Effluent Pump HP 1/2 Rated Voltage 115V AC Hz 60 Hz Phase - Pumps 1 Amps 15 Body Material Cast Iron Impeller Material Cast Iron Shaft Seal Material - Pumps Carbon Ceramic Switch Actuation Tether Float Switch Electrical Connection Piggyback Flow Rate @ 10 ft of Head 115 gpm Flow Rate @ 15 ft of Head 107 gpm Flow Rate @ 20 ft of Head 98 gpm Flow Rate @ 40 ft of Head 57 gpm Max Head 63 ft Min Sump Pit Dia 18 in Minimum Water Depth 18 in Body Dia 12 1/4 in