64
FUMES EVACUATION/AIR INTAKE
1
Concentric flue pipe, from the terrace (C32)
2
Fan-forced draught (B22), from a flue pipe
3
Double pipe from separate flues (C42)
4
Concentric, connected to concentric flues (C42)
5
Fan-forced draught (B22), from the roof
For positioning and for distances of draught terminals from windows, doors, etc. see
regulations in force.