SEWAGE PUMPS 3/4 HP Submersible Sewage Pump Model R7W, Part No. 24036D500 Designed for heavy duty residential or commercial use as an ongoing pumping system for pressure sewers and septic tanks 2" discharge 115 volt oil-filled motor for superior heat dissipation Built-in overload protection Rugged cast iron construction Maximum flow of 110 GPM at 10' lift Handles 2" solids