{"product_id":"oem-goodman-150-f-primary-limit-switch-for-amh81155cnab-b1370198","title":"OEM Goodman 150°F Primary Limit Switch for AMH81155CNAB — B1370198","description":"\u003ch2\u003eGoodman B1370198 Primary Limit Switch (150°F)\u003c\/h2\u003e\u003cp\u003eThe Goodman \u003cstrong\u003eB1370198\u003c\/strong\u003e is a genuine OEM 150°F primary high-limit switch for the \u003cstrong\u003eAMH81155CNAB\u003c\/strong\u003e furnace and compatible Goodman\/Amana models. Mounted on the heat exchanger or supply plenum, this control continuously monitors discharge air temperature and shuts off the gas valve if the furnace overheats — the main defense against heat-exchanger damage from low airflow. When it fails, the furnace may short-cycle or stop heating entirely.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTrip Temperature: 150°F\u003c\/li\u003e\n\u003cli\u003eType: Primary high-limit switch\u003c\/li\u003e\n\u003cli\u003eReset: Automatic (temperature-sensing)\u003c\/li\u003e\n\u003cli\u003eCompatibility: AMH81155CNAB and related Goodman\/Amana furnaces\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: B1370198\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eBecause the primary limit governs the furnace's core safety shutoff, the genuine OEM B1370198 and its precise 150°F calibration matter. Substituting a switch with a different set point risks nuisance lockouts or unsafe over-temperature operation. OEM guarantees the correct trip point and mounting fit.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (2\/5).\u003c\/strong\u003e Turn off gas and power, disconnect the wiring terminals, remove the two mounting screws, and install the replacement in the same orientation. About 15–20 minutes. Restore airflow (filter, blower, ducting) to avoid recurring trips.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057642881395,"sku":"GOODMAN-6014","price":12.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-150-f-primary-limit-switch-for-amh81155cnab-b1370198","provider":"National HVAC Parts","version":"1.0","type":"link"}