Espa Pressdrive Automatic Pressure Unit is a carefully designed electronic pressure switch and protection device. Fitted onto a pump for automatic water supply and to reduce water hammer. Maintenance free requiring no preloading of pressure.
It automatically switches the pump on and off whenever there is a demand for water i.e a tap is opened or closed. The inbuilt check valve & logic circuit system protects the pump from dry running when the water supply fails, is insufficient or where the suction lift is too great or where excess leakage or blockage occurs in the pipeline. which enhance the life span of the pump.
Suitable for most water systems from wells, tanks or low pressure mains.
Use with Non return valve on suction.
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