Supplied By www.heating spares.co Tel. 0161 620 6677
5.0 Site Requirements
12
5.3
Flue Position
(Cont)
WARNING -
The addition of anything that may
interfere with the normal operation of the
appliance (e.g. FLUE DAMPERS,
ECONOMISERS,etc.) without the express
written permission of Baxi UK Limited could
invalidate the appliance warranty and infringe
the GAS SAFETY (Installation and Use)
REGULATIONS.
If a terminal is less than 2 metres (78
3
/
4
in)
above a balcony, above ground or above a flat
roof to which people have access then a
suitable terminal guard must be provided.
6.
The flue terminal position must always be
in accordance with the current edition of B.S.
5440 Part 1, and either Part J of the Building
Regulations England and Wales or Part F of
the Building Standards (Scotland)
Regulations as appropriate.
7. Table 2 and Fig. 10 show the positioning of the
flue terminal relative to buildings and other
structures.
8. The dimensions of the flue terminal are shown
in Section 3.0 Technical Data.
5.4
Flue Dimensions
1.
Flue extensions are available as optional
extras for installations up to 3 metres
horizontal.
2.
Vertical flue kits are available up to 4
metres in length. Vertical twin flue kits are
available up to 15 metres in length.
3. The standard telescopic flue is suitable for use
with rear flue lengths between 100mm (4in) and
500mm (19
5
/
8
in).
4. Where it is intended to pass the flue through a
combustible wall or timber framed dwelling,
reference should be made to the Institute of Gas
Engineers document UP7 - Guide for Gas
Installations in Timber Framed Dwellings.
5. If the flue is more than 1 metre (39
3
/
8
in) long, it
is required that it is supported.
6.
All above dimensions are taken from the
respective faces of the outer case.
Fig. 11
Maximum lengths for side flue using the standard telescopic flue kit
355mm
335mm
Table. 2
Fig. 10
L
G
G
E
J
D
K
G
A
A
D
F
H,I
B,C
F
Likely flue positions requiring
a flue terminal guard
M
N
Horizontal Terminal Position with Minimum Distance
(mm)
A
Directly below an openable window, air vent or any other
ventilation opening.
300
B
Below gutter, drain/soil pipe.
150
C
Below eaves.
200
D
Below a balcony/car port roof.
200
E
From vertical drain pipes and soil pipes.
150
F
From internal or external corners.
300
G
Above adjacent ground or balcony level.
300
H
From a surface or boundary facing a terminal.
600
I
Facing a terminal.
1200
J
From opening (door/window) in carport into dwelling.
1200
K
Vertically from a terminal on the same wall.
1500
L
Horizontally from a terminal on the same wall.
300
M
Above an opening, air brick, opening window etc.
300
N
Horizontally to an opening, air brick, opening window etc.
300
NOTE:
Scotland Only - The distance from a fanned draught appliance
terminal installed at right angles to a boundary may not be less than
300mm in accordance with the diagram below.
300 min
Terminal
Assembly
Top View Rear Flue
Property Boundary Line
