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Automatic water level controller switches ON the motor when the water level in the overhead tank drops below pre fixed low level (on point) and puts off the motor when water level rises up to pre fixed high level (off point) motor also switches off when the sump water is exhausted before filling overhead tank, pump running dry, Mains voltage fluctuations.
State of the art, digital technology, advanced microcontroller based products.
The system is very versatile, A number of tailor made variations like control of multiple tanks, or multiple pumps are possible.