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OEM Carrier Transformer 40VA 120V/24V for GB3AAV060110AAJA
Carrier

OEM Carrier Transformer 40VA 120V/24V for GB3AAV060110AAJA

SKU: CARRIE-GB3AAV060110AAJA-TRANSFORMER-HT01BC116 Brand: Carrier
✓ Guaranteed to fit GB3AAV060110AAJA — or your money back. Terms

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Texas CMBL #19328542014
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OEM Carrier Transformer 40VA 120V/24V for Model GB3AAV060110AAJA

This OEM replacement transformer (part number HT01BC116) is the factory-specified control circuit transformer for the Carrier GB3AAV060110AAJA gas furnace. The transformer steps line voltage down from 120V to 24V AC to power the furnace control board, thermostat, and all low-voltage safety and switching circuits. When the transformer fails, the entire control circuit goes dark — your thermostat becomes unresponsive, the furnace will not attempt ignition, and no status codes will appear on the board. It is one of the first components to check when absolutely nothing happens on a call for heat.

  • Specs: 40VA rated | 120V primary / 24V secondary | OEM part number HT01BC116 | Direct drop-in replacement with factory-matched footprint and lead configuration
  • OEM vs Generic: OEM transformers are wound to exact VA and voltage tolerances required by the Carrier control board. Undersized or off-tolerance generic transformers can trip thermal protection under normal load, causing intermittent no-heat complaints that are difficult to diagnose.
  • Install difficulty: 2/5 — Disconnect power at the breaker and verify zero voltage before starting. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring connections before disconnecting leads. Replace any blown fuse on the control board at the same time.
  • Warranty: 1-year OEM factory warranty. Orders placed before cutoff ship same business day from our warehouse.

Compatibility: Designed for the Carrier GB3AAV060110AAJA gas furnace. Always verify the VA rating and primary/secondary voltages printed on your existing transformer before ordering to confirm fitment. If you are unsure, our HVAC parts specialists will verify compatibility before your order ships — no guesswork required.

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 $99
  • 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

Frequently Asked Questions

Does this Transformer fit my Carrier GB3AAV060110AAJA?
Yes. This is the factory-specified OEM transformer for the Carrier GB3AAV060110AAJA. 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 GB3AAV060110AAJA?
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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Mike Rivera
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