{"product_id":"oem-goodman-120-f-auxiliary-limit-switch-for-gmth070-4b-b1370155","title":"OEM Goodman 120°F Auxiliary Limit Switch for GMTH070-4B — B1370155","description":"\u003ch2\u003eGoodman B1370155 Auxiliary Limit Switch (120°F)\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eB1370155\u003c\/strong\u003e is a genuine OEM auxiliary high-limit switch engineered for the Goodman \u003cstrong\u003eGMTH070-4B\u003c\/strong\u003e gas furnace and compatible Goodman\/Amana models. This temperature-activated safety control opens the circuit when the auxiliary sensing zone reaches its 120°F trip point, protecting the heat exchanger and blower assembly from overheating during abnormal airflow conditions. Installing the correct limit switch keeps your furnace's safety chain intact and prevents nuisance lockouts.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e B1370155\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Auxiliary high-limit \/ rollout safety switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrip Temperature:\u003c\/strong\u003e 120°F (open on rise, auto-reset)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Goodman (Amana compatible)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment:\u003c\/strong\u003e Gas furnace — fits GMTH070-4B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Direct OEM replacement, bracket-mount\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eOur \u003cstrong\u003eOEM Goodman B1370155\u003c\/strong\u003e matches the factory trip point and terminal layout exactly for guaranteed fit and calibration. The \u003cstrong\u003egeneric equivalent\u003c\/strong\u003e delivers the same 120°F protection at a lower price point — a smart choice for budget-conscious repairs where an exact factory part number isn't required.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (1\/5).\u003c\/strong\u003e A basic two-wire swap that most DIY homeowners complete in under 15 minutes with a nut driver. Always disconnect power at the breaker before servicing. If you're unsure about your furnace's safety circuit, consult a licensed HVAC technician.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058166382963,"sku":"GOODMAN-12555","price":24.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-120-f-auxiliary-limit-switch-for-gmth070-4b-b1370155","provider":"National HVAC Parts","version":"1.0","type":"link"}