Jabsco Wakeboard Ballast Puppy w/Reversing Switch - 12V. A development of our tried and tested Puppy Pumps lets these specialist craft rapidly take on and dump ballast while modern electronics guard against dry running damage to the impeller The choice of motor boat builders for ski and wakeboard ballast systems. Includes Run-Dry Protection Device 9 GPM (34 LPM) flow rate Approximately 80 pounds of water ballast per minute Self-priming to 3' Reversible pump both fills and empties ballast tanks Reversing switch Ignition protected Ports 1" (25mm) hose barb external 1/2" NPT internal Specifications for Jabsco Wakeboard Ballast Puppy w/Reversing Switch: Manufacturer: Jabsco Color: Black Voltage: 12 volts Features of Jabsco Wakeboard Ballast Puppy w/Reversing Switch Gallons Per Minute: 9 Reversible: Yes Volts: 12v Package Contents: Jabsco Wakeboard Ballast Puppy w/Reversing Switch Jabsco 18220-1127: Wakeboard Ballast Puppy w/Reversing Switch - 12V