{"product_id":"oem-goodman-10-in-wc-no-pressure-switch-for-gmv950453bxba-furnace-20197308","title":"OEM Goodman -.10 in WC NO Pressure Switch for GMV950453BXBA Furnace — 20197308","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman 20197308 Pressure Switch\u003c\/strong\u003e is a genuine OEM normally-open (NO) draft-proving switch for the \u003cstrong\u003eGMV950453BXBA\u003c\/strong\u003e two-stage variable-speed gas furnace. It closes at \u003cstrong\u003e-0.10 in WC\u003c\/strong\u003e to confirm adequate inducer draft or blocked-drain status before allowing the ignition sequence to proceed, protecting against unsafe combustion conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 20197308\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSetpoint:\u003c\/strong\u003e -0.10 in WC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContact configuration:\u003c\/strong\u003e Normally open (NO)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Negative-pressure draft\/drain safety switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Goodman GMV950453BXBA and compatible furnaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Pressure Switch\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eOEM vs. Generic:\u003c\/strong\u003e Setpoint accuracy is critical — this switch is part of the furnace safety chain. The OEM 20197308 is calibrated to the exact -0.10 in WC trip point specified for the GMV9 platform. A generic switch with a drifted setpoint can cause nuisance lockouts or, worse, fail to detect a dangerous condition.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstall difficulty:\u003c\/strong\u003e Easy (2\/5). Disconnect power, transfer the wiring and pressure hose to the new switch, and mount it in the original orientation. Confirm it proves on a call for heat. Verify with a manometer if available.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058174640499,"sku":"GOODMAN-12754","price":32.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-10-in-wc-no-pressure-switch-for-gmv950453bxba-furnace-20197308","provider":"National HVAC Parts","version":"1.0","type":"link"}