{"product_id":"oem-goodman-30-75-wc-combination-pressure-switch-11177113","title":"OEM Goodman -.30\/-.75\" WC Combination Pressure Switch — 11177113","description":"\u003ch2\u003eGoodman 11177113 Combination Pressure Switch (-.30\" \/ -.75\" WC)\u003c\/h2\u003e\u003cp\u003eThe Goodman 11177113 is a genuine OEM dual (combination) draft pressure switch for the two-stage \u003cstrong\u003eWGFM295070V4CAA\u003c\/strong\u003e gas furnace. It combines two set points — \u003cstrong\u003e-.30\" WC\u003c\/strong\u003e and \u003cstrong\u003e-.75\" WC\u003c\/strong\u003e — in one gray housing to prove adequate inducer draft on both low-fire and high-fire stages before the control board allows ignition. A failed or drifted pressure switch is one of the most common causes of a furnace that clicks but won't light, or that short-cycles on stage changes.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e 11177113\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet Points:\u003c\/strong\u003e -.30\" WC and -.75\" WC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Combination \/ two-stage draft proving switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing Color:\u003c\/strong\u003e Gray\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Goodman\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment:\u003c\/strong\u003e Two-Stage Gas Furnace\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e WGFM295070V4CAA and compatible Goodman\/Amana models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003ePressure switch calibration is safety-critical — the set points must exactly match the furnace's designed inducer draft. The genuine Goodman 11177113 is factory-calibrated to the -.30\"\/-.75\" WC spec. Generic switches with approximate set points can allow ignition under weak-draft conditions or lock out a healthy furnace. For a safety proving device, use the OEM part.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate (3\/5)\u003c\/strong\u003e — Power off, photograph the hose and wire routing, then transfer the pressure tubing and spade connectors to the new switch in the same positions. Confirm no pinched or cracked hoses. Test firing on both stages after install.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058244731251,"sku":"GOODMAN-14518","price":109.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-30-75-wc-combination-pressure-switch-11177113","provider":"National HVAC Parts","version":"1.0","type":"link"}