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IF REPLACING A TANK
With all power turned off to the pump system, drain the old
tank, close all water flow to the tank and disconnect it from
the system. Check all fittings, valves, switches and gauges for
proper working condition and replace as appropriate.
CONNECTING TANK TO SYSTEM
D i s c o n n e c t o r s h u t o f f a l l e l e c t r i c
p o w e r t o t h e w a t e r s u p p l y / p u m p
s y s t e m . S h u t o f f t h e w a t e r s u p p l y
to the system and remove all water pressure from the
system. Failure to follow these instructions may result
in serious injury, death and/or property damage and will
void product warranty.
A s u i t a b l e p r e s s u r e r e l i e f v a l v e ,
set at a maximum of 100 psi, must
be installed in the system near the
pressure tank (see Fig.1.1)
T he pre ssure tank should be installed in the incoming
water supply line from the pump system and before any
point of user (POU) fixtures. (see Fig. 1.1)
EASY AS 1-2-3 INSTALLATION
1
Remove and discard the protective cap from the pressure
tank's stainless steel water connection. Connect the
tank cross / tee fitting (3- or 5- way connector for inline
or horizontal pressure tanks) into the pressure tank with
adequate pipe sealant (Teflon™ Tape or pipe dope) on the
male threads. Be cautious to not over-tighten, cross, or
strip threads when connecting fittings.
2
Once the fitting is securely tightened, be sure that the
threaded holes for your pressure switch and pressure
gauge on the tank connection fitting are in the upward
position. (See vertical tank examples Figures 1.1, 1.2, and
1.3, horizontal tank example Figure 1.4 and inline tank
example Figure 1.5).
3
With adequate pipe sealant, connect all of the fittings,
valves, pressure switch, pressure gauge and water system
pipe / connection unions to the connection fitting.
All piping and electrical components should
be in accordance with prevailing local codes
and standards.
STARTING THE SYSTEM
Before turning on the water supply to the system, open a
water faucet to allow air from the system piping to be purged.
Turn on the power to the water supply and the pump should
turn on, filling the system piping. When the water is flowing
freely from the faucet without air, close the faucet. The pump
will continue to run filling the pressure tank.
I n s p e c t t h e i n s t a l l a t i o n f o r w a t e r l e a k s
paying close at tention to the connection
3
between the pressure tank and the system piping.
GWS USA, Bradenton, FL, USA • support@gwsusa.com • (833) 261-5461 • www.gwsusa.com • 2020 Rev. 02.25
PRESSURE TANK INSTALLATION
TYPICAL INSTALLATIONS
Tank
Water Flow
Drain
Valve
From
Pump
Fig. 1.2 With Submersible Pump
Submersible Pump
Tank
Water Flow
Pump
Drain
Valve
Fig. 1.3 With Convertible Jet Pump
If you have a jet pump, to prevent damage to the well
system, close or plug the opening during tank
installation where the installation where the vacuum and
air volume controls connect to the pump and/or piping.
To Water Usage /
System
Pressure
Switch
Drain Valve
Fig. 1.4 Booster Pump w/ Horizontal Tank
Pressure
Switch
Fig. 1.5 Booster Pump w/ Inline Tank
Pressure Switch
Pressure Gauge
Shut Off / Check Valve
To System
Pressure
Relief
Valve
Pressure Switch
Pressure Gauge
Shut Off / Check Valve
Pressure
Drain
Relief
Valve
Pressure Relief Valve
Pump
From
Water Source
Tank
Tank
Pressure Gauge
Pump
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