Baltimore Aircoil (BAC) RK3644M5 Universal Electric Water Level Control

The Baltimore Aircoil (BAC) RK3644M5 Universal Electric Water Level Control is a replacement control assembly used to regulate and maintain proper water levels in cooling tower systems. It operates through multiple probe inputs to monitor signals fill or cutoff actions through a solenoid valve. In HVAC systems and evaporative cooling systems, it ensures stable water supply to support heat reducing performance and protects equipment from low-water or overflow conditions. Installed within the cooling tower control section, it operates as an essential security, supports maintain consistent operation of large-scale commercial and industrial cooling systems.