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OEM Carrier Transformer 40VA 120V/24V for GB1AAV060110AAJA
Carrier

OEM Carrier Transformer 40VA 120V/24V for GB1AAV060110AAJA

SKU: CARRIE-GB1AAV060110AAJA-TRANSFORMER-HT01BC116 Brand: Carrier
✓ Guaranteed to fit GB1AAV060110AAJA — or your money back. Terms

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Texas CMBL #19328542014
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OEM Carrier 40VA Control Transformer for Model GB1AAV060110AAJA

This is the genuine OEM Carrier control transformer (part# HT01BC116), factory-specified for the Carrier GB1AAV060110AAJA gas furnace. The transformer steps down 120V line voltage to the 24V signal voltage that powers your thermostat, control board, contactor coil, and all low-voltage control wiring. When this transformer fails, the entire control circuit goes dead — your thermostat goes blank, the furnace won't respond to any calls for heat, and nothing in the system initiates. It is often the first component to diagnose when a furnace appears completely unresponsive despite confirmed 120V line power at the unit.

  • Specs: 40VA rated | Primary: 120V AC | Secondary: 24V AC | OEM part number HT01BC116 | Toroidal or EI-core design per factory specification | Includes integral auto-reset overcurrent protection on most configurations
  • OEM vs Generic: This factory OEM transformer is wound to exact VA and impedance specs for the GB1AAV060110AAJA control board. Generic transformers with undersized VA ratings can sag under load, causing intermittent lockouts and nuisance thermostat dropouts — OEM is strongly recommended for this application.
  • Install difficulty: 2/5 — Shut off power at the disconnect before beginning. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter. Label all 24V wiring before disconnecting. Verify 24V output at secondary terminals before reassembly.
  • Warranty: 1-year OEM factory warranty against defects. In-stock and ships same business day from our NationalHVACParts.com warehouse.

Compatibility: Designed specifically for the Carrier GB1AAV060110AAJA gas furnace. Always confirm the 40VA rating and primary/secondary voltages on your existing transformer's label before ordering. If you have questions about fitment, our HVAC parts specialists verify compatibility before you purchase — 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 GB1AAV060110AAJA?
Yes. This is the factory-specified OEM transformer for the Carrier GB1AAV060110AAJA. 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 GB1AAV060110AAJA?
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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