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Service Call 0844 736 9138, Technical Help (Chargeable) Call 0906 802 0253
Position Position of the fl ue terminal
mm
Horizontal fl ues
A
directly below an opening, air brick,
opening windows
300
B
above an opening, air brick, opening windows
300
C
horizontally to an opening, air brick, opening
windows
300
D
below gutter, drain/soil pipe
25
E
below eaves
25
(1)
F
below a balcony or car port
25
G
from vertical drain pipes and soil pipes
25
H
from internal/external corners
25
H
(2)
to a boundary alongside the terminal
300
I
above adjacent ground or balcony level
300
Position Position of the fl ue terminal
mm
J
(2)
from surface or a boundary facing the terminal
600
L
from opening (door/window) in car port
into dwelling
1200
M
vertical from a terminal
1500
N
horizontally from a terminal
300
Vertical fl ues
P
from another terminal
600
Q
above roof level
300
R
from adjacent opening window
1000
S
from adjacent wall to fl ue
300
(1) There should be no ventilation/opening in the eaves within
300mm distance of the terminal.
(2) These dimensions comply with the building regulations,
but they may need to be increased to avoid wall staining and
nuisance from pluming depending on site conditions.
