What are the specs for this Pressure Switch?

The correct replacement for Goodman model GMH950453BXAC — 20197312 is this exact part. It is the factory-specified replacement with exact OEM specifications. Using a part with different specifications can cause equipment damage or void your warranty. You can verify this by checking the data plate on your Goodman equipment which lists the model number GMH950453BXAC — 20197312.

Is this pressure switch compatible with Bryant or Payne systems too?

Many Goodman parts are cross-compatible with Bryant and Payne systems since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across multiple brand labels with different model numbers. To verify cross-compatibility, check your Bryant or Payne equipment service manual for cross-compatible part numbers, or contact info@nationalhvacparts.com with your model number for confirmation.

IMAGE COMING SOON

Goodman

OEM Goodman Pressure Switch -.37" WC NO for GMH950453BXAC — 20197312

Name: OEM Goodman Pressure Switch -.37" WC NO for GMH950453BXAC — 20197312
Brand: Goodman
SKU: GOODMAN-11113
Price: 32.95 USD
Availability: InStock

SKU: GOODMAN-11113 Brand: Goodman

$32.95 $43.95

OEM Guaranteed

Same-Day Ship

30-Day Returns

Secure Checkout

Texas CMBL #19328542014

SAM.gov Registered

Govt POs Accepted

The Goodman 20197312 Pressure Switch is a genuine OEM air-proving switch for the GMH950453BXAC furnace and compatible Goodman/Amana models. Factory-set at -0.37" WC and wired normally open, it confirms proper induced-draft airflow before allowing ignition. If the inducer isn't pulling adequate draft — due to a blocked flue, clogged condensate trap, or failed switch — the burners stay locked out to prevent unsafe operation.

Specifications

Part Type: Air-Proving Pressure Switch
Trip Point: -0.37" WC (water column)
Configuration: Normally Open (NO)
Fits: Goodman GMH950453BXAC and compatible furnaces
OEM Part Number: 20197312
Brand: Goodman / Amana

OEM vs. Generic

The OEM 20197312 is calibrated to the exact -0.37" WC set point your furnace's inducer and venting were engineered for. A generic switch with a different trip pressure can cause nuisance lockouts or bypass a genuine draft problem. For this safety interlock, OEM is the recommended choice.

Installation Difficulty

Easy — mounts with one or two screws, a single hose to the inducer port, and spade terminals. Cut power first and verify the hose is free of moisture. About 10–15 minutes.

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

OEM Goodman Pressure Switch -.37...

$32.95

Frequently Asked Questions

Does this Pressure Switch fit my Goodman GMH950453BXAC — 20197312?

Yes. This is the factory-specified OEM pressure switch for the Goodman GMH950453BXAC — 20197312. 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 GMH950453BXAC — 20197312?

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.

Menu