Description
Shurflo 4.0 Freshwater Pressure Pumps
Shurflo's NEW series 4148 Aquaking 2 automatic freshwater pressure pumps are 4 chamber 4 gallon per minute (15 LPM) pumps that deliver ultra smooth just like home performance for multi-fixture applications (up to 4) - shower, galley Etc.
A built-in mechanical bypass function enables these pumps to vary the flow rate for any on-demand condition, including low flow, without cycling and without the need for an accumulator.
They have heavy duty motors with O ring sealed end bells and sealed wire entries on the motor shell and pressure switch. These pumps have 1/2" male thread NPT ports and include an inlet strainer and 2 x 1/2" (12mm) straight hose barb fittings.
- Smooth flow 4 chamber diaphragm with quiet operation
- 4 GPM (15 LPM) flow with 55 PSI shut-off pressure
- Can operate at low fl ow conditions without cycling
- 3 year limited warranty
- Self priming to 1.8 metres (6 ft) vertical lift
- Corrosion resistant seamless electro-coated motor casing
- 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
Spare parts available too. Use ONLY Shurflo genuine swivel hose fittings. Don't use thread tape.
Part Number | Voltage/ Amps | Litres Per Minute | Self-Priming Distance | Included Fittings | PSI Shut-off Pressure |
RWB5900 | 12v 10amp | 15LPM (4GPM) | To 1. 8m (6ft) | 1/2" Male Thread NPT Ports, 2 x 1/2"(12mm) Straight Hose Barb Fittings and an Inlet Strainer | 55PSI |
RWB5901 | 24v 5amp | 15LPM (4GPM) | To 1. 8m (6ft) | 1/2" Male Thread NPT Ports, 2 x 1/2"(12mm) Straight Hose Barb Fittings and an Inlet Strainer | 55PSI |