Ballast King Bronze DC Pump without Switch - 15 GPMWakeboard and Ski Boat Ballast PumpFeatures:Flow rate: 15 US gallons/min (57 Litres/min)Self-priming from dry up to 1.2m (4ft)Adds approx 125lbs (56kgs) of ballast per minuteReversible to both fill and empty tanksSimple design means fewer wearing parts.ISO 8846 MARINE (Ignition protection).Applications:The Ballast King is designed to pump water into Wakeboard Liquid Ballast Tanks and when reversed will also pump water out of them. It has a flow rate of 15 gallons per minute, so it can fill most ballast tanks in about five minutes. It is equipped with a Run-Dry Protection Device (patent pending) to automatically shut-off the pump and protect the impeller from run-dry damage should the pump be mistakenly left on after the Ballast Tank is empty. Specifications:Body Materials: BronzeImpeller: Jabsco Neoprene compoundSeal: Lip TypePort(s): 1/2" Internal Pipe Threads 1" External Hose Barb Voltage: 12 (Vdc)Amp Draw: 19 (amp)Fuse Size: 25 (amp)Motor Type: Equipped with Run-Dry Protection Device (Patent Pending) Permanent Magnet Type Fully Enclosed Stainless Steel Shaft Ball Type Shaft Bearing Reversible Duty Cycle: 30 Minutes MaxDimensions: 3 5/8 x 8 x 4 3/4 (inches)WARNING: This product can expose you to chemicals including NICKEL (METALLIC) which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov.