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OEM Carrier Transformer 40VA for Model FV4BNB006000AAAA Fan Coil
Carrier

OEM Carrier Transformer 40VA for Model FV4BNB006000AAAA Fan Coil

SKU: carrier-transformer-fv4bnb006000aaaa Brand: Carrier
$44.95

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

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OEM Carrier Transformer 40VA for Model FV4BNB006000AAAA Fan Coil

This genuine Carrier control transformer is the correct OEM replacement for the FV4BNB006000AAAA fan coil air handler. It converts incoming line voltage to the 24V power that drives the control board, thermostat signal, and low-voltage components of your system. A burned-out transformer typically shows up as a dead air handler, a repeatedly blown low-voltage fuse, or a thermostat with no power even after a fresh battery. This factory-matched transformer carries the same VA rating, voltage taps, and mounting pattern as the original, ensuring a true plug-and-play fit with no rewiring. Replacement is a moderate task for a confident DIYer: shut off power at the breaker, photograph and transfer the wiring, secure the new transformer, and restore power. Expect about 30 minutes with basic hand tools. Choosing an authentic Carrier part safeguards your control board and delivers dependable, long-term performance that generic units can't guarantee. We keep this transformer in stock and ship same-day on every order placed before 3PM CST.

Compatibility

This part is compatible with Carrier model FV4BNB006000AAAA.

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 FV4BNB006000AAAA Fan Coil?
Yes. This is the factory-specified OEM transformer for the Carrier Model FV4BNB006000AAAA Fan Coil. 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 FV4BNB006000AAAA Fan Coil?
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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