Buy Seaflo 42 Series Diaphragm Water Pressure Pump 12V and 24V at Pro Marine Store, with free delivery to mainland UK.

The Seaflo Series 42 Water pressure pump is a versatile four chamber, self priming pump and ideal for pressurised water systems such as on boats, caravans and motorhomes and any other pressurisation system. A powerful pump, with a heavy duty motor that can pump from 3 to 5 gallons / 11.3 to 18.9 litres per minute, the Series 42 is also capable of pumping lighter flows. 

It is compact in size and ideal for tighter spaces. It is controlled by a long life, adjustable on-demand, pressure switch is capable of being run dry and is protected by an inbuilt thermal overload device and an automatic restart facility. The pump is pre-assembled and easy to install and service, with threaded connections to suit any outlet, and has enough power to supply up to three fixtures. It is ultra quiet in operation with the added benefit of rubber feet to further reduce vibration and noise and operates with a constant and steady flow. 

Standard accessories include 2 x 51F001 x 2 and 1 x 51S01 connector. 

The Series 42 pressure pumps are available with flow rates of 3.0 - 5.0 gallons per minute / 11.3 - 18.9 litre per minute and 12 or 24V.

• 4-chamber diaphragm pump
• Internal bypass technology reduces cycling
• On-demand long life pressure switch
• Adjustable pressure switch
• Self-priming
• Capable of being run dry
• Rubber mounting base for vibration & noise reduction
• Industry standard mount pattern
• Quiet operation
• Thermal overload protected
• Marine grade blocked wiring
• 60°C (140°F) temperature limit
• Shut-off Pressure 55 PSI: 41 PSI ±5 PSI (±0.3 bar) 
• Valves: EPDM
• Diaphragm: Santoprene
• Inlet/Outlet Ports: 1/2"-14 MNPT
• Leads: 16AWG x 24cm
• Weight: 1.9kg (3.0 GPM), 2.7kg (4.0/5.0 GPM) 
• Meets or exceeds RoHS, SGS and ISO standards 
• 2 Year warranty