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OEM Carrier Transformer 40VA 120V/24V for HP13PR03000GAKAA
Carrier

OEM Carrier Transformer 40VA 120V/24V for HP13PR03000GAKAA

SKU: CARRIE-HP13PR03000GAKAA-TRANSFORMER-HT01AW229 Brand: Carrier
✓ Guaranteed to fit HP13PR03000GAKAA — or your money back. Terms

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Texas CMBL #19328542014
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OEM Carrier 40VA Control Transformer HT01AW229 for Model HP13PR03000GAKAA

This is the factory-original OEM replacement transformer (part number HT01AW229) for the Carrier HP13PR03000GAKAA heat pump system. The transformer steps down 120V line voltage to 24V AC, powering the entire low-voltage control circuit — including the thermostat, contactor coil, and control board. When this component fails, nothing in the system responds: the thermostat goes blank, the unit will not energize, and no heating or cooling is possible. It is often the first component to suspect when a system goes completely unresponsive despite confirmed line voltage at the unit.

  • Specs: 40VA rated | 120V primary / 24V secondary | Designed to factory OEM tolerance | Direct drop-in replacement for part number HT01AW229
  • OEM vs Generic: This OEM transformer is wound and rated to Carrier's exact VA specification. Undersized or off-brand transformers can brown out under full control circuit load, causing intermittent lockouts, nuisance tripping, or premature board failure — OEM eliminates that risk.
  • Install difficulty: 2/5 — Shut off all power before servicing. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Confirm 24V output after installation before restoring full system power. Photograph all wiring connections prior to disconnecting the old unit.
  • Warranty: 1-year OEM factory warranty. In-stock and ships same business day from our warehouse.

Compatibility: Engineered specifically for the Carrier HP13PR03000GAKAA heat pump. Always verify your existing transformer's VA rating and primary/secondary voltage from the unit data plate or wiring diagram before ordering. Our parts specialists are available to confirm fitment — reach out before you order 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 HP13PR03000GAKAA?
Yes. This is the factory-specified OEM transformer for the Carrier HP13PR03000GAKAA. 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 HP13PR03000GAKAA?
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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