Working : As shown in the diagram out of three sensors, 1 sensor put at the bottom, 1 sensor put at middle, and 1 sensor at top level of the tank. When the water level in the tank becomes low, means water get down from middle sensor, motor get switch on automatically. The tank starts filling up. When the water level reaches to the higher level, the top level sensor sense. the motor automatically gets switched off. Water level indication provided to see water level in tank. Motor ON OFF indication provided. High quility ABS Enclosure. No man power is required as it is operate as fully automatic. Supply voltage : 220-270 V AC, Suitable to 0.1 HP to 2.0 HP Motor. Also suitable for single phase MCB starter panel & submersible motor. Auto and manual switch available. In auto mode, motor start and stop automatically. In manual model, motor start and stop with manual switch, No additional wiring require to operate motor in manual. Sensing Elements: Carbon sensors, it is free from oxidation. Long life. Any conducting wire can be use for sensor. Applications : Applicable to under ground tank, over head tank, pressure pump, tube well and deep boring. Automatic water level controller is of much used in homes, hospital, industries. Use of this product saves water, saves electricity and save times. Helps in preventing overflow of water from the overhead tank. long service Life.