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19 FLUE TERMINAL POSITION
The terminal should be positioned so that products of
combustion can safely disperse at all times.
Pluming may occur at the termination so, where possible,
terminal positions where this could cause a nuisance
should be avoided.
Minimum dimensions are shown below
300mm
min
Flat roof - with structure
A = 600mm
B = 2000mm
The flue terminal shall not penetrate the shaded area of the roof
Pitched roof - with velux window
or opening
Where two or more vertical fanned draught chimney configurations terminate in close
proximity at the same height, they shall be separated by at least 300mm. Where
any one vertical outlet is more than 300mm above the other, then they shall be
separated by at least 1500mm.
Where any vertical fanned draught chimney configuration outlet is within 2000mm
measured horizontally of an opening window, then it shall be at least 300mm
above the opening.
24
INSTALLATION
m
0 m
3 0
i n
m
625mm
Fixed
A
A
A
B
3 0 0 m m
m i n
690mm
Fixed
If chimney penetrates dotted area such that A is less
than 300mm, B shall not be less than 300mm.
Note.
The equivalent flue length
resistance of the elbow kits are:
90
elbow kit = 1m
o
45
elbow kit = 0.6m
o
Installation and Servicing
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