Simple, fast sizing;Range curves and selection charts generated from actual R&D tests;Kits configured for 30 Hz minimum and 80 Hz maximum operation;Kits use mismatched water end and motor (see component chart);Wiring is as easy as standard three-wire control box- L1, L2 and ground in from power supply – red, yellow, black and ground out to motor;Pressure is factory preset at 60 psi with simple, fast, field adjustability for higher pressures;Three phase output to motor reduces wire cost;Goulds Water Technology model GS features the Guardian bearing system and field proven sand and abrasive handling floating stack design;Switch input for connecting a pressure switch or float switch