This is a Carrier Bryant ICP Heil Furnace Control Board, specifically model HK42FZ062. Part Number: HK42FZ062 (also known as CEPL131004-20). Function: Acts as the “brain” of the furnace, managing ignition sequences, blower fan operation, and safety controls. Compatibility: Designed for use in Carrier, Bryant, Payne, and ICP heating equipment. Features: Includes a 3-amp fuse for circuit protection and status LED indicators for troubleshooting.