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OEM Carrier Transformer 40VA 120V-24V for GA2AAD060135ACJA
Carrier

OEM Carrier Transformer 40VA 120V-24V for GA2AAD060135ACJA

SKU: CARRIE-GA2AAD060135ACJA-TRANSFORMER-HT01BC116 Brand: Carrier

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Texas CMBL #19328542014
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Govt POs Accepted

OEM Carrier Transformer 40VA 120V to 24V for Model GA2AAD060135ACJA

This OEM control circuit transformer (part# HT01BC116) is the factory-specified replacement for the Carrier GA2AAD060135ACJA packaged gas/electric unit. The transformer steps line voltage (120V) down to the 24V signal voltage that powers your thermostat, control board, contactor coil, and all low-voltage control functions. When this part fails, the entire control circuit goes dark — the thermostat goes blank, the system won't respond to any calls for heating or cooling, and you may blow a control fuse repeatedly. If your system is completely unresponsive and line voltage checks out at the unit, a failed transformer is the most common cause.

  • Specs: 40VA rating | Primary: 120V AC | Secondary: 24V AC | OEM part number HT01BC116 | Factory-matched output for stable low-voltage control operation
  • OEM vs Generic: This is the genuine Carrier OEM transformer, wound to exact VA and voltage tolerances. Generic transformers can sag under load, causing nuisance lockouts, erratic thermostat behavior, and premature control board failure.
  • Install Difficulty: 2/5 — Shut off power at the disconnect and verify with a multimeter before touching any wiring. Tools needed: flathead and Phillips screwdrivers, multimeter, needle-nose pliers. Label all wire connections before removal. Most technicians complete this swap in under 20 minutes.
  • Warranty: 1-year OEM factory warranty against defects. Orders placed before our same-day shipping cutoff ship from our warehouse the same business day.

Compatibility: Designed specifically for the Carrier GA2AAD060135ACJA packaged unit. Always verify primary voltage (120V) and VA rating on your unit's data plate before ordering. Our parts specialists are available to confirm fitment — don't guess on a control circuit component. Order today and get your system back online fast.

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 info@nationalhvacparts.com to initiate a return
  • Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Transformer fit my Carrier GA2AAD060135ACJA?
Yes. This is the factory-specified OEM transformer for the Carrier GA2AAD060135ACJA. 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 GA2AAD060135ACJA?
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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