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Carrier

OEM Carrier Transformer for Model FE4ANB003T00ABAA Fan Coil Unit

SKU: carrier-transformer-fe4anb003t00abaa Brand: Carrier
$56.95

Order before 3PM CST — ships same day.
Standard delivery 2-5 business days. Express options at checkout.

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OEM Carrier Transformer for Model FE4ANB003T00ABAA Fan Coil Unit

This genuine OEM Carrier transformer provides the steady 24-volt control power that keeps your FE4ANB003T00ABAA fan coil unit operating correctly. It steps incoming line voltage down for the thermostat circuit, control board, and relays, and a failed transformer is among the most common reasons an air handler goes completely unresponsive or won't answer a heating or cooling call. Built to Carrier's original factory specifications, this transformer is a direct match for the FE4ANB003T00ABAA, seating in the original mounting location with identical primary and secondary connections for a clean, no-modification swap. The install is easy to moderate and typically takes 20-30 minutes with standard hand tools; always disconnect power at the breaker before starting and confirm the wiring before energizing. Using the correct OEM transformer protects downstream control electronics from voltage damage and preserves your warranty. Orders placed before 3PM CST ship the same day for a quick turnaround. Depend on this authentic Carrier transformer for a safe, durable, long-lasting repair to your fan coil system.

Compatibility

This part is compatible with Carrier model FE4ANB003T00ABAA.

Shipping

Same-day shipping before 3 PM CST. 30-day returns on uninstalled parts.

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 $75
  • 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 support@nationalhvacparts.com to initiate a return
  • Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Transformer fit my Carrier Model FE4ANB003T00ABAA Fan Coil Unit?
Yes. This is the factory-specified OEM transformer for the Carrier Model FE4ANB003T00ABAA Fan Coil Unit. 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 Model FE4ANB003T00ABAA Fan Coil Unit?
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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