{"product_id":"oem-goodman-auxiliary-limit-auto-reset-switch-for-wgge4542-20269903","title":"OEM Goodman Auxiliary Limit Auto Reset Switch for WGGE4542 — 20269903","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman 20269903 Auxiliary Limit Auto Reset Switch\u003c\/strong\u003e is a genuine OEM high-limit safety control designed for \u003cstrong\u003eGoodman and Amana WGGE4542A115MAA\u003c\/strong\u003e gas furnaces. This auxiliary limit protects the heat exchanger and blower housing from overheating by opening the control circuit when the internal temperature exceeds its rated setpoint, then automatically resetting once temperatures return to normal — no manual intervention required.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: Auxiliary high-limit switch, automatic reset\u003c\/li\u003e\n\u003cli\u003eFunction: Overheat \/ rollout safety cutout\u003c\/li\u003e\n\u003cli\u003eFitment: Goodman\/Amana WGGE4542A115MAA and compatible gas furnace models\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: 20269903\u003c\/li\u003e\n\u003cli\u003eBrand: Goodman (genuine OEM)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe genuine \u003cstrong\u003eOEM 20269903\u003c\/strong\u003e is calibrated to the exact trip temperature specified for your furnace, ensuring the safety circuit behaves as the manufacturer intended. Generic replacements may carry a slightly different setpoint or bracket geometry, which can cause nuisance trips or improper fit. For a safety-critical component like a limit switch, we recommend the OEM part.\u003c\/p\u003e\u003ch3\u003eInstall Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (1\/5).\u003c\/strong\u003e Two spade terminals and a mounting screw or clip. Always disconnect power at the breaker before servicing. If the switch continuously trips after replacement, contact a licensed HVAC technician.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058252988787,"sku":"GOODMAN-14800","price":18.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-auxiliary-limit-auto-reset-switch-for-wgge4542-20269903","provider":"National HVAC Parts","version":"1.0","type":"link"}