{"product_id":"oem-goodman-10-in-wc-pressure-switch-for-gmv91155dxba-20197308","title":"OEM Goodman -.10 in WC Pressure Switch for GMV91155DXBA — 20197308","description":"\u003ch2\u003eGoodman 20197308 Pressure Switch (-.10\" WC, Normally Open)\u003c\/h2\u003e\u003cp\u003eThe Goodman 20197308 is a genuine OEM pressure switch for the \u003cstrong\u003eGMV91155DXBA\u003c\/strong\u003e two-stage variable-speed 96% AFUE furnace and compatible Goodman\/Amana models. On a two-stage furnace, this lower -.10 in. WC switch proves adequate draft during \u003cstrong\u003elow-fire (first-stage)\u003c\/strong\u003e operation, while a second, higher-set switch confirms high-fire. It ensures the inducer is moving enough combustion air before the board allows ignition.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSet point: -0.10 in. WC (water column)\u003c\/li\u003e\n\u003cli\u003eAction: Normally Open (NO)\u003c\/li\u003e\n\u003cli\u003eFunction: Low-fire draft\/pressure proving\u003c\/li\u003e\n\u003cli\u003eFit: Goodman GMV91155DXBA two-stage furnaces\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: 20197308\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eBecause two-stage furnaces rely on tightly matched switch pairs, the \u003cstrong\u003eOEM Goodman\u003c\/strong\u003e unit is strongly preferred — its factory calibration keeps low-fire and high-fire proving in the correct relationship. Generic switches with loose tolerances frequently cause intermittent low-fire lockouts that are difficult to diagnose. Choose OEM.\u003c\/p\u003e\u003ch3\u003eInstall Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate.\u003c\/strong\u003e Two spade terminals, one or two screws, and a silicone hose — about 15–25 minutes. Confirm you're replacing the correct switch (verify the -.10\" marking) and label hoses before removal. Shut off power and gas first.\u003c\/p\u003e\u003cp\u003eFitment guaranteed for the GMV91155DXBA. Email info@nationalhvacparts.com with questions.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058172739955,"sku":"GOODMAN-12718","price":32.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-10-in-wc-pressure-switch-for-gmv91155dxba-20197308","provider":"National HVAC Parts","version":"1.0","type":"link"}