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OEM Carrier Pressure Switch HK06WC053 for Model GB3AAV036035AAJA
Carrier

OEM Carrier Pressure Switch HK06WC053 for Model GB3AAV036035AAJA

SKU: carrier-pressure-switch-gb3aav036035aaja Brand: Carrier
$54.95

Order before 3PM CST — ships same day.
Standard delivery 2-5 business days. Express options at checkout.

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OEM Carrier Pressure Switch HK06WC053 for Model GB3AAV036035AAJA

This OEM Carrier pressure switch (HK06WC053) is the draft-proving safety control on the GB3AAV036035AAJA gas furnace. It monitors negative pressure created by the inducer motor and allows the ignition sequence to proceed only when venting airflow is correct, guarding against blocked flues and unsafe combustion. A failed switch typically leaves the inducer running while the furnace never lights, usually accompanied by a pressure-switch fault code at the control board. This genuine Carrier switch is calibrated to the exact factory trip point and retains the original hose connection and spade terminals for a true plug-in replacement. Installation is easy: cut power, pull the sensing hose, disconnect the two terminals, unscrew the switch from its bracket, and reverse with the new unit—about 15 minutes. Check the hose for soot, moisture, or kinks while you have it off. This part is compatible with Carrier model GB3AAV036035AAJA. In stock and ships same-day when ordered before 3PM CST.

Compatibility

This part is compatible with Carrier model GB3AAV036035AAJA.

Shipping

Same-day shipping before 3 PM CST. 30-day returns on uninstalled parts.

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 support@nationalhvacparts.com to initiate a return
  • Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Pressure Switch fit my Carrier Model GB3AAV036035AAJA?
Yes. This is the factory-specified OEM pressure switch for the Carrier Model GB3AAV036035AAJA. 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 Carrier Model GB3AAV036035AAJA?
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 Carrier 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 Carrier 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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