Cooling Tower Overflow ((free))

Upgrade from mechanical floats to multi-point electronic sensors. These are more reliable and can be integrated into a Building Management System (BMS).

If your makeup water pressure is inconsistent, a PRV can protect your float valves from being forced open. Troubleshooting the Overflow

Cooling tower overflow is rarely the result of a single catastrophic event, but rather the accumulation of small oversights— a sticking valve, a fouled sensor, or a miscalculated surge volume. In an era where water conservation and energy efficiency are paramount, the overflow drain represents a direct line from the facility's budget to the sewer. By prioritizing mechanical integrity and smart control logic, facility managers can turn a leaking liability into a streamlined, efficient asset. The goal is not just to keep the tower cool, but to keep the water where it belongs: in the loop. cooling tower overflow

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Ignoring a steady trickle from an overflow pipe can result in surprisingly high expenses. The goal is not just to keep the

Modern towers often use electronic water level sensors or ultrasonic transmitters. Scale buildup or electrical failure can "blind" these sensors, causing the controller to keep the makeup solenoid valve open.

Debris or a small pebble often gets stuck in the makeup valve, preventing a full seal. a fouled sensor

Addressing cooling tower overflow requires a multi-faceted approach. First, a preventative maintenance schedule should include the inspection and rebuilding of makeup valves at least annually. Second, the integration of a "high-level alarm" interlocked with the makeup valve provides a fail-safe; if the water reaches a critical height, the system should automatically close the valve and alert facility personnel. Finally, operational procedures must account for hydraulic dynamics—ramping pumps down gradually rather than an abrupt shutoff can mitigate surge-related overflow.

Does it overflow or only when the pumps turn off ? What is the approximate age of the unit?