{"product_id":"oem-goodman-120f-auxiliary-limit-switch-for-amh80903bnab-b1370155","title":"OEM Goodman 120F Auxiliary Limit Switch for AMH80903BNAB — B1370155","description":"\u003cp\u003eThe \u003cstrong\u003eOEM Goodman B1370155 auxiliary limit switch\u003c\/strong\u003e is a genuine 120°F overheat safety limit for \u003cstrong\u003eAMH80903BNAB\u003c\/strong\u003e furnaces and other compatible Goodman and Amana models. It protects the blower and cabinet by opening the control circuit if temperatures in the blower compartment exceed safe levels — typically triggered by a failed blower, blocked return, or dirty filter. A bad auxiliary limit can cause the furnace to short-cycle or fail to run.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTrip temperature: 120°F\u003c\/li\u003e\n\u003cli\u003eType: auxiliary\/secondary overheat limit\u003c\/li\u003e\n\u003cli\u003eAuto-reset on temperature drop\u003c\/li\u003e\n\u003cli\u003eFits: Goodman\/Amana AMH80903BNAB 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\u003eOEM B1370155\u003c\/strong\u003e is set to the precise 120°F threshold required by your furnace's safety design. As a protective limit, matching the exact trip point is critical — generic substitutes with different calibration risk both nuisance trips and unsafe overheating. Genuine OEM ensures correct protection.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy.\u003c\/strong\u003e Disconnect power, remove the two spade connectors, unscrew the mounting bracket, and fit the replacement in the same location and orientation. Verify airflow and filter condition, since these often cause an auxiliary limit to trip in the first place.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057628791155,"sku":"GOODMAN-5708","price":11.96,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-120f-auxiliary-limit-switch-for-amh80903bnab-b1370155","provider":"National HVAC Parts","version":"1.0","type":"link"}