003eGoodman 20162903 Primary Limit Switch\u003c\/strong\u003e is the \u003cstrong\u003e150°F\u003c\/strong\u003e auto-reset high-limit safety control for \u003cstrong\u003eACSS961005CNAA\u003c\/strong\u003e gas furnaces. Mounted on the heat-exchanger plenum, it monitors supply-air temperature and shuts off the gas valve if the furnace overheats — typically caused by restricted airflow from a dirty filter, blocked ductwork, or a failed blower — then automatically resets once temperatures return to normal.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\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\u003eOEM Part Number:\u003c\/strong\u003e 20162903\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrip Temperature:\u003c\/strong\u003e 150°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReset Type:\u003c\/strong\u003e Automatic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Goodman (OEM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits Model:\u003c\/strong\u003e ACSS961005CNAA gas furnace\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Opens gas-valve circuit on plenum over-temperature\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThis factory \u003cstrong\u003eOEM Goodman\u003c\/strong\u003e limit is set to the exact 150°F trip point your furnace was engineered around. Generic switches with the wrong temperature rating cause short cycling or allow dangerous overheating. For a primary safety control, match the OEM part exactly.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate (3 of 5).\u003c\/strong\u003e Disconnect power, unplug the two terminal wires, remove the mounting screws, seat the new limit, and reconnect. Standard hand tools and basic electrical knowledge required.\u003c\/p\u003e\u003cp\u003eIf the limit keeps tripping, correct the airflow restriction before assuming the switch has failed.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Direct Replacement","offer_id":63032445600115,"sku":"20162903-GEN","price":13.95,"currency_code":"USD","in_stock":true},{"title":"OEM","offer_id":63048143241587,"sku":"20162903","price":18.13,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-limit-switch-snap-disc-20162903_3084373d-ccf2-4c66-ab06-a78814275bbc.jpg?v=1782945227","url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-150-f-primary-limit-switch-for-acss961005cnaa-20162903","provider":"National HVAC Parts","version":"1.0","type":"link"}