WaterWorker WWDPC Digital Pressure Control for Water Well Systems Low suction alert warns user of the possibility of low well water levels, shutting down and preventing pump burn out Voltage protection feature will shut down the pump and restart when proper voltage is detected, LED display will show E3 message Durable NEMA 3 enclosure, UL listed for pumps up to 2hp, can be used with motor controllers Fits new or existing systems, Spins onto most tank tees, no unions or extra fittings Compatible with 115 or 230VAC systems