{"product_id":"oem-goodman-120-f-auxiliary-limit-switch-for-ads81155cna-b1370155-1","title":"OEM Goodman 120°F Auxiliary Limit Switch for ADS81155CNA — B1370155","description":"\u003ch2\u003eGoodman B1370155 Auxiliary Limit Switch (120°F)\u003c\/h2\u003e\u003cp\u003eThe B1370155 is a genuine OEM 120°F auxiliary high-limit switch for the Goodman \u003cstrong\u003eADS81155CNA\u003c\/strong\u003e furnace and compatible Goodman\/Amana models. Typically located on or near the blower housing, this auxiliary limit guards against secondary overheating — such as a stuck blower or restricted return air — by opening the circuit and shutting down the furnace before temperatures reach unsafe levels. It supplements the primary high-limit for an added layer of protection.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTrip temperature: 120°F (auto reset)\u003c\/li\u003e\n\u003cli\u003eType: Normally closed auxiliary high-limit\u003c\/li\u003e\n\u003cli\u003eFunction: Secondary overheat protection\u003c\/li\u003e\n\u003cli\u003eFit: Goodman ADS81155CNA and compatible furnaces\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: B1370155\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003egenuine Goodman OEM\u003c\/strong\u003e switch matches the exact 120°F trip point and mounting bracket your furnace requires. Generic limit switches often differ in temperature tolerance and disc geometry, which can cause early trips or fail to protect at the right threshold. For a safety device, OEM accuracy matters.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy\u003c\/strong\u003e — about 10–15 minutes. Disconnect power, remove the two mounting screws, slide off the spade connectors, and install the replacement in the same orientation. Confirm continuity with a meter at room temperature before restoring power.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057499128179,"sku":"GOODMAN-3127","price":16.96,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-120-f-auxiliary-limit-switch-for-ads81155cna-b1370155-1","provider":"National HVAC Parts","version":"1.0","type":"link"}