{"product_id":"oem-goodman-manual-reset-limit-switch-for-wfd195090s4caa-10123534","title":"OEM Goodman Manual Reset Limit Switch for WFD195090S4CAA — 10123534","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman 10123534 Manual Reset Limit Switch\u003c\/strong\u003e is a genuine OEM safety control for the \u003cstrong\u003eWFD195090S4CAA\u003c\/strong\u003e gas furnace. This high-limit switch monitors heat-exchanger and plenum temperature and opens the control circuit if the furnace overheats — most often due to a dirty filter, blocked airflow, or a failing blower. Because it's a \u003cem\u003emanual reset\u003c\/em\u003e design, it locks out and must be pressed to restore heat, alerting the homeowner or technician that an overheat condition occurred rather than silently re-cycling.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 10123534\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Manual Reset High-Limit Switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits Model:\u003c\/strong\u003e WFD195090S4CAA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Overheat safety cutout, normally closed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReset:\u003c\/strong\u003e Manual push-button\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 genuine OEM switch is calibrated to the exact trip and reset temperatures Goodman specifies for the WFD195090S4CAA. Generic limit switches with the wrong temperature rating either nuisance-trip during normal operation or, worse, fail to open when they should — defeating a critical safety function. Always use OEM for safety controls.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (2\/5).\u003c\/strong\u003e Disconnect the two spade terminals, remove the mounting screws, and install the replacement in the same orientation. A 10–15 minute job — but investigate \u003cem\u003ewhy\u003c\/em\u003e the switch tripped (airflow, filter, blower) before returning the unit to service. Cut power at the disconnect first.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058220974451,"sku":"GOODMAN-13978","price":8.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-manual-reset-limit-switch-for-wfd195090s4caa-10123534","provider":"National HVAC Parts","version":"1.0","type":"link"}