{"product_id":"oem-goodman-l200-primary-limit-switch-for-ams80403axac-20162901","title":"OEM Goodman L200 Primary Limit Switch for AMS80403AXAC — 20162901","description":"\u003cp\u003eThe Goodman \u003cstrong\u003e20162901 Primary Limit Switch\u003c\/strong\u003e is a genuine OEM high-temperature safety control engineered for the \u003cstrong\u003eAMS80403AXAC\u003c\/strong\u003e 80% AFUE gas furnace and compatible Goodman and Amana models. Mounted on the heat exchanger bulkhead, this normally-closed thermal switch continuously monitors supply-air temperature and shuts off the gas valve if the furnace overheats — protecting the heat exchanger, blower, and your home from unsafe conditions.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: Primary high-limit switch (auto-reset)\u003c\/li\u003e\n\u003cli\u003eFits: Goodman \u0026amp; Amana 80% single-stage gas furnaces, incl. AMS80403AXAC\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: 20162901\u003c\/li\u003e\n\u003cli\u003eFunction: Overheat protection \/ gas valve cutoff\u003c\/li\u003e\n\u003cli\u003eMounting: Bolt-on bulkhead, plug terminals\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThis is a \u003cstrong\u003egenuine Goodman OEM part\u003c\/strong\u003e calibrated to the exact trip temperature your furnace's control board expects. Generic aftermarket limits are often close but not identical, which can cause premature tripping or delayed shutoff. Choosing OEM guarantees correct temperature rating, terminal spacing, and mounting fit — no guesswork on a safety-critical component.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (1\/5).\u003c\/strong\u003e Disconnect furnace power, remove two mounting screws, unplug the two spade terminals, and reverse to install the new switch. Most homeowners complete this in under 15 minutes with a nut driver. If the furnace is short-cycling on limit, also inspect airflow and the blower before replacing.\u003c\/p\u003e\u003cp\u003eBacked by genuine OEM quality and shipped fast so your furnace is back in service quickly.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057683579251,"sku":"GOODMAN-6720","price":26.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-l200-primary-limit-switch-for-ams80403axac-20162901","provider":"National HVAC Parts","version":"1.0","type":"link"}