This new model single chamber diaphragm pump passes solids easily and is particularly effective in emptying waste holding tanks.- Flexible installation - head can be rotated 360 degrees and also revolves around the motor joint so inlet/outlet ports can be set at any desired angle. Replaces old Jabsco model 59090 diaphragm pump on previous page. - 5 GPM - 19 litres per minute output - Self priming to 3 metres vertical - Compact size and simple design, capable of extended dry running - Ignition protected motor with run dry capability - Multi-position head & ports can be rotated for flexible installation - Corrosion resistant parts - Low maintenance - non-clogging joker valves - Passes solids easily - no filter required