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Surface Water Installation (Figure 3)
Possible contamination. Do not use
!
surface water for drinking. The installation
shown could be used for sprinkler applications.
1. The pump should be installed as close to the water
as possible, with the fewest possible fittings (especially
elbows) in the suction pipe. The suction pipe should
be at least as large as the suction port on the pump.
2. Assemble a foot valve and strainer to the suction pipe.
Make sure that the foot valve works freely. Use PTFE
pipe thread sealant tape or a PTFE-based pipe joint
compound on threaded pipe joints.
3. Install a screen to protect the water system from letting
debris enter the system.
4. Lower the pipe into the water until the strainer is five
feet above the bottom. It should also be at least 10"
below the water level in order to prevent the pump
from sucking air. Strainer and pipe should be supported.
5. Install a priming tee, priming plug, and pressure gauge
to pump's discharge port. Connect the pipe from the
well to the pump's suction port, using the fewest
possible fittings. Fittings increase friction in the pipe.
The suction pipe should be at least as large as the
suction port on the pump. Support the pipe so that there
are no dips or sags in the pipe, so not to strain the pump
body, and so that it slopes slightly upward from the
water to the pump (Note: Not doing so can create air
locks preventing the pump from working properly). Seal
the suction pipe joints with PTFE pipe thread sealant
tape or a PTFE based pipe joint compound. Joints must
be air and water tight. If the suction pipe can suck air,
the pump can not pull water from well.
6. Joints must be air and water-tight. If the suction pipe
can suck air, the pump cannot pull water from the
water source.
7. See instructions on page 8 for connecting discharge
pipe to tank.
SHALLOW WELL FOR 4" DIAMETER WELL APPLICATION- PUMP PERFORMANCE*
MOTOR
VOLTAGE
MODEL
HP
EFSWJ5
1/2
115/230
EFSWJ7
3/4
115/230
EFSWJ10
1
115/230
* Performance shown in GPM (gallons per minute) at 40 PSI (pounds per square inch) discharge pressure.
For parts or assistance, call ECO-FLO Customer Service at 1-877 326-3561
All manuals and user guides at all-guides.com
SHALLOW WELL PUMP INSTALLATIONS
GALLONS PER MINUTE PUMPED
PRESSURE
AT DIFFERENT WATER DEPTHS*
SWITCH
SETTINGS
5'
10'
15'
30-50
10
9
8
6.5
30-50
12
11
10
30-50
16.4 16.1 14.1 12.0
To End
Use
To Power Box
Water Surface
PRESSURE SHUT-
OFF AT
MAX. DEPTH
20'
25'
5
77 PSI
8
6
78 PSI
8.1
67 PSI
5
(Figure 3)
Priming Tee with
Priming Port, Plug
and Pressure
Gauge
Suction Pipe
Foot Valve
Screen
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