Intergas Heating Ltd
23
8.5
Flue system
8.5.1
Flue pipe and air supply
The boiler utilises a special concentric flue adapter which can only be used with the
elbow that is part of the horizontal or vertical flue pipes. For the appropriate types
see chapter 6 Accessories.
Note
Only use approved Intergas
flue products with this boiler, which can be sourced
from the supplier of your boiler or Intergas stockist
8.5.2
Flue pipe position
Terminal Position
Min.
distance
A
Directly below an open able window or other opening
e.g. air brick
300 mm
B
Below gutters, soil pipes or drain pipes
75 mm
C
Below eaves
200 mm
D
Below balconies or car front roofs
200 mm
E
From vertical drain pipes and soil pip
150 mm
F
From internal or external corners
300 mm
G
Above ground, roof or balcony level
300 mm
H
From a surface facing a terminal
600 mm
I
From a terminal discharging towards another terminal
1200 mm
J
From an opening in a car port (e.g. door, window) into a
dwelling
1200 mm
K
Vertically from a terminal on the same wall
1500 mm
L
Horizontally from a terminal on the same wall
300 mm
M
Above an opening, air brick, opening windows, etc.
300 mm
N
Horizontally to an opening, air brick, opening windows,
etc.
300 mm
P
Above roof level (to base of terminal)
300 mm
Q
From adjacent wall to flue
300 mm
R
From an adjacent opening window
1000 mm
S
From another roof terminal
600 mm
-
From an external boundary. Note
:
if the terminal is
facing a boundary it is recommended that an anti-plume
kit be fitted
600 mm
Terminals adjacent to windows or openings on pitched
and flat roofs:
T
The flue should not penetrate this area
T1
2000 mm
T2
600 mm
Note
Intergas cannot be held responsible for atmosferic conditions when siting flue
terminals.
CAUTION
Once the flue has been installed and the appliance
commissioned, installer should observe the plume
direction. Particular attention should be drawn to
plume vapour re-entering the boiler via the air intake.
If this occurs, it is highly possible the flue is fitted
within a negative pressure area and therefore a
plume management kit (PMK) must be fitted.