During the useful life of the products, performance is aected by external factors, e.g. the hardness of the DHW, atmospheric
agents, deposits in the system and so on.
e declared data refer to new products that are correctly installed and used in observance of the Standards in force.
N.B.: correct periodic maintenance is highly recommended.
NOTE: Depending on the specic design and installation conditions, the diagrams and drawings provided in this docu-
mentation can require further integration or modications, according to what is set forth by the Standards and technical
regulations in force and applicable (as an example, the R stamp - edition 2009 is mentioned). It is the professional's respon-
sibility to identify the applicable provisions, to evaluate compliance with these in each case and the necessity of any changes
to diagrams and drawings.