{"product_id":"oem-goodman-0-37-no-pressure-switch-for-ams950703bxa-20197312","title":"OEM Goodman -0.37\" NO Pressure Switch for AMS950703BXA — 20197312","description":"\u003ch2\u003eGoodman 20197312 Air Pressure Switch (-0.37\" WC, NO)\u003c\/h2\u003e\u003cp\u003eThe Goodman 20197312 is the OEM negative-pressure safety switch for the \u003cstrong\u003eAMS950703BXA\u003c\/strong\u003e gas furnace. It verifies that the inducer draft motor is pulling proper airflow through the heat exchanger before the ignition sequence begins. If the switch does not close on a call for heat, the control board locks out the burners — protecting against blocked vents, cracked hoses, or a failing inducer.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM Part Number: 20197312\u003c\/li\u003e\n\u003cli\u003eSet Point: -0.37 in. water column (negative pressure)\u003c\/li\u003e\n\u003cli\u003eContact Type: Normally Open (NO), closes on pressure\u003c\/li\u003e\n\u003cli\u003ePorts: Single-port draft-proving switch\u003c\/li\u003e\n\u003cli\u003eEquipment Type: Gas Furnace\u003c\/li\u003e\n\u003cli\u003eCompatible Model: AMS950703BXA (Goodman \/ Amana)\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\" setpoint required by this furnace's inducer and venting design — critical for reliable ignition and safe operation. \u003cstrong\u003eGeneric switches\u003c\/strong\u003e are available at various setpoints, but installing the wrong trip pressure causes nuisance lockouts or bypasses a genuine safety fault. For a pressure switch, always match the OEM setpoint.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy–Moderate (2 of 3).\u003c\/strong\u003e Cut power, note wire and hose positions, transfer the two spade terminals and the pressure tube to the new switch, and mount it with the original screws. Verify the hose is clear of condensate before restarting. Roughly 20–30 minutes.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057745281395,"sku":"GOODMAN-7316","price":32.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-0-37-no-pressure-switch-for-ams950703bxa-20197312","provider":"National HVAC Parts","version":"1.0","type":"link"}