12
Minimum Separation Distances for Flue Terminals
Location
(see diagram)
Description
Clearance
(mm)
A
Below an opening (See Note 1)
300
B
Above an opening
300
C
Horizontally to an opening
300
D
Below gutters, soil pipes or drain pipes
75
E
Below eaves
200
F
Below balcony or car port roof
200
G
From a vertical drain pipe or soil pipe
150
H
From an internal or external corner or to a boundary alongside the termi-
nal (See Note 2)
300
I
Above ground, roof or balcony level
300
J
From a surface or a boundary facing the terminal (See Note 2)
600
K
From a terminal facing the terminal
1200
L
From an opening in the car port into the building
1200
M
Vertically from a terminal on the same wall
1500
N
Horizontally from a terminal on the same wall
300
P
From a structure on the roof or another roof terminal
600
Q
From a vertical
fl
ue terminal to an adjacent wall
300
R
From a vertical
fl
ue terminal to an adjacent wall which includes an open-
ing window (See Note 3)
1000
Notes:
1. An opening here means an opening element, such as an openable window, or
a
fi
xed opening such as a air vent. However, in addition, the outlet should not
be nearer than 150mm to an opening into the building fabric formed for the
purpose of accommodating a built in element, such as a window frame.
2. Boundary as de
fi
ned in the Building Regulations (England & Wales) or the
Building Standards (Scotland) Regulations.
3. Where the wall adjacent to a vertical
fl
ue terminal includes an opening win-
dow, the clearance between the terminal and any part of the opening window
must not be less than 1000 mm.
P
R
Q
Q
J
H
L
F
G
I
A
B
C
D,E
H
H
N
M
K
Q
Boundary
Boundary
Figure 3
Internal corner
External corner
Double corner
Summary of Contents for SARGON 18S
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