Carrier HK35AC005 Control Board

Ensure your system operates with the precision intended by the manufacturer with the Carrier HK35AC005 Control Board. This genuine OEM HVAC replacement part is the primary logic center for a wide range of Carrier, Bryant, and Payne residential condensing units. Built to handle the rigorous demands of seasonal cycles, this outdoor unit circuit board manages critical staging for the compressor and outdoor fan motor, preventing short-cycling and protecting internal components from voltage irregularities. When a system presents intermittent cooling or fail-to-start symptoms, replacing a compromised Carrier furnace control board with this factory-authorized component restores the exact timing sequences required for optimal refrigerant flow and heat transfer.

For technicians performing a HVAC control board replacement, the HK35AC005 offers a direct-fit installation, utilizing the existing wiring harness and mounting footprint of previous revisions. The high-grade circuitry is engineered to resist moisture and thermal stress, common failure points in outdoor electrical cabinets. By integrating this Carrier HK35AC005, you eliminate the compatibility risks associated with universal aftermarket boards, ensuring all diagnostic LED protocols align with the original service manual for faster future troubleshooting.

• Precise System Logic: Restores factory-spec sequencing for compressor and fan operation to maintain peak SEER ratings.
• Durable Construction: Engineered with hardened traces and relays to withstand the vibrations and high heat of outdoor condensing units.
• Simplified Integration: Direct OEM replacement ensures 100% compatibility with the original communication and power harnesses.
• Onboard Diagnostics: Features integrated LED indicators to provide immediate status feedback and fault codes for efficient service calls.

Is the HK35AC005 compatible with multi-stage equipment?
This board is primarily designed for specific single-stage and select 13-16 SEER outdoor units. Always verify your specific model and serial number against the factory parts list to ensure the logic matches your system's configuration.

What causes this control board to fail prematurely?
Most failures in the field stem from voltage spikes, moisture intrusion into the electrical cabinet, or loose wiring connections that lead to arcing at the terminal blocks.

Does this board require any field programming?
As a genuine OEM part, it comes pre-configured with the standard logic for compatible Carrier/Bryant/Payne models, typically requiring only a direct terminal-to-terminal swap during installation.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.