Rheem Gas Domestic Indoor Water Heater Installation And Owner's Manual page 18

SAVE A SERVICE CALL
TEMPERATURE PRESSURE RELIEF VALVE RUNNING
Normal Operation
It is normal and desirable this valve
allows a small quantity of water to
escape during
However, if it discharges more than a
bucket full of water in 24 hours, there
may be another problem.
Continuous dribble
Try gently raising the easing lever on
the relief valve for a few seconds (refer
to "Temperature Pressure Relief Valve"
on page 12). This may dislodge a small
particle of foreign matter and clear the
fault. Release the lever gently.
Steady flows for long period (often at
night)
This may indicate the mains water
pressure sometimes rises above the
designed pressure of the water heater.
Ask your installing plumber to fit a
pressure limiting valve.
Warning: Never replace the relief valve with one of a higher pressure
rating.
Heavy flows of hot water until the water heater is cold - then stops
until water reheats
The gas control must be turned off using the knob on top of the gas control
thermostat (refer to
Service or their nearest Accredited Service Agent to arrange for inspection.
EXPANSION CONTROL VALVE RUNNING
If an expansion control valve is fitted in the cold water line to the water heater
(refer to page 29)
temperature pressure relief valve on the water heater. The benefit is that
energy is conserved as the discharged water is cooler.
the heating
"Close Down Procedure"
it may discharge a small quantity of water instead of the
cycle.
on page 36). Phone Rheem
18