{"product_id":"oem-goodman-120-f-auxiliary-limit-switch-for-dds80703axa-b1370155","title":"OEM Goodman 120°F Auxiliary Limit Switch for DDS80703AXA — B1370155","description":"\u003ch2\u003eGoodman B1370155 Auxiliary Limit Switch — 120°F\u003c\/h2\u003e\u003cp\u003eThe Goodman \u003cstrong\u003eB1370155\u003c\/strong\u003e is a genuine OEM auxiliary limit switch rated at 120°F, built for the \u003cstrong\u003eGoodman DDS80703AXA\u003c\/strong\u003e gas furnace and compatible models. Located in the blower compartment, this backup high-limit safety opens the control circuit if temperatures climb too high due to restricted airflow, a dirty filter, or blower failure. It protects the furnace from overheating when the primary limit does not respond, preventing heat-exchanger damage and nuisance lockouts.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTrip temperature: 120°F (open on rise, auto-reset)\u003c\/li\u003e\n\u003cli\u003eType: Auxiliary \/ backup high-limit switch\u003c\/li\u003e\n\u003cli\u003eFunction: Blower-compartment over-temperature protection\u003c\/li\u003e\n\u003cli\u003eTerminals: Standard 1\/4 in male spade\u003c\/li\u003e\n\u003cli\u003eFits: Goodman DDS80703AXA furnace\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 B1370155\u003c\/strong\u003e is factory-calibrated to the precise 120°F trip point for dependable secondary protection. A \u003cstrong\u003egeneric 120°F auxiliary limit\u003c\/strong\u003e may cost less — confirm the exact trip temperature, mounting bracket, and terminal type, as accurate calibration is essential for a safety device.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (2\/5).\u003c\/strong\u003e Unscrew the switch from its bracket, move the two wire connectors, and remount — roughly 15 minutes with a screwdriver. Disconnect power before servicing. If this switch trips often, check the air filter and blower operation, and have persistent overheating diagnosed by a licensed HVAC technician.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058012275059,"sku":"GOODMAN-9439","price":11.96,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-120-f-auxiliary-limit-switch-for-dds80703axa-b1370155","provider":"National HVAC Parts","version":"1.0","type":"link"}