{"product_id":"oem-goodman-150-f-primary-limit-switch-for-wgfm28070v4bxab-20162903","title":"OEM Goodman 150°F Primary Limit Switch for WGFM28070V4BXAB — 20162903","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman 20162903 Primary Limit Switch\u003c\/strong\u003e is a genuine OEM safety control rated for a \u003cstrong\u003e150°F\u003c\/strong\u003e cutout temperature, built for the \u003cstrong\u003eWGFM28070V4BXAB\u003c\/strong\u003e gas furnace and compatible Goodman\/Amana models. Mounted on the heat exchanger housing, this normally-closed thermal switch opens the circuit and shuts down the burners if the furnace overheats — protecting the heat exchanger and preventing a dangerous condition. A failed or nuisance-tripping limit switch causes short cycling or a no-heat condition.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutout temperature:\u003c\/strong\u003e 150°F (opens on rise)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Primary high-limit, normally-closed, auto-reset\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Overheat protection \/ burner shutdown\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e WGFM28070V4BXAB and compatible Goodman furnaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part #:\u003c\/strong\u003e 20162903\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eOEM vs. Generic:\u003c\/strong\u003e Genuine Goodman limit switches are calibrated to the exact factory trip point and use the correct mounting bracket and terminal spacing. Generic replacements may trip early or late, leading to nuisance shutdowns or inadequate protection. For a safety-critical control, OEM is the reliable choice.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstall difficulty:\u003c\/strong\u003e Easy — disconnect power, unplug the two spade terminals, remove two mounting screws, and swap. No calibration required. Always cut power at the breaker before servicing.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058241716595,"sku":"GOODMAN-14446","price":8.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-150-f-primary-limit-switch-for-wgfm28070v4bxab-20162903","provider":"National HVAC Parts","version":"1.0","type":"link"}