This Johnson 2200 GPH 12 volt Pump can be set up with either a 1 1/8" , 1.25", or 1.5" discharge. Rigged with the smaller discharge, it delivers 1600 gph. With the 15" discharge it has a 2000 gph output. Draws 7 amps at 12 Volts DC. This unit is completely submersible and will also run on 24 volts DC.