Checking And Replacing The Magnesium Anode (If Required) - Viessmann FB2B Installation And Service Instructions Manual

Further details regarding the individual steps
7. Remove loose deposits with a high
pressure cleaner.
!
Please note
When cleaning the inside,
only use plastic cleaning uten-
sils.
8. Use a chemical cleaning agent to
remove hard deposits that cannot be
removed by a high pressure
cleaner.
!
Please note
Never use hydrochloric acid
based cleaning agents.

Checking and replacing the magnesium anode (if required)

Check the magnesium anode. If the anode is found to have degraded to 10 to
15 mm Ø, we recommend replacing the magnesium anode.
Commissioning, inspection, maintenance
(cont.)
9. Thoroughly flush the primary store
after cleaning.
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