{"product_id":"oem-goodman-120-f-auxiliary-limit-switch-for-ams81155cxaa-b1370155","title":"OEM Goodman 120°F Auxiliary Limit Switch for AMS81155CXAA — B1370155","description":"\u003cp\u003eThe Goodman \u003cstrong\u003eB1370155 Auxiliary Limit Switch\u003c\/strong\u003e is the genuine OEM \u003cstrong\u003e120°F auto-reset high-limit control\u003c\/strong\u003e for the \u003cstrong\u003eAMS81155CXAA\u003c\/strong\u003e 80% AFUE furnace and compatible Goodman\/Amana models. Typically mounted near the blower or coil area, this secondary limit protects against overheating from restricted airflow, a dirty filter, or blower failure by interrupting the heat call.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart type: Auxiliary \/ secondary high-limit switch\u003c\/li\u003e\n\u003cli\u003eTrip temperature: 120°F (open on rise)\u003c\/li\u003e\n\u003cli\u003eReset: Automatic\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: B1370155\u003c\/li\u003e\n\u003cli\u003eFits model: AMS81155CXAA (80% AFUE furnace)\u003c\/li\u003e\n\u003cli\u003eBrand: Goodman \/ Amana (Daikin family)\u003c\/li\u003e\n\u003cli\u003eCategory: Limit Switch (Safety)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eOEM B1370155 is calibrated to the precise 120°F set point and bracket layout your furnace requires. Aftermarket limits with a different trip temperature can cause short-cycling or fail to protect the equipment. For an airflow-safety control, genuine OEM is the right choice.\u003c\/p\u003e\u003ch3\u003eWhy Replace It\u003c\/h3\u003e\u003cp\u003eA weak or failed auxiliary limit causes intermittent shutdowns or short-cycling on the heat call. Replacing it restores dependable overheat protection — but first clear any airflow restriction (filter, blower, ductwork) that may be tripping it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstall difficulty: Easy.\u003c\/strong\u003e Roughly 15 minutes: disconnect power, remove the mounting screws and spade terminals, and install the replacement. Confirm normal cycling after service.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057716707699,"sku":"GOODMAN-7198","price":11.96,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-120-f-auxiliary-limit-switch-for-ams81155cxaa-b1370155","provider":"National HVAC Parts","version":"1.0","type":"link"}