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Installation & Service Manual
7 Domestic water heaters
ƽ CAUTION
Setting the temperature selector to high er
settings provides hotter water, which
in creas es the risk of scald injury.
The manufacturer recommends the use of a prop er ly sized
thermostatic mixing valve to supply do mes tic hot water at
temperatures less than 140°F. Storing the water at a higher
temperature and ther mo stat i cal ly mixing the water will
increase the avail able quantity of mixed hot water, greatly
reduce the possibility of con den sate formation on the heat
exchanger and help pre vent the growth of water born bacteria.
Adequate care MUST be taken to prevent potential scald
injury when storing water at 140°F and hotter.
• Water temperature over 125°F (52°C)
can cause severe burns instantly or
death from scalds.
• Children, disabled and elderly are
at highest risk of being scalded.
• See instruction manual before
setting temperature at heating
appliance.
• Feel water before bathing or showering.
• If this appliance is used to produce
water that could scald if too hot,
such as domestic hot water use,
adjust the outlet control (limit) or use
temperature limiting valves to obtain
a maximum water temperature of
125°F (52°C).
Figure 7-5_Danger Warning
Should overheating occur or the gas
supply fail to shut off, DO NOT turn off
or disconnect the electrical supply to the
pump. Instead, shut off the gas supply at
a location external to the appliance.
ƽ WARNING