Carrier HK61EA001 Control Board

The Carrier HK61EA001 Control Board is a specialized OEM replacement integrated furnace control designed for specific gas-fired heating units. Engineered for precise HVAC system logic, this board manages the induction motor, igniter sequence, and blower motor timing to ensure optimal efficiency and safety. This Carrier circuit board serves as a direct drop-in replacement for legacy CESO110057-01 and CESO110057-02 models, eliminating the need for complex field modifications. As a critical furnace control board, it features a standardized pin configuration for seamless wiring harness integration. Technicians should verify HK61EA001 compatibility with existing 24V secondary circuits and check for proper grounding to prevent diagnostic fault codes. Built to handle 120V line voltage for the blower and 24V for the thermostat interface, this OEM Carrier part ensures the sequence of operations remains within manufacturer specifications, maintaining the pressure switch monitoring and flame sensing protocols required for reliable ignition cycles and consistent climate control performance.

Key Performance Benefits

• Integrated Diagnostics: Features onboard LED indicators to simplify troubleshooting of pressure switch failures or limit circuit trips.
• Precision Timing: Pre-programmed heat/cool blower delays and prepurge cycles optimized for gas valve stabilization.
• Direct Fitment: Matches the mounting footprint and terminal layout of original factory equipment to reduce installation time.
• Relay Durability: Heavy-duty onboard relays designed to handle the inductive load of high-static blower motors.

Common Contractor Questions

Is the HK61EA001 compatible with single-stage gas valves?
Yes, this control board is specifically engineered for single-stage heating systems and manages the 24V signal to the gas valve following a verified flame signal.

Does this board replace the CESO110057 series?
Yes, the HK61EA001 is the current replacement part number for the CESO110057-01 and CESO110057-02 boards frequently found in legacy Carrier and Bryant furnaces.

What causes typical diagnostic flash codes on this unit?
Most common codes involve a lockout due to failed ignition, a tripped high-limit switch, or an open pressure switch; always check the specific flash pattern against the unit's service manual.

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.