This automatic water level controller is a useful device for homes, hospitals, industries, etc. This product saves water, electricity and time and helps in preventing the overflow of water from the overhead tank, enabling you to efficiently manage your water resource and prevent any wastage. out of three sensors, one sensor is put at the bottom, another is put in the middle, and the third sensor is put at the top level of the tank. When the water level in the tank becomes low, it flows down through the middle sensor and the motor gets switched on automatically, filling up the tank. When the water level increases, the top level sensor senses it and the motor automatically gets switched off without requiring any man power. Automatic Water level controllers are highly recommended for metro cities or areas where drinking water is supplied through pipelines which are further distributed in homes, hotels, societies, etc.