Sewage Ejector Pump, HP 1/2, Rated Voltage 230V AC, Phase - Pumps 1, Amps 7.30 A, Motor Type Capacitor Start, Body Material Cast Iron, Impeller Material Cast Iron, Shaft Seal Material - Pumps Silicone Carbide, Switch Actuation No Switch Included, Switch Electrical Connection No Switch Included, On Point Not Applicable, Off Point Not Applicable, Flow Rate @ 10 Ft. of Head 122 gpm, Flow Rate @ 15 Ft. of Head 90 gpm, Flow Rate @ 20 Ft. of Head 50 gpm, Max. Diameter Solids 2 in, Body Dia. 12 1/2 in These general purpose single-phase 200 to 240V sewage ejector pumps use a higher voltage that allows for larger motors that require less current than lower-voltage motors. They remove sewage containing solids from drains where a gravity system won't work, such as in septic systems that are below the.