{"product_id":"oem-goodman-10-no-pressure-switch-for-gmv950453bxab-20197308","title":"OEM Goodman -.10\" NO Pressure Switch for GMV950453BXAB — 20197308","description":"\u003ch2\u003eGoodman 20197308 Air Pressure Switch (-.10\" WC, NO)\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eGoodman 20197308\u003c\/strong\u003e is a genuine OEM air-proving pressure switch for the \u003cstrong\u003eGMV950453BXAB\u003c\/strong\u003e 96% AFUE two-stage variable-speed gas furnace. This normally-open switch closes at a set-point of \u003cstrong\u003e-0.10 in. WC\u003c\/strong\u003e, confirming the inducer draft and clear venting before the ignition sequence proceeds. If the switch cannot prove pressure, the control board halts ignition — a critical safety function that prevents unsafe firing.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM Part Number: 20197308\u003c\/li\u003e\n\u003cli\u003eSet point: -0.10 in. water column (-.10\" WC)\u003c\/li\u003e\n\u003cli\u003eContact type: Normally Open (NO)\u003c\/li\u003e\n\u003cli\u003eFits: Goodman GMV950453BXAB and compatible GMV9 series furnaces\u003c\/li\u003e\n\u003cli\u003eFunction: Draft\/vent proving safety switch\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003ePressure switches are calibrated to an exact trip point. The \u003cstrong\u003eOEM Goodman 20197308\u003c\/strong\u003e is factory-matched to the -.10\" WC spec and hose-port geometry your furnace expects. A generic switch with a different set-point or port size can cause false lockouts, short cycling, or — worse — fail to prove a blocked vent. For a safety-critical component, use the exact OEM part.\u003c\/p\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eDifficulty: Easy–Moderate (2\/5)\u003c\/strong\u003e — Typical time 20–30 minutes. Shut off power and gas, photograph the wiring, transfer the two spade terminals and the tubing to the matching ports on the new switch, and mount it in the original orientation. Verify with a manometer if available. Confirm your model and serial before ordering.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSafety replacement part only. Follow all Goodman service instructions and local codes.\u003c\/em\u003e\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058173919603,"sku":"GOODMAN-12741","price":32.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-10-no-pressure-switch-for-gmv950453bxab-20197308","provider":"National HVAC Parts","version":"1.0","type":"link"}