What are the specs for this Transformer?

The correct replacement for Carrier model GB3AAV036095ACJA is this exact part. It is the factory-specified replacement with exact OEM specifications. Using a part with different specifications can cause equipment damage or void your warranty. You can verify this by checking the data plate on your Carrier equipment which lists the model number GB3AAV036095ACJA.

Is this transformer compatible with Bryant or Payne systems too?

Many Carrier parts are cross-compatible with Bryant and Payne systems since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across multiple brand labels with different model numbers. To verify cross-compatibility, check your Bryant or Payne equipment service manual for cross-compatible part numbers, or contact info@nationalhvacparts.com with your model number for confirmation.

Carrier

OEM Carrier Transformer 40VA 120V/24V for GB3AAV036095ACJA

Name: OEM Carrier Transformer 40VA 120V/24V for GB3AAV036095ACJA
Brand: Carrier
SKU: CARRIE-GB3AAV036095ACJA-TRANSFORMER-HT01BC116
Price: 47.25 USD
Availability: InStock

SKU: CARRIE-GB3AAV036095ACJA-TRANSFORMER-HT01BC116 Brand: Carrier

✓ Guaranteed to fit GB3AAV036095ACJA — or your money back. Terms

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OEM Carrier 40VA Control Circuit Transformer for Model GB3AAV036095ACJA

This is the OEM factory-replacement control transformer (part number HT01BC116) for the Carrier GB3AAV036095ACJA gas furnace. The transformer steps down 120V line voltage to 24V to power the entire low-voltage control circuit — including the thermostat, gas valve, inducer relay, and control board. When this component fails, nothing in the system responds: no thermostat call, no ignition attempt, no inducer startup. A blown transformer is often caused by a wiring short in the 24V circuit, so always inspect low-voltage wiring before installing the replacement.

Specs: 40VA rating | Primary: 120V | Secondary: 24V | OEM part number HT01BC116 | Factory-matched for full control circuit compatibility
OEM vs Generic: OEM transformers are wound and rated to exact factory specifications, ensuring stable 24V output under full load. Generic units frequently underperform at rated VA, causing intermittent lockouts and control board instability.
Install difficulty: 2/5 — Disconnect power at the breaker before servicing. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Always check the 24V circuit for shorts before powering up the new transformer to prevent immediate failure.
Warranty: 1-year OEM factory warranty. Orders placed before cutoff ship same business day from our warehouse.

Compatibility: Verified OEM fit for Carrier model GB3AAV036095ACJA gas furnace. Confirm existing transformer VA rating and primary/secondary voltages on your unit's data plate before ordering. Our fitment team is available to verify compatibility before you purchase — ships same day, no hassle returns.

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

OEM Carrier Transformer 40VA 120...

$47.25

Frequently Asked Questions

Does this Transformer fit my Carrier GB3AAV036095ACJA?

Yes. This is the factory-specified OEM transformer for the Carrier GB3AAV036095ACJA. 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 GB3AAV036095ACJA?

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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OEM Carrier Transformer 40VA 120V/24V for GB3AAV036095ACJA

OEM Carrier 40VA Control Circuit Transformer for Model GB3AAV036095ACJA

Shipping Information

Return Policy

Frequently Asked Questions