Sink Drain Pump System HP 1/3 hp Rated Voltage 115V AC Amps 4 A Switch Actuation Vertical Float Switch Electrical Connection Piggyback Pump Body Material Structural Foam Impeller Material Plastic Basin Material Structural Foam Basin Capacity 6 gal Basin Dia 15 13/16 in Basin Height 14 13/64 in Basin Inlet Diameter 1 1/2 in Outlet Diameter 1 1/2 in Vent Size 1 1/2 in Flow Rate @ 5 ft of Head 51 gpm Flow Rate @ 10 ft of Head 40 gpm Flow Rate @ 15 ft of Head 28 gpm