{"product_id":"oem-goodman-50-no-pressure-switch-for-gmv951155dxbc-11177114","title":"OEM Goodman .50\" NO Pressure Switch for GMV951155DXBC — 11177114","description":"\u003ch2\u003eGoodman 11177114 Pressure Switch (-.50\" WC, Normally Open)\u003c\/h2\u003e\u003cp\u003eThe Goodman \u003cstrong\u003e11177114\u003c\/strong\u003e is a genuine OEM air pressure switch for the \u003cstrong\u003eGMV951155DXBC\u003c\/strong\u003e 96% AFUE two-stage variable-speed gas furnace. This safety control confirms that the inducer draft motor is establishing adequate airflow before the ignition sequence begins. Calibrated to actuate at \u003cstrong\u003e-0.50 inches of water column\u003c\/strong\u003e in a \u003cstrong\u003enormally open\u003c\/strong\u003e configuration, it protects against blocked vents, cracked flues, or inducer failure—preventing unsafe combustion. A faulty pressure switch is one of the most frequent causes of a furnace that ignites briefly then shuts down (a common lockout fault code).\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM Part Number: 11177114\u003c\/li\u003e\n\u003cli\u003eBrand: Goodman (fits Amana equivalents)\u003c\/li\u003e\n\u003cli\u003eSet Point: -0.50 in. w.c.\u003c\/li\u003e\n\u003cli\u003eConfiguration: Normally Open (NO)\u003c\/li\u003e\n\u003cli\u003eFunction: Draft \/ airflow proving safety switch\u003c\/li\u003e\n\u003cli\u003eFits: Goodman GMV951155DXBC furnace\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eOEM Goodman 11177114\u003c\/strong\u003e is factory-calibrated to the exact -0.50\" trip point required by this furnace. Generic switches with approximate set points can cause false lockouts or, worse, fail to trip on a genuine venting fault. For a safety-critical control, always choose genuine OEM.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate (2\/5).\u003c\/strong\u003e Disconnect the hose and two spade terminals, transfer to the new switch, and remount—typically 15–20 minutes. Shut off power first. Confirm the -0.50\" rating matches your original.\u003c\/p\u003e\u003cp\u003eCompatible with Goodman GMV951155DXBC. Genuine OEM replacement.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058180079987,"sku":"GOODMAN-12907","price":89.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-50-no-pressure-switch-for-gmv951155dxbc-11177114","provider":"National HVAC Parts","version":"1.0","type":"link"}