Technical information

14
3 FLUE LOCATION AND
VENTILATION
3.1 Flue Position and Length
The maximum permissible horizontal flue length
is 10 metres plus the flue terminal, this can be
achieved by use of the accessories, however
should additional 90° or 2 x 45° elbows be used
then the length MUST be reduced by 1 metre.
The diagrams 3.1 to 3.4 describe the lengths
achievable without the use of extensions or
elbows.
An elevated flue system can be installed with the
addition of a vertical flue adapter, extension kits,
and elbow, see section below, Flue Options.
When extension pipes are used the flue system
must be designed to have a continuous fall to the
boiler of at least (44mm for every 1M) to allow
condensate to run out via the drain.
3.2 Internal Flue Installation
The flue can be installed from inside the building
when access to the outside wall face is not
practicable.
3.3 Flue Options
There are various flue systems to choose from,
as follows:
Horizontal telescopic flue pack
- Pt. No. A2045000
Standard flue pack
- Pt. No. A2044900
Black terminal
- Pt. No. A2045100
Telescopic flue extension 0.5-0.8m
- Pt. No. A2032800
Vertical flue adaptor - Pt. No. A2045100
Vertical flue terminal kit - Pt. No. A2032300
2 Metre Extension Kit - Pt. No. A2032700
1 Metre Extension Kit - Pt. No. A2032600
0.5 Metre Extension Kit - Pt. No. A2032500
Adjustable Flue Pipe 0-50 mm
Kit - Pt. No. A2033100
45° Flue Bend Pack - Pt. No. A 2033000
90° Flue Bend Pack - Pt. No. A 2032900
Additional accessories are available.
See “Flue Options Guide” for configurations
available.