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Goodman

OEM Goodman -.10 in WC NO Pressure Switch for GMV950453BXBA Furnace — 20197308

SKU: GOODMAN-12754 Brand: Goodman
$32.95 $42.95

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Texas CMBL #19328542014
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Govt POs Accepted

The Goodman 20197308 Pressure Switch is a genuine OEM normally-open (NO) draft-proving switch for the GMV950453BXBA two-stage variable-speed gas furnace. It closes at -0.10 in WC to confirm adequate inducer draft or blocked-drain status before allowing the ignition sequence to proceed, protecting against unsafe combustion conditions.

  • Part number: 20197308
  • Setpoint: -0.10 in WC
  • Contact configuration: Normally open (NO)
  • Type: Negative-pressure draft/drain safety switch
  • Fits: Goodman GMV950453BXBA and compatible furnaces
  • Category: Pressure Switch

OEM vs. Generic: 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.

Install difficulty: 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.

Shipping Information

  • Orders placed before 3PM CST ship same business day
  • Standard delivery: 2-5 business days
  • Express shipping available at checkout
  • Free shipping on orders over $75
  • Tracking number emailed upon shipment

Return Policy

  • 30-day returns on unused parts in original packaging
  • Electrical parts (capacitors, contactors, control boards) are final sale once installed
  • Email info@nationalhvacparts.com to initiate a return
  • Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Pressure Switch fit my Goodman GMV950453BXBA Furnace — 20197308?
Yes. This is the factory-specified OEM pressure switch for the Goodman GMV950453BXBA Furnace — 20197308. It is a direct drop-in replacement that fits without modification. Always verify the model number on your equipment nameplate before ordering.
How do I replace the pressure switch on my Goodman GMV950453BXBA Furnace — 20197308?
Difficulty: Medium (20–30 min)
Step 1: Turn off power. Step 2: Locate pressure switch near draft inducer. Step 3: Note tubing orientation. Step 4: Disconnect tubing and wires. Step 5: Remove screw, install new switch. Step 6: Reconnect tubing and wires, restore power.
My furnace shows a pressure switch error. What do I replace?
Furnace LED showing pressure switch error = switch not detecting draft inducer airflow. Try first: clear the rubber tubing to the switch (often clogged with condensation). If problem persists, replace the pressure switch.
Is this pressure switch compatible with Bryant or Payne too?
Many Goodman parts are cross-compatible with Bryant and Payne since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across brand labels with different model numbers. To verify: check your Bryant or Payne equipment service manual for cross-compatible part numbers, or email info@nationalhvacparts.com with your model number.
Should I use OEM or aftermarket for my Goodman pressure switch?
OEM recommended for reliability and warranty compatibility. OEM parts match exact factory specifications for proper fit, performance, and safety. While aftermarket alternatives cost less upfront, the risk of improper fit and reduced lifespan usually makes OEM the better value long-term.
How fast does National HVAC Parts ship?
Orders placed before 3:00 PM CST ship the same business day. Standard delivery is 2–5 business days anywhere in the continental United States. Express shipping available at checkout. We ship from Houston, TX to all 50 states. 30-day return policy on all parts.
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Mike Rivera
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