Baxi Maxflow Combi WM Installation And Servicing Instructions page 15

Q
D
J
Likely flue positions requiring
Fig. 16
a flue terminal guard
S
L
K
G
M
A
E
G
7.0 Site Requirements
7.8
1. The following guidelines indicate the general
requirements for siting balanced flue terminals.
Recommendations for flues are given in BS 5440
Pt.1.
2. If the terminal discharges onto a pathway or
passageway, check that combustion products will
not cause a nuisance and that the terminal will
not obstruct the passageway.
3. If a terminal is less than 2 metres above a
balcony, above ground or above a flat roof to
which people have access, then a suitable
terminal guard must be provided.
B,C
R
N
G
P
D H,I
A
F
F
Terminal Position with Minimum Distance (Fig. 16)
A Directly below an openable window, air vent or any other
ventilation opening.
B Below gutter, drain/soil pipe.
C Below eaves.
D Below a balcony/car port roof.
E From vertical drain pipes and soil pipes.
F From internal or external corners.
G Above adjacent ground or balcony level.
H From a surface facing a terminal.
I Facing a terminal.
J From opening (door/window) in carport into dwelling.
K Vertically from a terminal on the same wall.
L Horizontally from a terminal on the same wall.
M Above an opening, air brick, opening window etc.
N Horizontally to an opening, air brick, opening window etc.
Vertical Flues - minimum distance to edge of terminal
P Above the roof level (to base of terminal).
Q From adjacent wall to flue.
R From adjacent opening window.
S From another terminal.
Flue
(mm)
300
150
200
200
150
300
300
600
1200
1200
1500
300
300
300
mm
300
300
1000
600
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