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Carrier

OEM Carrier Transformer Replacement for Model FE4ANF003000ABAA

SKU: carrier-transformer-fe4anf003000abaa Brand: Carrier
$34.95

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

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OEM Carrier Transformer Replacement for Model FE4ANF003000ABAA

This OEM Carrier transformer is the original step-down power supply for the FE4ANF003000ABAA fan coil unit, converting line voltage into the 24V low-voltage control power needed by the thermostat, control board, and relays. Common signs of a failed transformer include a dead blower, a blank thermostat, tripped low-voltage fuses, or a unit that simply won't respond. This factory-spec replacement matches Carrier's exact voltage and VA ratings, giving you safe, stable control power without the uncertainty of a generic substitute. Designed specifically for the FE4ANF003000ABAA, it drops into the existing mount and connects to the original wiring for a quick, clean fit. Installation is an intermediate-level task — disconnect power before working and verify wiring before energizing. A genuine OEM transformer protects your control board and downstream electronics from over- or under-voltage damage. In stock and ready to ship: orders placed before 3PM CST go out same-day. Bring reliable, factory-correct power back to your Carrier fan coil with the proper transformer.

Compatibility

This part is compatible with Carrier model FE4ANF003000ABAA.

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 FE4ANF003000ABAA?
Yes. This is the factory-specified OEM transformer for the Carrier Model FE4ANF003000ABAA. 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 FE4ANF003000ABAA?
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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