FACTS TO CONSIDER ABOUT THE LOCATION
1. The location
be indoors in an area not subject to
The items which
in the cold water
from the water heater, are (1) the EXPANSION
(2) a PRESSURE
GAUGE and (3)a PRESSURE
The expansion tank is designed to be supported by the system piping
in the vertical position. If, however, the expansion tank must be installed
as shown in Figure 2, it must be supported
strapping (not supplied).
The expansion tank, pipes, and your connections may, in time, leak. Put
tank in a place where a water leak will not damage
be located in an area where
water leakage from the tank or connections
will not result in damage
to the area around the expansion
tank or to the lower floors of the
INSTALLATION - HORIZONTAL MOUNTING
tank is designed
on the inlet cold
to a maximum
Figures 1 and 2 above show the correct valves and fittings that you will
need to install your expansion
tank. A threaded (3/4")water
is supplied on the tank bottom.
OF THE PRESSURE REDUCING VALVE AND PRESSURE
1. The water supply and power (electricity
or gas) must be shut off
during the installation of the valves and expansion tank.
instructions found on the water heater and in the owner's manual.
2. Install expansion tank, pressure gauge, and pressure reducing valve,
as shown above in Figures
1 and 2.
3. After installing
tank, pressure gauge, and pressure
valve, it will be necessary
to expel all air from the piping.
Turn the cold water inlet shut-off valve "ON." To purge the air, open a
faucet and wait until a steady stream of water is coming from the
faucet. At this time, close the faucet.
ADJUSTING WATER PRESSURE
inlet water pressure
is 60 psi or less.
2. Refer to the pressure
Using the adjusting
on the valve.
Open a nearby faucet allowing
water to run briefly and then close
the faucet. Check pressure gauge again and make additional screw
It may be necessary
times before the pressure
can be adjusted
60 psi or less.
CHECKING EXPANSION TANK AiR CHARGE
1. Shut off main cold water supply valve.
2. Open a nearby
water to run until it stops.
indicates the pressure has been relieved.
Using a tire gauge, check the expansion
tank's pre-charge pressure
(38 psi). The expansion
tank air charge
If the air charge pressure
needs to be adjusted
upward, use only a manual type tire pump to
increase the pressure.
If the air charge needs to be reduced, depress
the valve core to release pressure.
4. Open the cold water supply valve.
5. Now the water
can be put back into operation.
found on the water heater and in the manual.