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OEM Carrier Transformer 40VA 120V-24V for FA4BNF060010AAAA
Carrier

OEM Carrier Transformer 40VA 120V-24V for FA4BNF060010AAAA

SKU: CARRIE-FA4BNF060010AAAA-TRANSFORMER-HT01CN241 Brand: Carrier

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Texas CMBL #19328542014
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Govt POs Accepted

OEM Carrier 40VA Control Transformer for Model FA4BNF060010AAAA

This OEM control transformer (part number HT01CN241) is the factory-specified replacement for the Carrier FA4BNF060010AAAA air handler. The transformer is the backbone of your system's low-voltage control circuit, stepping down 120V line voltage to the 24V signal voltage required by your thermostat, contactor coil, and control board. When the transformer fails, the entire control circuit goes dead — your thermostat will display a blank screen or show no response, and the system will not heat, cool, or circulate air at all.

  • Specs: 40VA rating | Primary voltage: 120V | Secondary voltage: 24V | OEM part number HT01CN241 | Factory-matched output tolerance for reliable control circuit protection
  • OEM vs Generic: This is a genuine Carrier OEM transformer, wound and tested to exact factory specifications. Generic transformers frequently lack proper VA headroom, causing nuisance trips and premature failure — especially when multiple 24V accessories such as zone boards or humidifiers share the circuit.
  • Install difficulty: 2/5 — Shut off all power to the air handler before beginning. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter. Label all low-voltage wires before disconnecting. Verify 24V output with a multimeter after installation before restoring thermostat connections.
  • Warranty: 1-year OEM factory warranty against defects. Orders placed before cutoff ship the same business day from our warehouse.

Compatibility: Designed specifically for the Carrier FA4BNF060010AAAA fan coil air handler. Confirm your existing transformer's VA rating and primary/secondary voltages on the unit's data plate before ordering. Our parts specialists are available to verify fitment — order with confidence and get your system back online today.

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 FA4BNF060010AAAA?
Yes. This is the factory-specified OEM transformer for the Carrier FA4BNF060010AAAA. 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 FA4BNF060010AAAA?
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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