{"product_id":"oem-goodman-primary-limit-switch-for-gmv90703bxba-20162904","title":"OEM Goodman Primary Limit Switch for GMV90703BXBA — 20162904","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman 20162904 Primary Limit Temperature Control\u003c\/strong\u003e is a genuine OEM high-limit safety switch for the \u003cstrong\u003eGMV90703BXBA\u003c\/strong\u003e gas furnace. Mounted on the heat exchanger\/burner bulkhead, this thermostatically-actuated control opens the circuit and shuts down the burners if the furnace overheats — protecting the heat exchanger from cracking and preventing dangerous operating temperatures. It automatically resets once the furnace cools to a safe range.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e 20162904\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Primary High-Limit Temperature Control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Automatic-reset thermal safety cutoff\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContacts:\u003c\/strong\u003e Normally closed, opens on temperature rise\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits Model:\u003c\/strong\u003e GMV90703BXBA (and compatible Goodman\/Amana furnaces)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Goodman (OEM)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe limit switch's trip temperature is matched to this furnace's heat exchanger design. Genuine OEM 20162904 opens at the correct factory setpoint. Generic limits with a different rating can trip early (nuisance shutoffs) or too late (overheat risk). For a temperature-safety control, OEM is the recommended choice.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy to Moderate (2\/5).\u003c\/strong\u003e Turn off power, disconnect the two wire terminals, remove the two mounting screws, and install the replacement in the same orientation. 15–20 minutes with basic tools. Verify the new switch seats flush against the bulkhead for accurate temperature sensing.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058171986291,"sku":"GOODMAN-12694","price":35.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-primary-limit-switch-for-gmv90703bxba-20162904","provider":"National HVAC Parts","version":"1.0","type":"link"}