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Carrier

OEM Carrier Transformer Replacement for Fan Coil FF1DNA018011ABAA

SKU: carrier-transformer-ff1dna018011abaa Brand: Carrier
$42.95

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 Fan Coil FF1DNA018011ABAA

This OEM Carrier transformer is the exact factory-specified replacement for fan coil model FF1DNA018011ABAA, restoring the 24V control power your system needs to operate. The transformer steps down incoming line voltage to drive the thermostat, contactor, and relay circuits. When it burns out, the result is usually a dead unit — no blower, no call for heat or cool, and a blank thermostat. As a genuine Carrier part, it matches the original VA rating, coil specification, and terminal layout precisely, enabling a clean drop-in installation with no rewiring required. For an HVAC professional, the swap takes roughly 20–30 minutes: disconnect power, note the wire positions, mount the replacement, and reconnect. Choosing OEM over a generic transformer preserves your warranty and guarantees the correct voltage output, preventing the premature control failures associated with mismatched aftermarket parts. We keep this transformer in stock and ship same-day on every order placed before 3PM CST. Our specialists are available to verify compatibility before you complete your purchase.

Compatibility

This part is compatible with Carrier model FF1DNA018011ABAA.

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 Fan Coil FF1DNA018011ABAA?
Yes. This is the factory-specified OEM transformer for the Carrier Fan Coil FF1DNA018011ABAA. 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 Fan Coil FF1DNA018011ABAA?
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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