The Taco leak breaker is a leak detection device that prevents flood damage from leaks in a water heater. Consisting of a control unit, valve with actuator and sensor, the leak breaker can be easily installed on any water heater and is designed to shut off the incoming cold water Supply as soon as a leak is detected. This protection device features test and reset functions, along with a multi color LED light and audible alarm to let you know the status of the leak breaker at all times. The Taco leak breaker is a leak detection device that prevents flood damage from leaks in a water heater. Consisting of a control unit, valve with actuator and sensor, the leak breaker can be easily installed on any water heater and is designed to shut off the incoming cold water Supply as soon as a leak is detected. This protection device features test and reset functions, along with a multi color LED light and audible alarm to let you know the status of the leak breaker at all times.