{"product_id":"oem-goodman-150f-primary-limit-switch-for-amh81155cxaa-b1370198","title":"OEM Goodman 150F Primary Limit Switch for AMH81155CXAA — B1370198","description":"\u003cp\u003eThe Goodman \u003cstrong\u003eB1370198 Primary Limit Switch\u003c\/strong\u003e is the genuine OEM high-limit safety control for the Goodman\/Amana \u003cstrong\u003eAMH81155CXAA\u003c\/strong\u003e gas furnace and related 80% AFUE units. This switch sits in the supply-air stream above the heat exchanger and shuts off the gas valve if the plenum temperature climbs too high, preventing heat-exchanger damage and unsafe operation.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: Primary high-limit switch\u003c\/li\u003e\n\u003cli\u003eTrip point: 150°F (opens on rise)\u003c\/li\u003e\n\u003cli\u003eReset: Automatic\u003c\/li\u003e\n\u003cli\u003eTerminal: 1\/4\" quick-connect spade\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: B1370198\u003c\/li\u003e\n\u003cli\u003eFits: AMH81155CXAA and select Goodman\/Amana furnaces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe factory B1370198 is set to Goodman's precise 150°F opening temperature, ensuring the furnace cycles safely without premature shutdowns. Generic substitutes frequently drift from spec, leading to short-cycling and comfort complaints. Because the primary limit directly controls the gas valve, we strongly recommend the genuine OEM part.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (2\/5).\u003c\/strong\u003e Kill power at the breaker, remove the two retaining screws on the limit, transfer the two spade connectors, and reinstall in the same orientation. Typical replacement takes 10–15 minutes with a nut driver. Verify no voltage before you begin.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057649172851,"sku":"GOODMAN-6036","price":26.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-150f-primary-limit-switch-for-amh81155cxaa-b1370198","provider":"National HVAC Parts","version":"1.0","type":"link"}