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Installation
Connect system pipe to tank flange. Use plastic or
steel pipe as required. To prevent leaks, use Teflon
tape or Plasto-Joint Stik
threaded connections to tank.
NOTICE: To be sure that joint is not cross-threaded
and that threads are clean, always make connec-
tions by hand (without sealer) first. After making
sure that threads are clean, remove pipe, add Teflon
tape or Plasto-Joint Stik, and remake connection.
Tighten by hand first; finish with pipe wrench for
tight seal.
NOTICE: When replacing a standard tank in a sub-
mersible pump system, raise pump and discharge
pipe far enough to remove bleeder orifices in dis-
charge pipe and plug tees. When replacing a stan-
dard tank in a jet pump system, remove Air Volume
Control (AVC) and plug AVC port in pump.
In areas where the temperature is high for long
periods of time, the tank pre-charge pressure may
increase. This may reduce the tank drawdown
(amount of water available per cycle). If this occurs,
reduce the pre-charge pressure to two PSI below
the pump cut-in setting of the pressure switch.
It is necessary to flush all air out of the piping sys-
tem and water reservoir portion of the pre-charged
tank. This is required on new installations, pumps
requiring repriming and pumps that have been dis-
assembled for service. Do this as follows:
1. Open faucets furthest from tank and allow
pump to operate.
2. Air in the system will cause a sputtering flow;
allow faucets to run until you have a steady, air
free stream.
3. Open and close faucets repeatedly until you are
sure all air has been removed.
4. If stream does not become steady, air may be
leaking into the system; check for leaks in the
piping on the suction side of the pump.
SPECIFICATIONS
model
SSWM4, SWM4
SSWM6SQ, SWM6SQ
SSWM6, SWM6
SSWM9, SWM9
SSWM10SQ, SWM10SQ
SSWM14M, SWM14
SSWM20, SWM20
SSWM25, SWM25
SSWM35M, SWM35
on male threads of all
1
maximum
Capacity
U.S. Gallons
14
20
20
32
35
50
62
85
119
TO CHECK TANK AIR CHARGE
If drawdown (amount of water that comes out of
tank per pump cycle) decreases significantly, check
as follows:
1. To check air charge in tank, shut off electric
power to pump, open faucet near tank, and
drain completely.
2. At the air valve in top of tank, check air pres-
sure with a standard tire gauge. Air pressure
should be 2 PSI below pump pressure switch
cut-in setting.
3. If the air pressure is more than 2 PSI below the
cut-in setting, add air to the tank. Use an air
compressor or a portable air storage tank.
4. Use soap or liquid detergent to check for air
leaks around air valve. Continuous bubbling
indicates a leak. If necessary, install new core
in air valve. This is the same as those used for
automobile tubeless tires.
TO CHECK PUmP PRESSURE
SWITCH SETTING
1. To check pressure switch setting, disconnect
power to pump at supply panel (but be sure to
leave pressure switch connected to power sup-
ply wires).
2. Remove pressure switch cover.
3. Open a faucet near tank.
4. Bleed pressure down until pressure switch con-
tacts close; immediately close faucet.
5. Check pressure at valve with standard tire gauge
or with pump pressure gauge (if supplied).
6. Pressure gauge should read 2 PSI below pump
cut-in setting (28 PSI for 30-50 switch, 18 PSI
for 20-40 switch, etc.) If not:
A. Adjust switch according to switch manufac-
turer's instructions.
Tank
Diameter
Height
16"
22-1/4"
20"
16"
27-1/2"
16"
42-3/4"
20"
32-3/4"
24"
32-1/2"
24"
39-1/8"
24"
50-1/2"
24"
Tank
Tank
Discharge
Tapping
1"
22"
1"
1"
1"
1"
1-1/4"
1-1/4"
1-1/4"
68"
1-1/4"
4
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