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Running a concentric flue and air duct through the side wall of the building -
type C11:
The discharge of the flue and air duct through the building wall should begin with the
use of a 1 meter long vertical section. The maximum length of the straight section of
the air-
fuel pipe run horizontally is 3 meters. It is allowed to use only one 90 ° elbow
(Fig. 8). All variant possible for this type of venting system are described above.
Fig. 8. The way of pulling out a concentric chimney system through the wall