Description
The Carrier HK42FZ039 is a Control Board, the central part of the HVAC system. This is the most essential component and it serves as a link between other subcomponents and the rest of the system. It controls different functions based on the interpretation of user temperature preferences and system performance to provide comfort and efficiency. It informs the furnace or air conditioner which components should be on the compressor and fan to sustain the preferred temperature preferences. A bad control board can cause a range of problems including wrong temperatures, failures, and sometimes complete system shutdowns.
