Viessmann VITOLADENS 300-W Installation And Service Instructions Manual page 3

Safety instructions
Auxiliary components, spare and
wearing parts
!
Please note
Spare and wearing parts that
have not been tested together
with the system can compromise
its function. Installing non-author-
ised components and making
non-approved modifications or
conversions can compromise
safety and may invalidate our
warranty.
For replacements, use only orig-
inal spare parts supplied or
approved by Viessmann.
(cont.)
Safety instructions
3