12 Volt Submersible Water Pump. This Wayne Thermoplastic Submersible Utility Pump drains flooded basements, empties water-filled boats and removes water from stock tanks and flat roofs with its 1/6 HP motor. Features thermal-overload protection to prevent burn out. Oil-less motor design for environmentally safe operation. Max. Total Head (ft.): 20, Discharge Port (in.): 1 1/4, Impeller Shaft: Impact resistant, Flow (GPH): 3,000, Volute: Impact resistant, Max. Suction Lift (ft.): 17, Power Cord (ft.): 9, Dimensions L x W x H (in.): 7 1/4 x 5 3/4 x 10 3/4, Volts: 120, HP: 1/6 12 Volt Submersible Water Pump.