What are the specs for this Pressure Switch?

The correct replacement for Goodman model AMV90905DXBA — 11177114 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 AMV90905DXBA — 11177114.

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.

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Goodman

OEM Goodman -.50" NO Pressure Switch for AMV90905DXBA — 11177114

Name: OEM Goodman -.50" NO Pressure Switch for AMV90905DXBA — 11177114
Brand: Goodman
SKU: GOODMAN-7794
Price: 76.95 USD
Availability: InStock

SKU: GOODMAN-7794 Brand: Goodman

$76.95 $99.95

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The Goodman 11177114 Pressure Switch is a genuine OEM air-proving switch for the AMV90905DXBA gas furnace and compatible Goodman/Amana models. Rated at -0.50" WC (water column), normally open, this switch verifies that the induced-draft blower is establishing proper venting before allowing ignition. When correct negative pressure is sensed, the normally-open contacts close and the ignition sequence proceeds — protecting against blocked flues, cracked hoses, or a failing draft motor.

Specifications

OEM Part Number: 11177114
Compatible Model: AMV90905DXBA (Goodman/Amana furnace)
Set Point: -0.50" WC (water column)
Contact Configuration: Normally Open (NO)
Function: Draft / venting pressure proving safety

OEM vs. Generic

Pressure-switch set points are model-specific. The OEM 11177114 is calibrated to trip at exactly -0.50" WC, matching the AMV90905DXBA's draft design. A generic switch with a different threshold can cause hard-start faults, nuisance lockouts, or unsafe operation. For this safety-critical control, install the genuine OEM switch.

Installation Difficulty

Moderate (3 of 5). Disconnect power, note the hose and wire routing, remove the mounting screws, and transfer the pressure hose and electrical leads to the new switch in the same orientation. Confirm the hose is free of cracks or condensate blockage, then test a full ignition cycle.

Restore safe, reliable draft proving with this genuine Goodman -.50" normally-open pressure switch.

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 -.50" NO Pressure Sw...

$76.95

Frequently Asked Questions

Does this Pressure Switch fit my Goodman AMV90905DXBA — 11177114?

Yes. This is the factory-specified OEM pressure switch for the Goodman AMV90905DXBA — 11177114. 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 AMV90905DXBA — 11177114?

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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