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OEM Carrier Transformer HT01BD236 for Model GB3AAV024070AGJA
Carrier

OEM Carrier Transformer HT01BD236 for Model GB3AAV024070AGJA

SKU: carrier-transformer-gb3aav024070agja Brand: Carrier
$34.95

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

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OEM Carrier Transformer HT01BD236 for Model GB3AAV024070AGJA

This genuine OEM Carrier transformer (HT01BD236) steps your incoming line voltage down to the 24V control voltage that powers the thermostat, gas valve, and control board on your GB3AAV024070AGJA furnace. When you have no heat, an unresponsive thermostat, or a dead control board with line power present, a failed transformer is a common and easily overlooked cause. This factory-original part provides the exact primary/secondary voltage and VA rating your model demands, ensuring stable low-voltage power that protects sensitive controls. Installation is moderate, taking 20 to 30 minutes for someone comfortable identifying and transferring wire leads; always shut off power at the breaker and label connections before swapping. Restore reliable control-circuit power and bring your furnace back online with a Carrier-engineered component built to OEM standards. This transformer is in stock and ships same-day on orders placed before 3PM CST. Choose genuine fitment for a safe, dependable repair.

Compatibility

This part is compatible with Carrier model GB3AAV024070AGJA.

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 Transformer fit my Carrier Model GB3AAV024070AGJA?
Yes. This is the factory-specified OEM transformer for the Carrier Model GB3AAV024070AGJA. 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 transformer on my Carrier Model GB3AAV024070AGJA?
Difficulty: Medium (30–45 min)
Step 1: Turn off breaker. Step 2: Photo wiring connections. Step 3: Disconnect wires from old transformer. Step 4: Remove mounting hardware. Step 5: Install new transformer, reconnect wires matching voltage ratings. Step 6: Verify 24V output with multimeter.
My thermostat has no power. What failed?
Thermostat with no display = failed 24V transformer (or blown control board fuse). Check the 3A/5A fuse on the control board first ($1–$5 fix). If fuse is good but no 24V output from transformer, replace transformer.
Is this transformer 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 transformer?
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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