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OEM Carrier Control Transformer 60VA 115/208/230V-24V — PH10JA02400GAG
Carrier

OEM Carrier Control Transformer 60VA 115/208/230V-24V — PH10JA02400GAG

SKU: CARRIE-PH10JA02400GAGAA-TRANSFORMER-HT01AW229 Brand: Carrier
✓ Guaranteed to fit PH10JA02400GAG — or your money back. Terms

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OEM Carrier Control Transformer 60VA 115/208/230V-24V for Model PH10JA02400GAGAA

This OEM control transformer (part number HT01AW229) is the factory-specified replacement for the Carrier PH10JA02400GAGAA. The transformer steps down line voltage from 115, 208, or 230V to 24V AC to power the unit's entire low-voltage control circuit — including the thermostat, contactor coils, and control board. When this transformer fails, nothing works: the thermostat goes blank, the system won't respond to calls for heating or cooling, and fuses or breakers may trip. A failed transformer is one of the most commonly misdiagnosed HVAC faults — always verify output voltage at the secondary terminals with a multimeter before condemning a board.

  • Specs: 60 VA power rating | Primary voltage: 115/208/230V AC, 50/60 Hz | Secondary voltage: 24V AC | Foot-mount configuration | OEM part number HT01AW229
  • OEM vs Generic: This is a genuine Carrier Factory Authorized Part (FAP). OEM transformers are wound and insulated to exact factory specifications, ensuring correct VA capacity and long-term reliability. Generic units often underrate their VA capacity, causing nuisance overloads and premature failure under full control-circuit loads.
  • Install difficulty: 3/5 — Shut off all power at the disconnect and breaker before beginning. Tools needed: multimeter, flathead and Phillips screwdrivers, wire stripper, needle-nose pliers. Always verify primary input voltage matches your supply before powering up. Label all wire connections before removing the old transformer.
  • Warranty: 1-year OEM factory warranty. In-stock — ships same business day from our warehouse.

Compatibility: Engineered as the direct OEM replacement for Carrier model PH10JA02400GAGAA. Also cross-references as HT01AW229A and is compatible with select Bryant and Payne equipment sharing the same 60VA, 115/208/230V-24V transformer specification — verify your unit's wiring diagram and data plate before ordering. Have a fitment question? Our HVAC parts specialists 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

Frequently Asked Questions

Does this Transformer fit my Carrier OEM Carrier Control Transformer 60VA 115/208/230V-24V — PH10JA02400GAG?
Yes. This is the factory-specified OEM transformer for the Carrier OEM Carrier Control Transformer 60VA 115/208/230V-24V — PH10JA02400GAG. 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 OEM Carrier Control Transformer 60VA 115/208/230V-24V — PH10JA02400GAG?
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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