This CC2 vertical venting solution ensures that combustion gas exhaust and fresh air intake are managed through a single roof penetration via a concentric adapter box

The nickel plating on the 5300-043 offers superior protection against oxidation compared to standard copper

always verify the specific tray configuration before installation

it provides precise local or remote sensing for high-efficiency thermal management

Rely on this authentic York heat exchanger assembly to eliminate combustion bypass and optimize your client's indoor climate control

Carrier HK42FZ020 Control Board 320720-756 This CC2 vertical venting solutionThe Carrier HK42FZ020 Control Board is a critical OEM replacement part designed for two stage gas furnace systems. This furnace circuit board serves as the central logic unit, managing the complex sequence of operations for high efficiency heating cycles. Engineered for Carrier, Bryant, and Payne equipment, it replaces previous iterations like the HK42FZ019, providing reliable control over the inducer motor, hot surface igniter, and blower motor