Sink Drain Pump System, HP 1/2 hp, Rated Voltage 115V AC, Amps 4.9 A, Switch Actuation Vertical Float, Switch Electrical Connection Piggyback, Pump Body Material , Impeller Material Stainless Steel, Basin Material HDPE, Basin Capacity 6 gal, Basin Height 13-3/8 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 55 gpm, Flow Rate @ 10 Ft. of Head 51 gpm, Flow Rate @ 15 Ft. of Head 46 gpm, Flow Rate @ 20 Ft. of Head 39 gpm