What are the specs for this Transformer?

The correct replacement for Carrier model U19X175U60A 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 U19X175U60A.

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 U19X175U60A

Name: OEM Carrier Transformer 40VA 120V–24V for U19X175U60A
Brand: Carrier
SKU: CARRIE-U19X175U60A-TRANSFORMER-HT01CN001
Price: 47.25 USD
Availability: InStock

SKU: CARRIE-U19X175U60A-TRANSFORMER-HT01CN001 Brand: Carrier

✓ Guaranteed to fit U19X175U60A — or your money back. Terms

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OEM Carrier Control Transformer 40VA 120V–24V for Model U19X175U60A

This OEM control transformer (part number HT01CN001) is the factory-specified replacement for the Carrier U19X175U60A. The transformer steps down 120V line voltage to the 24V AC signal that powers your thermostat, control board, contactor coil, and all low-voltage control circuitry. When it fails, the entire control circuit goes dead — the thermostat goes blank, the system won't respond to any call for heating or cooling, and no safety or diagnostic functions operate.

Specs: 120V primary | 24V secondary | 40VA rated | Factory-matched OEM tolerances | Compact foot-mount design for direct drop-in replacement
OEM vs Generic: This OEM unit is wound and insulated to exact Carrier factory specifications. Generic transformers frequently underperform at rated VA load, causing voltage sag that triggers nuisance lockouts or damages connected control boards over time.
Install difficulty: 2/5 — Disconnect all power before servicing. Tools needed: flathead and Phillips screwdrivers, multimeter (verify 24V output after install), wire nuts or spade connectors. Always verify the cause of failure — a shorted secondary load can blow a replacement transformer immediately if not corrected first.
Warranty: 1-year OEM factory warranty. In stock and ships same business day from our warehouse.

Compatibility: Designed for the Carrier U19X175U60A. Verify your existing transformer's primary voltage (120V), secondary voltage (24V), and VA rating on the unit data plate or wiring diagram before ordering. Our fitment team is available to confirm compatibility before you buy.

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 U19X175U60A?

Yes. This is the factory-specified OEM transformer for the Carrier U19X175U60A. 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 U19X175U60A?

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 U19X175U60A

OEM Carrier Control Transformer 40VA 120V–24V for Model U19X175U60A

Shipping Information

Return Policy

Frequently Asked Questions