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OEM Carrier Transformer 40VA 120V/24V for FE4ANB005T00ABAA
Carrier

OEM Carrier Transformer 40VA 120V/24V for FE4ANB005T00ABAA

SKU: CARRIE-FE4ANB005T00ABAA-TRANSFORMER-HT01CN236 Brand: Carrier

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Texas CMBL #19328542014
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Govt POs Accepted

OEM Carrier Transformer 40VA 120V/24V for Model FE4ANB005T00ABAA

This OEM replacement transformer (part number HT01CN236) is the factory-specified control circuit transformer for the Carrier FE4ANB005T00ABAA air handler. The transformer steps down line voltage from 120V to the 24V signal required to power the control board, thermostat, and low-voltage control circuit throughout your system. When the transformer fails, the entire control circuit goes dead — your thermostat will display nothing or fail to call for heating or cooling, and the system will not respond to any commands.

  • Specs: 40VA rated | Primary: 120V | Secondary: 24V | OEM part number HT01CN236 | Factory-matched output tolerance for stable control voltage
  • OEM vs Generic: This is a genuine OEM Carrier transformer built to exact factory voltage and VA specifications. Generic transformers may deliver unstable 24V output, causing nuisance lockouts, board damage, or premature contactor coil failure — making OEM the only reliable long-term choice.
  • Install difficulty: 2/5 — Shut off all power at the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter. Label or photograph all low-voltage wiring connections before removal. Verify primary and secondary voltages with a multimeter after installation before restoring full system power.
  • Warranty: 1-year OEM factory warranty. Ships same business day from our warehouse when ordered before cutoff.

Compatibility: Designed specifically for the Carrier FE4ANB005T00ABAA fan coil air handler. Always verify the OEM part number HT01CN236 against your unit's data plate or wiring diagram before ordering. Our parts specialists are available to confirm fitment before you buy — ensuring you get the right part the first time and avoid costly return shipping delays.

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 info@nationalhvacparts.com to initiate a return
  • Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Transformer fit my Carrier FE4ANB005T00ABAA?
Yes. This is the factory-specified OEM transformer for the Carrier FE4ANB005T00ABAA. 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 FE4ANB005T00ABAA?
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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Mike Rivera
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