device is to be installed in a continuously down-
ward direction and in a frost-free environment.
Regarding the installation (including information
about how to fixed the appliance),user mainte-
nance and information about how the water heat-
er can be drained, thanks to refer the below relat-
ed chapters of this instruction manual.
The water pressure: normal use in the range of
0.02-0.7 Mpa.
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