{"product_id":"oem-goodman-120-f-auxiliary-limit-switch-for-gmnt090-4b-b1370155","title":"OEM Goodman 120°F Auxiliary Limit Switch for GMNT090-4B — B1370155","description":"\u003ch2\u003eGoodman B1370155 Auxiliary Limit Switch (120°F)\u003c\/h2\u003e\u003cp\u003eThe B1370155 is a genuine OEM auxiliary limit switch for the Goodman\/Amana \u003cstrong\u003eGMNT090-4B\u003c\/strong\u003e furnace. Mounted near the blower or supply plenum, this auto-reset switch monitors secondary air temperature and opens at 120°F to protect against overheating caused by low airflow, a dirty filter, or blower issues — a key backup to the primary high-limit.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: Auto-reset auxiliary high-limit switch\u003c\/li\u003e\n\u003cli\u003eOpen temperature: 120°F (49°C)\u003c\/li\u003e\n\u003cli\u003eTerminals: 2 blade \/ quick-connect\u003c\/li\u003e\n\u003cli\u003eFits: Goodman\/Amana GMNT090-4B 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 Goodman switch\u003c\/strong\u003e matches the exact 120°F set point and bracket profile your furnace was designed around. Generic replacements frequently differ in trip temperature and can trigger premature lockouts or fail to protect the unit properly. OEM is the safe, exact-fit choice.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (1\/5).\u003c\/strong\u003e Kill power, note wire positions, unclip the two leads, remove the retaining screws, and install the replacement. Typical swap time is 10–15 minutes.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058130305395,"sku":"GOODMAN-11701","price":11.96,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-120-f-auxiliary-limit-switch-for-gmnt090-4b-b1370155","provider":"National HVAC Parts","version":"1.0","type":"link"}