Baltimore Aircoil (BAC) RK3644M5 Universal Electric Water Level Control

The Baltimore Aircoil (BAC) RK3644M5 Universal Electric Water Level Control is a management component used to monitor and regulate basin water levels in evaporative cooling equipment. It uses multiple probe inputs to detect low, normal, and high water conditions and sends control signals to operate fill valves as needed. Installed in HVAC systems, it maintains proper water balance within cooling to support stable heat rejection performance. The unit includes sealed electronic sensing, indicators and time-delay logic to reduce short circuits and improve control under varying operating conditions.