•
The flue pipe cross-section must match that
of the boiler flue outlet.
•
Reducing the flue pipe size is only permitted,
if the satisfactory function has been
verified (by calculation) in accordance with
DIN 4705.
Keep the flue pipe as short as
possible and inclined towards
the chimney stack.
• Thoroughly seal in the flue pipe.
• Use flue pipe elbows with clean-out covers
to facilitate the cleaning of the flue pipe.
Flue pipe installation
Flue pipe outlet
Clean-out covers
in flue pipe elbows
Clean-out covers
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