{"product_id":"oem-goodman-37-no-pressure-switch-for-gmh950703bxac-20197312","title":"OEM Goodman -.37\" NO Pressure Switch for GMH950703BXAC — 20197312","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman 20197312 Air Pressure Switch\u003c\/strong\u003e is a genuine OEM safety control calibrated at \u003cstrong\u003e-0.37 in. WC, normally open (NO)\u003c\/strong\u003e, for the \u003cstrong\u003eGMH950703BXAC\u003c\/strong\u003e high-efficiency furnace. This switch verifies proper draft-inducer airflow and venting before the furnace allows ignition, protecting your home from unsafe combustion and flue blockages.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart Number: 20197312\u003c\/li\u003e\n\u003cli\u003eSet Point: -0.37 in. water column (WC)\u003c\/li\u003e\n\u003cli\u003eContact State: Normally Open (NO)\u003c\/li\u003e\n\u003cli\u003eFunction: Proves inducer draft \/ venting airflow\u003c\/li\u003e\n\u003cli\u003eCompatibility: Goodman GMH950703BXAC and related condensing furnaces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eOEM switch\u003c\/strong\u003e is factory-calibrated to the exact -0.37\" set point your furnace's control board expects, ensuring safe, code-compliant ignition sequencing. \u003cstrong\u003eGeneric switches\u003c\/strong\u003e may carry a nearby set point but small calibration differences can cause nuisance lockouts or, worse, mask a real venting problem. For a safety-critical control, OEM is strongly recommended.\u003c\/p\u003e\u003ch3\u003eInstall Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy–Moderate (2.5\/5).\u003c\/strong\u003e Replacement takes 20–40 minutes. Turn off power, photograph and disconnect the two spade terminals and the rubber sensing hose, unscrew the switch, and mount the new one. Reconnect the hose fully seated — a loose hose is the #1 cause of false pressure-switch faults.\u003c\/p\u003e\u003cp\u003eGenuine Goodman reliability. In stock and shipping fast.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058113593715,"sku":"GOODMAN-11181","price":32.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-37-no-pressure-switch-for-gmh950703bxac-20197312","provider":"National HVAC Parts","version":"1.0","type":"link"}