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Carrier

OEM Carrier Transformer EL1102 for Model FA4CNF024005AAAA

SKU: carrier-transformer-fa4cnf024005aaaa Brand: Carrier
$39.95

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

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OEM Carrier Transformer EL1102 for Model FA4CNF024005AAAA

This genuine Carrier transformer (EL1102) converts incoming line voltage into the low-voltage 24V power required to operate the control board, thermostat, and relays in your Carrier FA4CNF024005AAAA fan coil. When the transformer fails, your system loses all control power — leaving you with an unresponsive thermostat, no blower, and a unit that simply won't run. Manufactured to Carrier's precise primary and secondary voltage specifications, this OEM replacement ensures correct output and a perfect fit for the FA4CNF024005AAAA. Installation is moderate difficulty and best handled by a qualified HVAC technician, since it requires correctly wiring the primary and secondary leads and verifying proper voltage output; most jobs take roughly 30 to 45 minutes. Always disconnect power at the breaker before working on low-voltage components. An authentic Carrier transformer restores dependable control power and protects your system's sensitive electronics. In stock and ships same-day when ordered before 3PM CST. Trust NationalHVACParts.com for genuine Carrier parts and fast delivery.

Compatibility

This part is compatible with Carrier model FA4CNF024005AAAA.

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 FA4CNF024005AAAA?
Yes. This is the factory-specified OEM transformer for the Carrier Model FA4CNF024005AAAA. 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 FA4CNF024005AAAA?
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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