{"product_id":"oem-goodman-auto-reset-auxiliary-limit-switch-for-gmp125-4-20269903","title":"OEM Goodman Auto Reset Auxiliary Limit Switch for GMP125-4 — 20269903","description":"\u003ch2\u003eGoodman 20269903 Auxiliary Auto-Reset Limit Switch\u003c\/h2\u003e\u003cp\u003eThe Goodman 20269903 is an auxiliary, automatic-reset limit switch designed for GMP125-4 gas furnaces. As a secondary safety device, it provides an additional layer of overheat protection alongside the primary high-limit control. Because it is an \u003cstrong\u003eauto-reset\u003c\/strong\u003e switch, it opens the circuit when an over-temperature condition is detected and closes again automatically once the furnace cools to a safe temperature — ideal for transient conditions that resolve on their own.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: Auxiliary high-limit safety switch\u003c\/li\u003e\n\u003cli\u003eReset: Automatic reset\u003c\/li\u003e\n\u003cli\u003eCompatible model: Goodman GMP125-4 furnace\u003c\/li\u003e\n\u003cli\u003eFunction: Secondary overheat protection\u003c\/li\u003e\n\u003cli\u003eFit: Direct OEM replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe OEM 20269903 is matched to the GMP125-4's specific mounting location and trip temperature, ensuring the auxiliary safety loop functions exactly as Goodman intended. Generic auto-reset switches may cycle at the wrong temperature, causing intermittent heating complaints that are difficult to diagnose. OEM removes that guesswork.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (1\/5).\u003c\/strong\u003e A straightforward two-terminal, single-screw swap. Cut power first. If the switch trips repeatedly, address the root airflow or combustion issue rather than replacing the part alone.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058137743731,"sku":"GOODMAN-11907","price":27.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-auto-reset-auxiliary-limit-switch-for-gmp125-4-20269903","provider":"National HVAC Parts","version":"1.0","type":"link"}