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 Pressure Switch for Furna...
OEM Carrier Pressure Switch for Furnace Model GB3AAV048115AGJA
Carrier

OEM Carrier Pressure Switch for Furnace Model GB3AAV048115AGJA

SKU: carrier-pressure-switch-gb3aav048115agja Brand: Carrier
$54.95

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 Pressure Switch for Furnace Model GB3AAV048115AGJA

This OEM Carrier pressure switch is the genuine factory replacement for the GB3AAV048115AGJA gas furnace. The pressure switch monitors draft inducer airflow and safely proves venting before the igniter and gas valve are allowed to fire, protecting your home from incomplete combustion. A failed switch is a leading cause of a furnace that locks out, short-cycles, or refuses to ignite. Because it is the exact OEM specification, this switch matches the original trip point and port configuration for the GB3AAV048115AGJA, ensuring proper safety operation with no guesswork. Installation is straightforward for a confident DIYer or any HVAC technician: shut off power, disconnect the hose and electrical terminals, swap the switch, and reconnect — typically a 15 to 20 minute repair with basic hand tools. Always verify the rating stamped on your old switch before installing. In stock and ships same-day when ordered before 3PM CST, so you can get the heat back on fast.

Compatibility

This part is compatible with Carrier model GB3AAV048115AGJA.

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 Furnace Model GB3AAV048115AGJA?
Yes. This is the factory-specified OEM pressure switch for the Carrier Furnace Model GB3AAV048115AGJA. 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 Furnace Model GB3AAV048115AGJA?
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