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Use the Pressure Booster System to boost city water pressure.
Plumbing connections are described in this manual.
GENERAL INFORMATION
• Pump only clean water with your Pressure Booster System.
To avoid clogging the pump and damaging the shaft seal,
do not pump water containing solids, foreign material,
sand, silt, or abrasives.
• If you are boosting the pressure from a well pump, be
sure that the system check valves are tight. If the system
pressure drops when the well pump is not running, the
Pressure Booster System may start and cycle. Excessive
or rapid cycling may damage the motor and will void the
warranty.
• Do not use pipe joint compound on pump ports; use only
teflon tape to seal the threads. Pipe joint compound will
damage the controller materials.
NOTE: The priming plug has an O-ring already installed
and does not require sealing.
• Tighten all the piping joints to the pump hand tight plus
1-1/2 turns (not more).
Overtightening may break the pump and will void the
warranty.
• Pipe and fittings to the pump should be at least nominal
1" diameter. Pipe or fittings less than 1" in diameter will
reduce performance and may damage the pump through
cavitation.
• Make sure that there are no air leaks or air pockets in the
suction pipe. An air leak in the suction pipe may draw air
in, although no water leaks out. Air leaks and air pockets
will prevent the pump from priming properly, and can sub-
stantially reduce its performance.
• The pump mount should be level, solid, as near as possible
to the water source, and protected against excess moisture
and flooding.
• Use the shortest possible run for piping and the smallest
possible number of fittings. Long pipe runs and numerous
fittings increase friction and reduce the flow of water.
• Support the weight of the piping and pump.
• Do not allow the pump, pressure controller, or any system
components to freeze. Freezing will damage the pump and
void the warranty.
• Periodically inspect the pump, pressure controller, and sys-
tem components.
NOTE: Local code may require a pressure relief valve or pres-
sure regulator.
Risk of leaks and flooding. Do not use this
pump with inlet pressure greater than 50 psi (345 kPa).
Pressure hazard and risk of explosion. This
pump can develop high pressure when operated with the dis-
charge shut off or obstructed. For safe operation, we recom-
mend the following:
If not already in the plumbing system, install a pressure relief
valve in the pump discharge line capable of passing the full
pump flow at 100 psi (689 kPa) (See Figure 2). If local code
requires installation of a pressure relief valve capable of han-
dling the full pump flow at a pressure less than 100 psi (689
kPa), follow the code requirements. Run the relief valve dis-
charge to a floor drain or other drain that will give adequate
runoff.
Figure 1: Do Not Run the Pump With Inlet Shut Off.
Grounded, GFCI
protected 115V outlet
To Household
(Pump Discharge)
Unions
Water Supply In
(Pump Suction)
Figure 2:Typical household booster installation.
Purchase plumbing fittings separately. Consult code for
relief valve/pressure regulator requirements.
INSTALLATION
Risk of flooding. Be sure that all plumbing
and fittings are rated to withstand the system pressure which
you expect the pump to generate.
1. Decide what's the best place to install the pump. Think
about these things:
• it must be near the main water supply line
• the pump must be accessible
• the power cord must reach a power outlet
• the controller's LED lights must be visible
• ease of plumbing
• space saving
3
Check Valve
4253 0902
WA-253P7570
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