{"product_id":"oem-goodman-150f-primary-limit-switch-for-amh81405dnab-b1370198","title":"OEM Goodman 150F Primary Limit Switch for AMH81405DNAB — B1370198","description":"\u003cp\u003eThe Goodman \u003cstrong\u003eB1370198 Primary High-Limit Switch\u003c\/strong\u003e is the genuine OEM main temperature-limit control for the \u003cstrong\u003eAMH81405DNAB\u003c\/strong\u003e gas furnace. Installed on the heat-exchanger bulkhead, it monitors supply-air temperature and shuts off the gas valve if the furnace overheats — the primary line of defense against heat-exchanger damage from restricted airflow.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTrip temperature: 150°F (opens on rise)\u003c\/li\u003e\n\u003cli\u003eType: Primary high-limit switch\u003c\/li\u003e\n\u003cli\u003eReset: Auto-reset on temperature fall\u003c\/li\u003e\n\u003cli\u003eFunction: Heat-exchanger \/ supply-air overheat protection\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: B1370198\u003c\/li\u003e\n\u003cli\u003eFits: Goodman\/Amana AMH81405DNAB furnace\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eOEM Goodman B1370198\u003c\/strong\u003e is calibrated to the exact 150°F opening temperature engineered for your furnace's heat rise. A mismatched generic limit can cause short-cycling or fail to protect the heat exchanger. For this safety-critical part, OEM is the right choice.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (2\/5).\u003c\/strong\u003e Shut off power and gas, remove the burner-compartment door, disconnect the two terminals, unscrew the limit from the bulkhead, and fit the replacement in the same orientation. Roughly 15–20 minutes. Check and replace a dirty filter to prevent repeat trips.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057654415731,"sku":"GOODMAN-B1370198","price":12.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-150f-primary-limit-switch-for-amh81405dnab-b1370198","provider":"National HVAC Parts","version":"1.0","type":"link"}