SHURflo 2088-403-144 PREMIUM PUMP

These automatically switch on when tap is opened.

SHURflo engineering at its finest. These potable water pumps are self-priming and employ three independent pumping chambers to pump water smoothly and quietly. Built-in check valves rated to 200 psi prevent backflow into the tank. They can even run dry without damage. Thermally Protected.

Not for use in marine applications. Fitting instructions HERE (in PDF)

These have a 1/2 inch BSP male threaded inlet and outlet.

See RELATED PARTS below for filter that is recommended to be placed on the inlet side of the pump.