Jabsco Par Max 3 automatic pumps create a powerful water system in compact footprint. These 3 chamber diaphragm pumps are sealed for smooth, quiet operation and are self-priming up to 10 ft. They feature thermal overload protection to automatically stop pump motor in the event of overload-induced overheating, with auto restart. Diaphragm design allows extended dry running. Specifically designed to provide super quiet, ultra smooth flow.

The integral water pressure switch activates automatically when water pressure drops below prescribed amount. The high pressure model will boost water system pressure back up to 40 psi, low pressure models switch return pressure back up to 25 psi. Self-priming pump can be run dry without any danger of damage.