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10. Do not tamper with the overpressure safety device (valve or
safety group), if supplied together with the appliance; trip it
from time to time to ensure that it is not jammed and to remove
any scale deposits.
11. It is normal that water drips from the overpressure safety de-
vice when the appliance is heating. For this reason, the drain
must be connected, always left open to the atmosphere, with a
drainage pipe installed in a continuous downward slope and in
a place free of ice.
12. Make sure you drain the appliance and disconnect it from the
power grid when it is out of service in an area subject to sub-
zero temperatures.
13. Water heated to over 50 °C can cause immediate serious burns
if delivered directly to the taps. Children, disabled persons and
the aged are particularly at risk. We recommend installing a
thermostatic mixer valve on the water delivery line, marked with
a red collar.
14. Do not leave flammable materials in contact with or in the vicin-
ity of the appliance.
15. Do not place anything under the water heater which may be
damaged by a leak.
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