Plumbing Connection Summer 2017

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INSTALLATION
TEMPERATURE ADJUSTMENT
For many electric hot water heaters,
the temperature can only be adjusted
by a licensed tradesperson via an
adjustable thermostat.
The thermostat (bottom thermostat
on twin element models) has a
maximum temperature setting of
75°C (80°C for 50 litre stainless steel
models) and a minimum temperature
setting of 60°C. The top thermostat on
a twin element model has a fixed setting
of 60°C and cannot be adjusted. Only
adjust the bottom thermostat setting
when the isolating switch is switched
off at the switchboard.
WATER HEATER LOCATION
Electric mains pressure storage water
heaters are suitable for either indoor
or outdoor installation (power cord
and plug models are suitable for indoor
installation only). Key considerations for
choosing the location for the heater are:
∫ Install as close as possible to the
most frequently used outlet (with
safety and service in mind)
∫ The water heater is accessible
without the use of a ladder or
scaffold.
∫ The temperature pressure relief
valve lever is accessible and the front
cover, thermostat and element can be
removed for service.
∫ You must be able to read the rating
plate.
∫ Remember you may have to take
the entire water heater out later for
servicing.
∫ The water heater must stand
vertically upright on a stable base
∫ The base is made of corrosion
resistant steel, so can be placed on
the surface. It is not necessary to
allow for free air circulation under the
base of the water heater.
∫ For internal installations, the unit
must be placed on a safe tray and
drainage available.
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