(access difficult for repair, maintenance or assessment).Equipment exposed to abnormal environmental conditions: frost, bad weather, abnormally aggressive water or
outside drinking standards, unstable electric supply. Equipment not installed in compliance with the applicable standards in the country of installation: the absence or
incorrect fitting of safety devices, abnormal corrosion due to incorrect water fitments (iron/copper contact), incorrect earthing, inadequate cable thickness, and non-
observance of the connection drawings shown in these instructions. Equipment not maintained in accordance with these instructions. Repairs or replacement of parts
or components in the equipment not carried out or authorized by the company responsible for the guarantee. Changing a component does not extend the length of the