{"product_id":"oem-goodman-150-f-primary-limit-switch-for-dhs80704bxa-b1370198","title":"OEM Goodman 150°F Primary Limit Switch for DHS80704BXA — B1370198","description":"\u003ch2\u003eGoodman B1370198 Primary Limit Switch (150°F)\u003c\/h2\u003e\u003cp\u003eThe B1370198 is a genuine Goodman primary high-limit switch built as an exact-fit replacement for the \u003cstrong\u003eGoodman DHS80704BXA\u003c\/strong\u003e gas furnace. Mounted on the heat-exchanger vestibule, this normally-closed thermal control continuously senses plenum temperature and interrupts the burner circuit if the furnace exceeds its 150°F set point. It is the front-line overheat protection that keeps the heat exchanger from operating outside its rated temperature during low-airflow or high-static conditions.\u003c\/p\u003e\u003cp\u003eWhen a primary limit fails open or trips prematurely, the classic symptoms are a furnace that lights, runs briefly, then shuts down and repeats — or one that produces no heat at all. Replacing a fatigued limit restores reliable, safe cycling.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTrip temperature: 150°F (open on rise)\u003c\/li\u003e\n\u003cli\u003eFunction: Primary high-limit safety cutout\u003c\/li\u003e\n\u003cli\u003eContacts: Normally closed, automatic reset\u003c\/li\u003e\n\u003cli\u003eFits: Goodman DHS80704BXA and related furnace platforms\u003c\/li\u003e\n\u003cli\u003eEquipment type: Gas furnace\u003c\/li\u003e\n\u003cli\u003eOEM part number: B1370198\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eChoosing the \u003cstrong\u003egenuine Goodman OEM switch\u003c\/strong\u003e guarantees the correct 150°F calibration and mounting geometry. Universal aftermarket limits frequently use a different trip point or bracket, which can cause nuisance trips or leave the heat exchanger under-protected. On a life-safety control, OEM is the right call.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eRating: Easy (2\/5).\u003c\/strong\u003e A straightforward two-screw, two-terminal replacement, about 15–25 minutes. Cut gas and electrical power first. Given its safety role, have a qualified technician confirm proper airflow and normal furnace operation afterward.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058013225331,"sku":"GOODMAN-9476","price":18.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-150-f-primary-limit-switch-for-dhs80704bxa-b1370198","provider":"National HVAC Parts","version":"1.0","type":"link"}