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REGULAR CARE
TEMPERATURE PRESSURE RELIEF VALVE
This valve is near the top of the water heater and is essential for its safe
operation. It is possible for the valve to release a little water through the drain
line during each heating period. This occurs as the water is heated and
expands by approximately 1/50 of its volume.
Continuous leakage of water from the
valve and its drain line may indicate a
problem with the water heater (refer to
“Temperature Pressure Relief Valve
Running”
on page 18).
lift until water
flows from the
drain line –
lower gently
water
heater
drain
line
Warning: Never block the outlet of
this valve or its drain line for any
reason.
Operate the easing lever on the
temperature pressure relief valve once
every six months. It is very important
you raise and lower the lever gently.
DANGER: Failure to do this may
result in the water heater cylinder
failing, or under certain circumstances,
exploding.
If water does not flow freely from the
drain line when the lever is lifted, then
the water heater should be checked by
the Rheem Service Department or their
Accredited Service Agent.
The temperature pressure relief valve
should be checked for performance or
replaced at intervals not exceeding
5 years, or more frequently in areas
where there is a high incidence of
water deposits (refer to
“Water
Supplies”
on page 76).
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