46
7.8.7 Twin flue terminal positions
Terminal positions
G
N
M
A
H
C
B
L
J
K
D,E
F
I
I
H
Terminal Position
Flue Min.
Distance
Air Min.
Distance
A
Directly below to an openable window or other opening
e.g. air brick
300mm 50mm
B
Directly above an opening
300mm 50mm
C
Horizontally to an opening 300mm 50mm
D
Below gutters, soil pipes or drain pipes
75mm 75mm
E
Below eaves
200mm 50mm
F
Below balcony or car port roof, Terminal guards must be
fitted if less than 2 metres from the ground
200mm 50mm
G
Above ground or balcony or roof, Terminal guards must
be fitted if less than 2 metres from the ground.
150mm 25mm
H
From internal or extrnal corners or to boundary
300mm 50mm
I
Above ground or balcony or roof, Terminal guards must
be fitted if less than 2 metres from the ground.
300mm 50mm
J
From a surface or boundary facing a terminal 600mm 100mm
K
From a terminal discharging towards another terminal
1200mm 100mm
L
From an opening in a car port (e.g. door, window) into a
dwelling
1200mm 100mm
M
Vertically from a terminal on the same wall
1500mm 1500mm
N
Horizontally from a terminal on the same wall
300mm 300mm