Jabsco Ballast Puppy Boat Ballast PumpThe Jabsco Ballast Puppy Ballast Pump is designed to pump water into Wakeboard Liquid Ballast Tanks, and when reversed will also pump water out of them. This pump has a flow rate of 9 gallons per minute, so it can fill most ballast tanks in about five minutes. It is equipped with a run-dry protection device to automatically shut off the pump and protect the impeller from run-dry damage.Features: Includes run-dry impeller; Includes reversing switch; Adds approximately 80 lbs. of ballast water per minute; Reversible pump both fills and empties ballast tanks; Self-priming to 3 ft.; Complies with USCG 183.410 and ISO 8846 MARINE (Ignition Protected); Specifications: 9 GPM; Self-priming to 3 ft.; Ports: 1" hose barb & 1-2" NPT internal port ; Dimensions: 7 1-8" x 4 3-4" x 3 5-8";