6
Thermann Owner’s Guide
Electric and Gas Storage Water Heaters
CONSIDERING A SERVICE CALL?
It is recommended that the following
points be reviewed before making a
service call:
No Hot Water:
• If you have a gas storage water
heater, confirm the gas burner and/
or pilot is on and operating. If not,
see Lighting Gas Water Heaters on
page 4.
• If you have an electric storage water
heater, ensure that the power supply
circuit breaker has not “tripped”.
If your water heater is on a timed
tariff such as off-peak, ensure this is
operating correctly.
High Gas or Electricity Bills or
Insufficient Hot Water:
• Often the hot water usage of
showers, washing machines
and dishwashers can be under
estimated. Review these appliances
to determine if your daily usage is
greater than the capability of your
water heater.
• If necessary check the shower flow
rates with a bucket, measuring the
amount of water used over that
period of time. If it is not possible
to adjust water usage patterns, an
inexpensive flow control valve can
easily be fitted to the shower outlet.
• Do you have the correct size water
heater for your requirements? Sizing
details are available from your local
Reece branch.
• Is there a leaking hot water pipe or
dripping hot water tap? A small leak
can waste a large quantity of hot
water. Replace faulty tap washers
and have your plumber rectify any
leaking pipe work.
• Is the Pressure & Temperature Relief
Valve discharging too much water?
See below.
Continuous Trickle of Water from
Pressure & Temperature Relief (PTR)
Valve:
This is most likely due to a build up of
foreign matter. In this case, try gently
raising the easing lever on the PTR Valve
for a few seconds, then release gently.
This may dislodge a small particle of
foreign matter and rectify the fault.
Water Discharge from PTR Valve:
It is not unusual for a small quantity of
water to discharge during the heating of
water in your storage tank. The amount
of discharge will depend on hot water
usage and size of the storage tank.
As a guide, it will discharge about 2%
of the volume of the water heated.
Continuous leakage of water from the
PTR Valve may indicate a problem
with the water heater. Turn off or shut
down the water heater and contact
Customer Service.
If after checking the above points,
the problem has not been identified,
please contact Customer Service
on 1300 412 612 (Australia) or
0800 729 389 (New Zealand).
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