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OEM Carrier Transformer HT01BD236 for Model FA4ANF036008AGAA

SKU: carrier-transformer-fa4anf036008agaa Brand: Carrier
$49.95

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

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OEM Carrier Transformer HT01BD236 for Model FA4ANF036008AGAA

This genuine OEM Carrier transformer (HT01BD236) steps down line voltage to the low-voltage 24V control power your FA4ANF036008AGAA fan coil needs to operate the thermostat, control board, and relays. When a transformer fails, the entire control circuit goes dark—your thermostat may be blank, the system won't respond to calls for cooling or heating, and nothing energizes. This factory-spec replacement delivers the precise voltage and VA rating Carrier engineered for the FA4ANF036008AGAA, ensuring stable control power and protecting downstream electronics. Installation is a moderate job: shut off power, label and transfer the primary and secondary leads exactly, and mount the new transformer—most technicians finish in 20-30 minutes. A shorted control wire is a common cause of transformer burnout, so inspect for that before powering up. Choosing authentic OEM parts ensures correct output and reliable, long-lasting performance over generic alternatives. Order before 3PM CST for same-day shipping and restore power to your controls quickly. In stock at NationalHVACParts.com.

Compatibility

This part is compatible with Carrier model FA4ANF036008AGAA.

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 FA4ANF036008AGAA?
Yes. This is the factory-specified OEM transformer for the Carrier Model FA4ANF036008AGAA. 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 FA4ANF036008AGAA?
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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