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New Deep Well Installation 7
4" OR LARGER WELL (Figure 10)
1. Install the control valve and pressure gauge in the
pump body. See Figure 7.
2. Assemble ejector kit FP4800 or 29660 (sold separate-
ly). See Figure 10. Follow the instructions included
with the kit in order to match the nozzle and venturi
to your well conditions.
To Household
Water System 1
Valve
Pressure
Gauge and
Priming Suction (Larger)
Plug from Well
11
1.
2.
3.
WELL (Figure 1 1)
Install the control valve and pressure gauge in tile
pump body. See Figure 7.
Mount the pump as close to the well as possible.
Assemble ejector kit FP4840 or 29670 (sold separate-
ly), well piping, and well head adapter according to
the instructions provided with the ejector package.
See Figure 11. Use galvanized drop pipe with turned
couplings to allow proper flow. Follow the instruc-
tions included with the kit in order to match the noz-
zle and ventun to your well conditions.
To Household
Water S_
Pressure Gauge
and Priming
Plug
Suction (Larger)
Pipe from Well
Well
Head
Venturi
Ejector
Net
to
Scale Foot Valve
Strainer
Figure I0: 4" and Larger Deep Well
3. Mount the pump as close to the well as possible.
4. Connect two pipes (1" drive, 1-1/4" suction) to the ejec-
tor and lower the ejector into the well until it is five feet
from the bottom. It should also be at least 10 feet
below the well's water level while the pump is running
in order to prevent the pump from sucking air.
5. Install a sanitary well seal and connect the ejector
piping to the pump. Use steel nipples through the
well seal with flexible poly pipe to avoid crushing
the plastic pipe when tightening the seal.
6. Support the pipe so that there are no dips or sagsin the
pipe, so it doesn't strain the pump body, and so that it
slopes slightly upward from the well to the pump (high
spots can cause air pockets which can air lock the
pump). Seal the suction pipe joints with teflon tape or a
teflon based pipe joint compound. Joints must be air-
and water-tight. If the suction pipe can suck air, the
pump cannot pull water from the well.
You have just completed the plumbing for your new
double pipe deep well jet pump. Please go to Page 8 for
discharge pipe and tank connections.
Not Venturi
to
Scale
Nozzle
Ejector
Figure I I: 2" (Single Pipe) Deep Well
4. Run two pipes (one smaller drive pipe, one larger
suction pipe) from the well to the pump. Support the
pipe so that there are no dips or sags in the pipe, so
it doesn't strain the pump body, and so that it slopes
slightly upward from the well to the pump (high spots
can cause air pockets which can air lock the pump).
Seal the suction pipe joints with teflon tape or a
teflon based pipe joint compound. Joints must be air-
and water-tight. If the suction pipe can suck air, the
pump cannot pull water from the well.
You have just completed the plumbing for your new
single pipe deep well jet pump. Please go to Page 8 for
discharge pipe and tank connections.
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