An ultramodern, single-chamber, self-priming diaphragm pump that can be set up in several different pump/motor configurations. It is easy to install anywhere after the drain outlet in the wastewater system or as a bilge pump in any leisure craft - new or used. It"s non-choke valves mean that no in-line filters are necessary, and the pump can not only be run dry, it can also handle a mixture of air and water without difficulty. It is self-priming up to a height of 8.2 ft. With its low pulse and muffled rubber bracket, this pump offers quiet operation. Double check valves for improved pumping action. When it comes time to replace the premium grade reinforced nitrile rubber diaphragm, you can put in a spare without even removing the pump from the system.