{"product_id":"oem-goodman-120-f-auxiliary-limit-switch-for-amh80904bnac-b1370155","title":"OEM Goodman 120°F Auxiliary Limit Switch for AMH80904BNAC — B1370155","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B1370155\u003c\/strong\u003e is a genuine OEM auxiliary limit switch rated at \u003cstrong\u003e120°F\u003c\/strong\u003e for the \u003cstrong\u003eAMH80904BNAC\u003c\/strong\u003e gas furnace and compatible Goodman\/Amana models. This secondary safety limit typically mounts in the blower compartment and opens the control circuit if temperatures climb too high from restricted airflow or a stuck blower — protecting the cabinet and wiring from heat damage. It supplements the primary limit for an added layer of over-temperature protection.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTrip temperature: 120°F (open on rise)\u003c\/li\u003e\n\u003cli\u003eType: Auxiliary\/secondary limit switch, auto or manual reset per application\u003c\/li\u003e\n\u003cli\u003eFunction: Blower-compartment over-temperature protection\u003c\/li\u003e\n\u003cli\u003eFit: Goodman AMH80904BNAC 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\u003c\/strong\u003e limit is factory-set to the 120°F trip point specified for this furnace's safety design. As a safety device, matching the exact set point and terminal layout matters — generic switches with different ratings can cause nuisance shutdowns or inadequate protection.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (2\/5).\u003c\/strong\u003e Power off, remove the mounting screws, swap the spade connectors onto the new switch, and reinstall in the same location and orientation. A quick job for a DIYer; confirm the airflow issue that caused the trip.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057632657779,"sku":"GOODMAN-B1370155","price":11.96,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-120-f-auxiliary-limit-switch-for-amh80904bnac-b1370155","provider":"National HVAC Parts","version":"1.0","type":"link"}