Turning the screw to the "up" position enables manual reset

the diaphragm or contacts have likely failed

pressure-tight interface with compatible 3T electrodes

What are the selectable timing intervals on this board

The actuator should not be mounted below the horizontal plane to prevent moisture buildup in the housing

Watts 0121580 Detector 320788-704 Turning the screw to theThe Watts 0121580 LFWDS E220 is a specialized 3 4 inch water leak detection system designed to protect residential and commercial properties from catastrophic water heater failure. Operating on 220V power, this lead free unit is engineered for electric water heaters, providing a dual action response by simultaneously cutting the incoming water supply and the electrical power source upon detecting moisture. Unlike basic sensors, the LFWDS E220 utilizes