Sink Drain Pump System HP 1/2 hp Rated Voltage 115V AC Amps 7.3 A Switch Actuation Vertical Float Switch Electrical Connection Piggyback Pump Body Material Polypropylene Impeller Material Plastic Basin Material Polyolefin Basin Capacity 5.5 gal Basin Dia 13-3/4 in Basin Height 14-1/8 in Basin Inlet Diameter 2 in Outlet Diameter 2 in Vent Size 2 in Flow Rate @ 5 ft of Head 48 gpm Flow Rate @ 10 ft of Head 44 gpm Flow Rate @ 15 ft of Head 39 gpm