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7
!
WARNING: 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.
CAUTION: To reduce the risk of excessive pressures and temperatures in this water heater,
install temperature and pressure protective equipment required by local codes and no less than
a combination temperature and pressure relief valve certified by a nationally recognized testing
laboratory that maintains periodic inspection of production of listed equipment or materials, as meeting
the requirements for Relief Valves and Hot Water Supply Systems, ANSI Z21.22. This valve must be
marked with a maximum set pressure not to exceed the marked maximum working pressure of the
water heater. Install the valve into an opening provided and marked for this purpose in the water
heater, and orient it or provide tubing so that any discharge from the valve exits only within 6 inches
above, or at any distance below, the structural floor, and does not contact any live electrical part. The
discharge opening must not be blocked or reduced in size under any circumstances.″
Relief Valve
The pressure rating of the relief valve
must not exceed 150 psi (1,034 kPa), the
maximum working pressure of the water
heater as marked on the rating plate. The
BTUH rating of the relief valve must not
be less than the input rating of the water
heater as indicated on the rating label
located on the front of the heater
(1 watt = 3.412 BTUH).
Connect the outlet of the relief valve to a
suitable open drain so that the discharge
water cannot contact live electrical parts
or persons and to eliminate potential water
damage.
Piping used should be of a type approved
for hot water distribution. 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.
To Fill the Water Heater
Make certain the drain valve on the water
heater is completely closed.
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 temperature.
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.
!
!
WARNING: DO NOT
turn on the electrical
supply or operate this
water heater unless it is
completely full of water.
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.
Installing the water heater.
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