{"product_id":"oem-goodman-210-f-primary-limit-switch-for-adv81155cxa-b1370190","title":"OEM Goodman 210°F Primary Limit Switch for ADV81155CXA — B1370190","description":"\u003cp\u003eThe Goodman \u003cstrong\u003eB1370190 Primary Limit Switch\u003c\/strong\u003e is the genuine OEM high-limit safety control for the \u003cstrong\u003eADV81155CXA\u003c\/strong\u003e gas furnace and related Goodman\/Amana models. Rated to open at \u003cstrong\u003e210°F\u003c\/strong\u003e, it mounts on the heat-exchanger\/plenum area and de-energizes the gas valve if supply-air temperature climbs too high — the furnace's main line of defense against a blocked blower, dirty filter, or restricted ductwork.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e B1370190\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Primary high-limit protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrip Temperature:\u003c\/strong\u003e 210°F (open on rise)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Goodman OEM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment:\u003c\/strong\u003e Gas furnace\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Fit:\u003c\/strong\u003e ADV81155CXA\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe primary limit is a life-safety device tuned to your furnace's specific heat-exchanger geometry and airflow. The OEM B1370190 delivers the exact 210°F set point and bracket the unit expects. Generic replacements with approximate ratings risk premature lockouts or delayed shutdowns; for a component that prevents overheating, match factory spec.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (1\/5).\u003c\/strong\u003e Remove two mounting screws, transfer the spade connectors, and reinstall — about 10 minutes. Cut power and gas first, and verify airflow issues (filter, blower) are resolved so the new limit isn't tripped by an underlying fault.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057512300915,"sku":"GOODMAN-3476","price":10.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-210-f-primary-limit-switch-for-adv81155cxa-b1370190","provider":"National HVAC Parts","version":"1.0","type":"link"}