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Shurﬂo’s series 4158 Aquaking 2 SUPREME automatic freshwater pressure pumps are 4 chamber 5 gallon per minute (19 LPM) pumps that deliver ultra smooth “just like home” performance for multi-ﬁxture applications (up to 4) - shower, galley, head Etc.
A built-in mechanical bypass function enables these pumps to vary the ﬂ ow rate for any on-demand condition, including low ﬂ ow, 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 ﬁ ttings.
- Smooth ﬂow 4 chamber diaphragm with quiet operation
- 5 GPM (19 LPM) ﬂow with 55 PSI shut-off pressure
- Can operate at low ﬂow 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
12 Volt - 13 amp
24 Volt - 7 amp
Use ONLY Shurflo genuine swivel hose fittings. Don't use thread tape.
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