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OEM Carrier Transformer 60VA 115/208/230V 24V for PH14NA01800GAAAA
Carrier

OEM Carrier Transformer 60VA 115/208/230V 24V for PH14NA01800GAAAA

SKU: CARRIE-PH14NA01800GAAAA-TRANSFORMER-HT01AW229 Brand: Carrier
✓ Guaranteed to fit PH14NA01800GAAAA — or your money back. Terms

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Texas CMBL #19328542014
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OEM Carrier 60VA Control Transformer 115/208/230V Primary 24V Secondary for Model PH14NA01800GAAAA

This OEM control transformer (part number HT01AW229) is the factory-specified replacement for the Carrier PH14NA01800GAAAA packaged heat pump unit. The transformer steps down high-voltage line power (115, 208, or 230V primary) to the 24V AC signal that powers the entire control circuit — including the thermostat, contactor coil, reversing valve, and all safety switches. When this transformer fails, the entire low-voltage control system goes dead: the thermostat goes blank, the unit will not respond to any call for heating or cooling, and no components will energize. A shorted secondary winding can also blow the 3A or 5A control fuse repeatedly, making it appear as though multiple components have failed.

  • Specs: 60VA rating | Primary voltage: 115 / 208 / 230V AC | Secondary voltage: 24V AC | Foot-mount (chassis-mount) configuration | Factory-matched Carrier OEM part
  • OEM vs Generic: This is a genuine Carrier Factory Authorized Part. OEM transformers are wound to exact VA and impedance specifications, ensuring stable 24V output under full control-circuit load. Generic alternatives often run undersized VA ratings, causing voltage sag that triggers nuisance lockouts and premature contactor coil failure.
  • Install difficulty: 2/5 — Disconnect all power before servicing. Tools needed: flathead and Phillips screwdrivers, multimeter (verify 0V before touching terminals), needle-nose pliers for spade connectors. Photograph all wiring connections before removal. Verify the blown fuse is also replaced to confirm the fault is cleared before powering up.
  • Warranty: 1-year OEM factory warranty against defects. Ships same business day from our stocked warehouse.

Compatibility: Designed for the Carrier PH14NA01800GAAAA packaged heat pump unit. Cross-references include HT01AW229A. Always verify your unit's data plate voltage matches the 115/208/230V primary input before ordering. Our team is available to verify fitment — contact us before you buy if you have any questions.

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 PH14NA01800GAAAA?
Yes. This is the factory-specified OEM transformer for the Carrier PH14NA01800GAAAA. 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 PH14NA01800GAAAA?
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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