{"product_id":"oem-goodman-primary-limit-temperature-control-for-amec960803bnac-20162904","title":"OEM Goodman Primary Limit Temperature Control for AMEC960803BNAC — 20162904","description":"\u003ch2\u003eOEM Goodman 20162904 Primary Limit Temperature Control\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003e20162904 primary limit temperature control\u003c\/strong\u003e is the main high-limit safety switch for the Goodman\/Amana \u003cstrong\u003eAMEC960803BNAC\u003c\/strong\u003e gas furnace. It continuously monitors supply-air temperature at the heat exchanger and interrupts the gas valve if the furnace overheats — protecting the heat exchanger from cracking and preventing a fire hazard. A furnace that short-cycles on heat, trips the burner shortly after ignition, or throws a limit-open fault code is often signaling a failed or drifting primary limit.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart type: Primary (high) limit temperature control\u003c\/li\u003e\n\u003cli\u003eFunction: Automatic-reset thermal safety switch\u003c\/li\u003e\n\u003cli\u003eCircuit: Normally closed, opens on overtemperature\u003c\/li\u003e\n\u003cli\u003eFits: Goodman \/ Amana AMEC960803BNAC gas furnace\u003c\/li\u003e\n\u003cli\u003ePosition: Heat exchanger \/ supply-air limit location\u003c\/li\u003e\n\u003cli\u003eOEM part number: 20162904\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThis is a \u003cstrong\u003egenuine OEM Goodman\u003c\/strong\u003e control calibrated to the exact trip point specified for this furnace platform. Universal or generic limit switches often carry a different set point or mounting footprint, which can cause nuisance trips or fail to protect the heat exchanger correctly. Because this part governs a life-safety function, we recommend matching OEM specification rather than substituting a generic.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eRating: Easy–Moderate (2 of 5).\u003c\/strong\u003e Replacement is a single mounting-plate swap with two spade terminals — typically 15–20 minutes for a competent DIYer. \u003cstrong\u003eAlways shut off gas and 120V power at the disconnect before servicing.\u003c\/strong\u003e Gas-fired heating repairs should be verified by a licensed HVAC technician.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057575379315,"sku":"GOODMAN-4220","price":35.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-primary-limit-temperature-control-for-amec960803bnac-20162904","provider":"National HVAC Parts","version":"1.0","type":"link"}