Shurflos series 4138 Aquaking 2 automatic freshwater pressure pumps are 4 chamber 3 gallon per minute (11.3 LPM) pumps with pressure up to 55 PSI for multi-fixture applications of up to 3 outlets - shower, galley Etc. The quad design gives very low noise and the built-in adjustable by-pass valve gives top performance and smooth flow without rapid pump cycling and without the need for an accumulator. These pumps have 1/2 male thread NPT ports and include 2 x 1/2 (12mm) straight hose barb fittings.
Smooth flow 4 chamber co-moulded diaphragm
3 GPM (11.3 LPM) flow with 55 PSI shut-off pressure
Very quiet operation and no rapid cycling
Corrosion resistant seamless electro-coated motor casing
Self priming to 1.8 metres (6 ft) vertical lift
Sealed pressure switch unit and motor casing
Ignition protection and thermal overload protection
