ACCESSORIES FOR WATER PUMPS Accumulator tank 22959 42997 Pre-pressurised tank reduces the cycling pulsation and pressure spikes. Increases the pump's life and saves battery power. Model Reference Max pressure Pre-charged Dimensions Length xØ Nylon 710 ml 22959 8,8 bar 1,4 bar 226 x 103 mm St. steel 8 litres 42997 7,03 bar 305 x 228 mm