What are the specs for this Control Board?

The correct replacement for Carrier model FB4CNP024000AAAA is this exact part. It is the factory-specified replacement with exact OEM specifications. Using a part with different specifications can cause equipment damage or void your warranty. You can verify this by checking the data plate on your Carrier equipment which lists the model number FB4CNP024000AAAA.

Is this control board compatible with Bryant or Payne systems too?

Many Carrier parts are cross-compatible with Bryant and Payne systems since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across multiple brand labels with different model numbers. To verify cross-compatibility, check your Bryant or Payne equipment service manual for cross-compatible part numbers, or contact info@nationalhvacparts.com with your model number for confirmation.

Carrier

OEM Carrier Rectifier Control Board HK61EA003 for FB4CNP024000AAAA

Name: OEM Carrier Rectifier Control Board HK61EA003 for FB4CNP024000AAAA
Brand: Carrier
SKU: CARRIE-FB4CNP024000AAAA-CONTROL_BOARD-HK61EA003
Price: 156.00 USD
Availability: InStock

SKU: CARRIE-FB4CNP024000AAAA-CONTROL_BOARD-HK61EA003 Brand: Carrier

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OEM Carrier Rectifier Control Board HK61EA003 for Model FB4CNP024000AAAA

This is the OEM factory-specified rectifier control board (part number HK61EA003) for the Carrier FB4CNP024000AAAA air handler. The control board serves as the central command center of your air handler, managing blower motor operation, heat sequencing, fan speed staging, and all low-voltage signal communication between the thermostat and system components. When this board fails, symptoms typically include a completely unresponsive system, intermittent shutdowns, blower motor not running, or error codes that persist after other components have been ruled out. Replacing the control board with a genuine OEM part ensures full compatibility with all factory logic and safety routines built into your unit.

Specs: OEM Part Number HK61EA003 | Rectifier control board | Designed for Carrier FB4CNP024000AAAA air handler | Factory-matched low-voltage (24V) control circuit interface | Multi-speed blower control outputs
OEM vs Generic: Genuine OEM boards carry the exact firmware, relay ratings, and terminal layout as the original. Aftermarket boards may require wiring modifications, lack proprietary fault diagnostics, and can void system warranties — OEM is always the recommended choice for control boards.
Install difficulty: 4/5 — Control board replacement requires comfort with low- and line-voltage wiring. Tools needed: Phillips and flathead screwdrivers, needle-nose pliers, multimeter, phone or camera to photograph all wiring before disconnection. We strongly recommend a licensed HVAC technician for this repair.
Warranty: 1-year OEM factory warranty against defects. Orders placed by 3 PM local time ship same business day from our climate-controlled parts warehouse.

Compatibility: Engineered specifically for the Carrier FB4CNP024000AAAA fan coil air handler. Always verify your existing board's part number against HK61EA003 before ordering. If you are unsure of fitment, our HVAC parts specialists are available to confirm compatibility before you purchase. In-stock and ready to ship — order today and get your system back online fast.

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

OEM Carrier Rectifier Control Bo...

$156.00

Frequently Asked Questions

Does this Control Board fit my Carrier FB4CNP024000AAAA?

Yes. This is the factory-specified OEM control board for the Carrier FB4CNP024000AAAA. 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 control board on my Carrier FB4CNP024000AAAA?

Difficulty: Advanced (1–2 hrs)
Step 1: Turn off breaker. Step 2: PHOTOGRAPH all wire connections before touching anything. Step 3: Label each wire with tape. Step 4: Disconnect all wires, remove old board. Step 5: Mount new board, reconnect all wires matching your photo exactly. Step 6: Restore power and test all modes. Exact part number match is critical.

My HVAC system is completely dead. What could be wrong?

Completely dead HVAC (no LED on board) = failed control board or blown fuse. Check board fuse first (3A or 5A, costs $1–$5). If fuse is good and board has power but no LED, board is dead. Always photograph wiring before replacing.

Is this control board 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 control board?

OEM essential. Control boards are model-specific with precise firmware and connector layouts. Aftermarket boards rarely match all functions and can cause intermittent failures or safety issues. Always match the exact OEM part number.

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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OEM Carrier Rectifier Control Board HK61EA003 for FB4CNP024000AAAA

OEM Carrier Rectifier Control Board HK61EA003 for Model FB4CNP024000AAAA

Shipping Information

Return Policy

Frequently Asked Questions