11 Litre Shurflo 3.0 Freshwater Pressure Pumps

Shurflo’s 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 (Boxed retail version only).

• 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
• Santoprene Diaphragm with EPDM valves & seals
• Can run dry for periods without damage