What are the specs for this Transformer?

The correct replacement for Carrier model N6A48NG481456 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 N6A48NG481456.

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 N6A48NG481456

Name: OEM Carrier Transformer 40VA 120V-24V for N6A48NG481456
Brand: Carrier
SKU: CARRIE-N6A48NG481456-TRANSFORMER-HT01BC116
Price: 47.25 USD
Availability: InStock

SKU: CARRIE-N6A48NG481456-TRANSFORMER-HT01BC116 Brand: Carrier

✓ Guaranteed to fit N6A48NG481456 — or your money back. Terms

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OEM Carrier 40VA Control Transformer HT01BC116 for Model N6A48NG481456

This OEM replacement transformer (part number HT01BC116) is the factory-specified control circuit transformer for the Carrier N6A48NG481456 packaged gas/electric unit. The transformer steps line voltage (120V) down to 24V AC to power the low-voltage control circuit — including the thermostat, contactor coil, gas valve, and control board. When the transformer fails, absolutely nothing in the control system responds: the thermostat goes blank, the system won't call for heating or cooling, and you may detect a burning smell or a tripped secondary fuse.

Specs: 40VA rating | Primary: 120V AC | Secondary: 24V AC | OEM part number HT01BC116 | Mounts to standard bracket inside unit control section
OEM vs Generic: This OEM transformer is wound to exact Carrier factory specifications, ensuring proper VA capacity and thermal protection. Undersized generic transformers can overload and fail rapidly under full control circuit load — especially when a contactor coil and gas valve draw simultaneously.
Install difficulty: 2/5 — Shut off all power to the unit before beginning. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter, needle-nose pliers. Label or photograph all low-voltage wiring before disconnecting. Verify 24V output with a multimeter after installation before restoring full power.
Warranty: 1-year OEM factory warranty against defects. In-stock and ships same business day from our warehouse.

Compatibility: Engineered specifically for the Carrier N6A48NG481456 packaged unit. Confirm your unit's control transformer VA rating and primary voltage on the data plate before ordering. Our HVAC parts specialists are available to verify fitment — order with confidence.

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 N6A48NG481456?

Yes. This is the factory-specified OEM transformer for the Carrier N6A48NG481456. 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 N6A48NG481456?

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 N6A48NG481456

OEM Carrier 40VA Control Transformer HT01BC116 for Model N6A48NG481456

Shipping Information

Return Policy

Frequently Asked Questions