Thermann Owner’s Guide
Electric and Gas Storage Water Heaters
The water heater must not be operated
unless this device is fitted and in
working order.
PRE-WIRED ELECTRIC STORAGE
WATER HEATERS:
Electric storage water heaters with
the letter “P” at the end of their model
number are factory fitted with a power
supply cord. These water heaters may
be plugged into a standard general
purpose power outlet.
If the power supply cord is damaged, it
must be replaced by the manufacturer,
a service agent or a similarly qualified
person in order to avoid a hazard.
GAS STORAGE WATER HEATERS:
In addition to the PTR Valve, gas
storage water heaters are fitted with
a gas control valve. As well as acting
as a thermostat, the gas control valve
is fitted with over temperature energy
cut-outs.
The gas control valve must not be
tampered with or bypassed.
Replacement of the gas control valve
must only be carried out by a licensed
tradesperson or the manufacturer.
Your water heater must not be
operated unless the gas control valve is
fitted and in working order.
WATER HEATER APPEARS TO BE
LEAKING:
If your water heater is heating a large
quantity of cold water, condensation
may form inside the water heater and
drip down onto the burner.
This is NOT an indication the water
heater is leaking, but is the result of an
efficient gas combustion process.
LIGHTING A GAS WATER HEATER:
Follow the Lighting Procedure steps on
page 3 for lighing the gas water heater.
Important Safety Note:
Do not look directly into the
burner area. Keep your head above the
top of the access cover opening. Use a
mirror to observe the flame
COLD WATER CONNECTION:
The water heater is intended to be
permanently connected to the water
supply main, and not connected by a
hose-set.
Electric water heaters are designed
for direct connection to water supply
pressures of up to 800 kPa.
Gas storage water heaters are designed
for direct connection to water supply
pressures of up to 1,120 kPa.
Where the mains pressure can exceed
or fluctuate beyond this pressure, a
pressure reducing valve must be fitted
in the cold water inlet supply.
Instructions explaining how the water
heater can be drained can be found on
page 4.
IMPORTANT SAFETY INFORMATION
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