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Installation
Connect system pipe to elbow on tank flange. Use plas-
tic or steel pipe as required. To prevent leaks, use PTFE
pipe thread sealant tape on male threads of all threaded
connections to tank.
NOTICE: To be sure that joint is not cross-threaded and
that threads are clean, always make connections by hand
(without sealer) first. After making sure that threads are
clean, remove pipe, add PTFE pipe thread sealant tape,
and remake connection. Tighten by hand first; finish with
pipe wrench for tight seal.
NOTICE: When replacing a standard tank in a submers-
ible pump system, raise pump and discharge pipe far
enough to remove bleeder orifices in discharge pipe and
plug tees. When replacing a standard 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 avail-
able 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 system and
water reservoir portion of the pre-charged tank. This is
required on new installations, pumps requiring repriming
and pumps that have been disassembled 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
SPS15
SPS15H
SPS30
SPS42S
SPS42T
SPS42H
SPS75T
SPS82T
SPS120T
SPS200
SPS220
* Tank length if Model Number has "H" suffix.
maximum Capacity
U.S. Gallons
6
6
14
19
19
19
32
35
50
62
85
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 pressure 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 supply wires).
2. Remove pressure switch cover.
3. Open a faucet near tank.
4. Bleed pressure down until pressure switch contacts
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 at pump cut-in setting (30
PSI for 30-50 switch, 20 PSI for 20-40 switch, etc.) If
not:
A. Adjust switch according to switch manufacturer's
instructions.
B. Reconnect power supply to pump and pump up
pressure in system.
C. Disconnect power supply to pump again and
re-check switch setting.
D. Repeat until pressure switch starts pump within ±1
PSI of proper setting.
Tank
Diameter
Height
12"
16-1/8"
12"
16-1/8"*
16"
22-1/4"
20"
22"
16"
27-1/2"
16"
24-5/8"*
16"
42-3/4"
20"
32-3/4"
24"
32-1/2"
24"
39-1/8"
24"
50-1/2"
Tank
Tank Discharge
Tapping
3/4"
3/4"
1-1/4"
1-1/4"
1-1/4"
4
1"
1"
1"
1"
1"
1"
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