MACERATOR PUMP JABSCO 18590-2094 24 VOLTJabsco Macerator, this heavy duty self priming macerator pump includes a patented run dry protection device, heavy duty corrosion resistant triple sealed motor and a powerful 4 blade stainless steel chopper to further reduce the possibility of clogging. An ideal answer for sample holding tank pump outs. 46 litres per minute and 38 litres per minute at a 3 metre head, self priming up to 1. 2 metres vertical lift, tripple sealed ignition protected motor