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Relief Valve; To Fill The Water Heater - GE AP13204-4 Use And Care Manual

Residential 30, 40 and 50 gallon with smartwater ignition system
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Installing the water heater.
A new combination temperature and pressure relief valve, complying with the Standard for Relief Valves and
Automatic Gas Shut-Off Devices for Hot Water Supply Systems, ANSI Z21.22, is supplied and must remain in
the opening provided and marked for the purpose on the water heater. No valve of any type should be installed
between the relief valve and the tank. Local codes shall govern the installation of relief valves.
!
WARNING:
The tank
must be full of water before
heater is turned on. The
water heater warranty does
not cover damage or failure
resulting from operation
with an empty or partially
empty tank. (Refer to the
Certificate of Limited
Warranty for complete
terms and conditions.)
10

Relief Valve

The pressure rating of the relief valve must
not exceed 150 PSI, the maximum working
pressure of the water heater as marked
on the rating plate.
The Btuh rating of the relief valve must
equal or exceed the Btuh input of the water
heater as marked on its rating plate.
Position the outlet of the relief valve
above a suitable open drain to eliminate
potential water damage. Piping used
should be of a type approved for hot water
distribution.

To Fill the Water Heater

Make certain that drain valve is closed,
then open the shut-off valve in the cold
water supply line.
Open each hot water faucet slowly to allow
the air to vent from the water heater and
piping.
A steady flow of water from the hot water
faucet(s) indicates a full water heater.
Condensation
Condensation can form on the tank
when it is first filled with water.
Condensation might also occur with
a heavy water draw and very cold inlet
water temperatures.
Drops of water falling on the burner can
produce a sizzling or pinging sound.
This condition is not unusual, and will
disappear after the water becomes
heated. If, however, the condensation
continues, examine the piping and fittings
for possible leaks.
The discharge line must be no smaller than
the outlet of the valve and must pitch
downward from the valve to allow complete
drainage (by gravity) of the relief valve and
discharge line.
The end of the discharge line should not be
threaded or concealed and should be
protected from freezing. No valve of any
type, restriction or reducer coupling
should be installed in the discharge line.
Additional information on this subject
may be found at
www.rheem.com
under "Library," scroll down to the
Technical Service Bulletins 1400 Series
Section and choose Bulletin #1402.

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