{"product_id":"oem-goodman-primary-limit-temperature-control-for-wfd195070s4caa-20162904","title":"OEM Goodman Primary Limit Temperature Control for WFD195070S4CAA — 20162904","description":"\u003ch2\u003eGoodman 20162904 Primary Limit Temperature Control\u003c\/h2\u003e\u003cp\u003eThe Goodman \u003cstrong\u003e20162904\u003c\/strong\u003e primary limit temperature control is a critical safety switch for the \u003cstrong\u003eWFD195070S4CAA\u003c\/strong\u003e gas furnace. Mounted on the heat exchanger\/plenum, it monitors supply-air temperature and shuts off the burners if the furnace overheats — protecting the heat exchanger and your home. A failed limit switch is a frequent cause of no-heat, short-cycling, and lockout conditions.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart number: 20162904\u003c\/li\u003e\n\u003cli\u003eType: Primary high-limit temperature control (safety switch)\u003c\/li\u003e\n\u003cli\u003eFunction: Automatic burner shutoff on over-temperature\u003c\/li\u003e\n\u003cli\u003eReset: Automatic\u003c\/li\u003e\n\u003cli\u003eEquipment: Gas furnace\u003c\/li\u003e\n\u003cli\u003eBrand: Goodman (OEM)\u003c\/li\u003e\n\u003cli\u003ePrimary fit: WFD195070S4CAA\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eOEM 20162904\u003c\/strong\u003e is calibrated to the exact trip temperature specified for this furnace, ensuring correct and safe operation. Generic limit switches may trip at the wrong temperature, causing nuisance shutdowns or, worse, failing to protect the unit. For a safety-critical control, OEM is strongly recommended.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate (3\/5)\u003c\/strong\u003e — Requires removing the furnace access panel, disconnecting two wire leads, and unscrewing the mounting bracket. Shut off gas and power before servicing. A licensed HVAC technician is recommended for safety-control replacement.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058220319091,"sku":"GOODMAN-13958","price":62.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-primary-limit-temperature-control-for-wfd195070s4caa-20162904","provider":"National HVAC Parts","version":"1.0","type":"link"}