{"product_id":"oem-goodman-120-f-auxiliary-limit-switch-for-gsms080-4-b1370155","title":"OEM Goodman 120°F Auxiliary Limit Switch for GSMS080-4 — B1370155","description":"\u003cp\u003eThe genuine OEM Goodman \u003cstrong\u003eB1370155 auxiliary limit switch\u003c\/strong\u003e is a \u003cstrong\u003e120°F\u003c\/strong\u003e temperature limit that protects your \u003cstrong\u003eGSMS080-4\u003c\/strong\u003e furnace from overheating in the blower compartment. If airflow is restricted — a clogged filter, blocked return, or failed blower — heat builds up and this switch opens to shut down the burners before damage occurs. When conditions cool, it automatically resets, allowing normal operation to resume.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTrip temperature: 120°F\u003c\/li\u003e\n\u003cli\u003eReset: Automatic reset\u003c\/li\u003e\n\u003cli\u003eFunction: Auxiliary \/ blower-compartment high-limit safety\u003c\/li\u003e\n\u003cli\u003eFit: Goodman\/Amana GSMS080-4 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 matches the exact 120°F setpoint and mounting your furnace was engineered around. As a safety limit, an exact-rated part is the smart choice — generic auto-reset limits at a similar rating cost a little less, but a mismatched trip point can cause repeated nuisance shutdowns or mask a real airflow fault. OEM recommended.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (2\/5).\u003c\/strong\u003e Cut power to the furnace, photograph the wiring, remove the two mounting screws, transfer the spade terminals, and reinstall in the same location and orientation. Around 10–15 minutes. If the switch had been tripping, check the air filter and blower operation before restoring the furnace to service.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058181816691,"sku":"GOODMAN-12974","price":11.96,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-120-f-auxiliary-limit-switch-for-gsms080-4-b1370155","provider":"National HVAC Parts","version":"1.0","type":"link"}