{"product_id":"oem-goodman-0-10-wc-pressure-switch-no-for-gmv951155dxa-20197308","title":"OEM Goodman -0.10\" WC Pressure Switch NO for GMV951155DXA — 20197308","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman 20197308 Pressure Switch\u003c\/strong\u003e is a genuine OEM draft-safety control for the \u003cstrong\u003eGMV951155DXA\u003c\/strong\u003e and compatible Goodman\/Amana condensing furnaces. This normally-open switch senses negative pressure created by the inducer\/draft blower and closes at a \u003cstrong\u003e-0.10 inch water column\u003c\/strong\u003e setpoint, proving that combustion airflow and venting are correct before the control board allows ignition. If the switch fails to close, the furnace safely locks out.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart Number: 20197308\u003c\/li\u003e\n\u003cli\u003eType: Air-proving pressure switch\u003c\/li\u003e\n\u003cli\u003eSetpoint: -0.10 in. W.C.\u003c\/li\u003e\n\u003cli\u003eContact Configuration: Normally Open (closes on negative pressure)\u003c\/li\u003e\n\u003cli\u003eBrand Fit: Goodman \/ Amana condensing furnaces\u003c\/li\u003e\n\u003cli\u003eApplication: Draft\/combustion airflow safety\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eOEM 20197308\u003c\/strong\u003e is factory-calibrated to the exact -0.10\" WC trip point required by the GMV951155DXA's induced-draft design. Generic switches with the wrong setpoint or hysteresis cause nuisance lockouts or unsafe operation. For an airflow-safety device, OEM calibration is critical.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (2\/5).\u003c\/strong\u003e Remove the pressure hose, disconnect terminals, swap the switch, and reconnect ensuring the tubing routes downward with no condensate trap. Verify the setpoint matches your original. Shut off gas and power first; professional service recommended for gas equipment.\u003c\/p\u003e\u003cp\u003eFits GMV951155DXA. Match the setpoint and part number before ordering.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058178670963,"sku":"GOODMAN-12862","price":32.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-0-10-wc-pressure-switch-no-for-gmv951155dxa-20197308","provider":"National HVAC Parts","version":"1.0","type":"link"}