{"product_id":"oem-goodman-150-f-primary-limit-switch-for-amh81155cnac-b1370198","title":"OEM Goodman 150°F Primary Limit Switch for AMH81155CNAC — B1370198","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B1370198 Primary Limit Switch\u003c\/strong\u003e is a factory-original high-limit safety control engineered for the \u003cstrong\u003eAmana\/Goodman AMH81155CNAC\u003c\/strong\u003e gas furnace. This normally-closed thermal switch opens at approximately 150°F to shut down the burners if the heat exchanger area overheats due to restricted airflow, a failed blower, or a dirty filter — protecting your furnace from thermal damage and preventing unsafe operation.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e B1370198\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrip Temperature:\u003c\/strong\u003e 150°F (auto-reset)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Primary high-limit switch, normally closed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits Model:\u003c\/strong\u003e AMH81155CNAC and compatible Goodman\/Amana 80% furnaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment:\u003c\/strong\u003e Gas furnace\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThis is a genuine \u003cstrong\u003eOEM Goodman\u003c\/strong\u003e component calibrated to the exact trip point your furnace's control board expects. Aftermarket limit switches often carry wider temperature tolerances that can cause nuisance lockouts or delayed tripping. For a safety-critical component, we recommend the OEM part for guaranteed fit and reliable protection.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy\u003c\/strong\u003e — typically a 2-screw mount with two spade terminals. Always disconnect power before servicing. If your furnace is short-cycling or locking out on limit, this is a common culprit.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057644224883,"sku":"GOODMAN-6025","price":18.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-150-f-primary-limit-switch-for-amh81155cnac-b1370198","provider":"National HVAC Parts","version":"1.0","type":"link"}