{"product_id":"oem-goodman-120-f-auxiliary-limit-switch-for-amh81405dnac-b1370155","title":"OEM Goodman 120°F Auxiliary Limit Switch for AMH81405DNAC — B1370155","description":"\u003ch2\u003eOEM Goodman B1370155 Auxiliary Limit Switch (120°F)\u003c\/h2\u003e\u003cp\u003eThe Goodman B1370155 is a genuine OEM auxiliary high-limit switch rated at \u003cstrong\u003e120°F\u003c\/strong\u003e for \u003cstrong\u003eAMH81405DNAC\u003c\/strong\u003e gas furnaces. Typically mounted near the blower compartment, this auto-reset limit guards against heat buildup from restricted airflow — a dirty filter, closed dampers, or a failing blower — by interrupting the heating circuit until temperatures return to a safe range. It is a direct-fit replacement across compatible Goodman and Amana models.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Limit Switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e B1370155\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrip Temperature:\u003c\/strong\u003e 120°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Auxiliary \/ secondary high limit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e AMH81405DNAC and compatible Goodman\/Amana furnaces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe genuine OEM B1370155 is factory-calibrated to the 120°F trip point and mounting footprint this furnace expects. Generic substitutes with mismatched temperatures or terminal layouts can nuisance-trip or fail to protect the cabinet. OEM ensures the furnace's airflow-safety logic works as designed.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy to Moderate\u003c\/strong\u003e — cut power, remove two screws and the wire terminals, and install the replacement in the same orientation. Confirm airflow is corrected so the new limit doesn't trip again.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057654710643,"sku":"GOODMAN-6153","price":11.96,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-120-f-auxiliary-limit-switch-for-amh81405dnac-b1370155","provider":"National HVAC Parts","version":"1.0","type":"link"}