{"product_id":"oem-goodman-manual-reset-limit-switch-for-wfm18140s5dncb-10123529","title":"OEM Goodman Manual Reset Limit Switch for WFM18140S5DNCB — 10123529","description":"\u003ch2\u003eGoodman 10123529 Manual Reset Limit Switch\u003c\/h2\u003e\u003cp\u003eRestore safe operation to your Goodman \u003cstrong\u003eWFM18140S5DNCB\u003c\/strong\u003e furnace with the genuine OEM 10123529 manual reset limit switch. This normally-closed thermal safety device opens the control circuit if it senses excessive heat or a flame-rollout condition, shutting down the burners to prevent overheating and heat-exchanger damage. Because it is a \u003cem\u003emanual reset\u003c\/em\u003e switch, it will not automatically re-close after a fault — you press the reset button once the underlying cause has been corrected, giving you a clear indication that a safety event occurred.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: Manual reset high-limit \/ rollout switch\u003c\/li\u003e\n\u003cli\u003eConfiguration: Normally closed (opens on temperature rise)\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: 10123529\u003c\/li\u003e\n\u003cli\u003eFits: Goodman WFM18140S5DNCB and compatible gas furnaces\u003c\/li\u003e\n\u003cli\u003eTerminals: Quick-connect spade\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eOur OEM Goodman switch is calibrated to the exact factory trip temperature, ensuring the furnace's safety chain behaves as engineered. Generic aftermarket switches often carry looser temperature tolerances that can cause nuisance trips or, worse, fail to open at the correct threshold. For a safety-critical component, we recommend the OEM part.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (2\/5).\u003c\/strong\u003e Disconnect furnace power, remove the two mounting screws, transfer the two spade wires to the new switch, and reinstall. Typically a 10–15 minute repair with a nut driver. Always shut off gas and electrical power before servicing.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eCompatibility note: verify your furnace model and existing part number before ordering. Contact info@nationalhvacparts.com with any fitment questions.\u003c\/em\u003e\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058229363059,"sku":"GOODMAN-14155","price":24.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-manual-reset-limit-switch-for-wfm18140s5dncb-10123529","provider":"National HVAC Parts","version":"1.0","type":"link"}