• The hole width for fumes exhaust must be the double of the chimney ue width and tted in a way that the
fume exhaust is assured also in case of wind.
• It should prevent the inltration of rain, snow and animals.
• The outlet height in the atmosphere must be away from the reux area caused by the roof structure or by
obstacles laying nearby (see Fig. 2 page 7).
9.7 CHIMNEY COMPONENTS
Fig. 5 - Chimney components
LEGEND Fig. 5 page 9
1 Chimney pot
2 Fume outlet
3 Chimney ue
4 Termal insulation
5 External wall
6 Chimney union
7 Fume pipe
8 Heat generator
9 Inspection door
10 T-union with inspection plug