Johnson F4B-12 Ultra Ballast 12V

F4B-12 Ultra Ballast - Capacity 51Lpm - Dimensions - 202mm long x 120mm wide x 90mm high. JOHNSON BALLAST PUMPS - Designed to quickly fill or, when reversed, drain a ballast tank. Capable of pumping fresh or sea water the pump’s robust design can handle the rigours of continuous duty usage, is reversible, and has a built in thermal overload for added protection. Polarity reversing switch kit available as accessory. Care not to run dry for extended periods of time will increase the pump longevity and ensure reliable performance for many years. Note! Only for waterhandling.