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13
EXPANSION CONTROL VALVE RUNNING
If an expansion control valve is fitted in the cold water line to the water heater
(refer to page 22) it may discharge a small quantity of water instead of the
temperature pressure relief valve on the water heater. The benefit is that
energy is conserved as the discharged water is cooler.
CAN’T LIGHT THE PILOT FLAME
• Is there gas to the water heater?
Check the gas isolation valve on the gas
supply line is open.
• Is there a normal gas supply to the rest
of the premises?
Try lighting another gas appliance to check.
If there is no gas, call the gas supplier.
WATER HEATER APPEARS TO BE LEAKING
When the water heater is first lit, or after a large usage of hot water,
condensation may form on the burner of the water heater. This is quite normal,
especially in winter months and will dry off as the water is heated.
HIGH GAS BILLS
Should you at any time, feel your gas account is too high, we suggest you
check the following points:
• Is the relief valve running excessively?
(Refer to “Temperature Pressure Relief
Valve Running” on page 12).
• Is one outlet (especially the shower) using
more hot water than you think? (Refer to
“Not Enough Hot Water” on page 11).
• Is there a leaking hot water pipe, dripping
hot water tap, etc? Even a small leak will
waste a surprising quantity of hot water and
gas. Replace faulty tap washers, and have
your plumber rectify any leaking pipe work.
• Consider recent changes to your hot water usage pattern and check if there
has been any increase in tariffs since your previous account.
IF YOU HAVE CHECKED ALL THE FOREGOING AND STILL BELIEVE YOU
NEED ASSISTANCE, CALL YOUR NEAREST RHEEM SERVICE
DEPARTMENT OR ACCREDITED SERVICE AGENT.