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OEM Carrier Transformer 40VA 120V/24V for CH13NA03600GAABA
Carrier

OEM Carrier Transformer 40VA 120V/24V for CH13NA03600GAABA

SKU: CARRIE-CH13NA03600GAABA-TRANSFORMER-HT01AW229 Brand: Carrier
✓ Guaranteed to fit CH13NA03600GAABA — or your money back. Terms

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier Control Transformer 40VA 120V/24V for Model CH13NA03600GAABA

This is the factory OEM replacement control transformer (part number HT01AW229) for the Carrier CH13NA03600GAABA split-system air conditioner. The transformer steps down line voltage from 120V to the 24V signal required by your thermostat, contactor coil, and all low-voltage control circuitry. When this component fails, the entire control circuit goes dark — the thermostat loses power, the system won't respond to any calls for cooling, and the unit sits completely unresponsive despite the disconnect being live.

  • Specs: 40VA rating | 120V primary / 24V secondary | Single-phase | OEM part number HT01AW229 | Factory-matched to Carrier CH13NA03600GAABA control board wiring harness
  • OEM vs Generic: OEM transformers are wound and insulated to Carrier's exact VA and thermal specs. Generic units frequently underperform under sustained load, causing nuisance tripping of the secondary fuse or premature burnout — particularly in high-run-time climates.
  • Install difficulty: 2/5 — Shut off power at the disconnect AND the breaker before servicing. Tools needed: flathead and Phillips screwdriver, needle-nose pliers, multimeter (verify 0V before touching secondary terminals). Photograph low-voltage wiring connections before removal. Installation typically takes 20–30 minutes.
  • Warranty: 1-year OEM factory warranty against defects. Orders placed before cutoff ship same business day from our warehouse.

Compatibility: Designed specifically for the Carrier CH13NA03600GAABA 3-ton single-stage R-410A condenser. Always verify your existing transformer's VA rating and primary/secondary voltages against your unit's data plate before ordering. Our parts specialists are available to confirm fitment — reach out 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 CH13NA03600GAABA?
Yes. This is the factory-specified OEM transformer for the Carrier CH13NA03600GAABA. 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 CH13NA03600GAABA?
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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