Jabsco Ballast-Puppy Pump Kit 12 Volt Wakeboard/Ski Boat 18220-1127 This 12-volt flexible impeller pump is specifically manufactured for wakeboard and ski boats for water ballast transfer. This quick and convenient kit will help custom shape the boat’s wake to suit any boarder’s style. The pump is capable of transferring approx 34KG (34 litres) of water ballast per minute at 1.5-metre head – filling or emptying a 200-litre ballast tank in just under 6 minutes. The pump is fully reversible to both fill and empty ballast tanks in quick time, simply and easily. Self-priming to 0.9 metres (3 feet), won’t airlock and has exclusive run dry protection and ignition-protected motor. Supplied with a special green polyurethane compound impeller that handles reversing with ease. Supplied with high-quality dash mount switch unit marked “Ballast” fill and empty, complete with fitted connectors and long heavy-duty electrical wiring. Hose connection ports – dual 1/2′′ NTP internal female thread and 25mm external hose barb.