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

This kit includes the flue transition assembly

this assembly ensures proper venting of combustion gases by maintaining precise static pressure within the heat exchanger

Key Benefits for Technicians: Precise Calibration: Specifically sized for 200k

Precise Fan Cycling: Maintains stable head pressure to prevent evaporator icing and ensure consistent expansion valve performance

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