Same-day shipping on orders before 3PM CST · 15,000+ OEM Parts In Stock · Carrier · Bryant · ICP · Heil · Tempstar
Track Order | 1-800-NHP-HVAC | Trade Accounts

Menu

Home Shop All Account Cart
Home / OEM Carrier Furnace Pressure Switch f...
OEM Carrier Furnace Pressure Switch for GB3AAV024050AEJA Unit
Carrier

OEM Carrier Furnace Pressure Switch for GB3AAV024050AEJA Unit

SKU: carrier-pressure-switch-gb3aav024050aeja Brand: Carrier
$34.95

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

OEM Guaranteed

Same-Day Ship

30-Day Returns

Secure Checkout

OEM Carrier Furnace Pressure Switch for GB3AAV024050AEJA Unit

This genuine OEM Carrier pressure switch verifies proper draft and venting before the control board allows ignition on your GB3AAV024050AEJA furnace. It senses negative pressure created by the inducer motor and proves the flue is clear, protecting against dangerous flue-gas spillage. A stuck or failed switch commonly causes the furnace to lock out with the inducer running but no ignition, often flagged by a pressure-switch error code. Manufactured to exact factory specifications, this switch matches the original trip point, port configuration, and electrical terminals for a direct fit on the Carrier GB3AAV024050AEJA gas furnace. Installation is easy and DIY-friendly: shut off power, disconnect the rubber hose and two spade terminals, remove the mounting screws, and install the replacement in minutes. Be sure the hose is free of condensate or blockage, a frequent cause of nuisance trips. Every switch is tested to its rated set point before shipping. In stock and ready to ship same-day when you order before 3 PM CST, getting your heat restored quickly.

Compatibility

This part is compatible with Carrier model GB3AAV024050AEJA.

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 GB3AAV024050AEJA Unit?
Yes. This is the factory-specified OEM pressure switch for the Carrier GB3AAV024050AEJA Unit. 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 GB3AAV024050AEJA Unit?
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.
Home Shop Search Account Cart