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• Take the wall template and place in the desired position
on the wall, giving due consideration to the required boiler
clearances, see chapter "Appliance location ► Clearances",
and the fl ue you are fi tting.
Fixing to the wall
130
90°
4
5
6
2
1
3
Key
1 Wall template
2 Standard fl ue length horizontal
3 2.5° 44mm/metre inclined extended fl ue length
4 Wall plug
5 Hanging bracket
6 Screw
Flue hole cutting
• Mark the position of the fl ue centre.
• Remove the wall template, then drilling the fl ue hole.
The fl ue is designed with an internal fall of 44mm/
metre (2.5
o
), therefore the hole can be drilled
horizontally.
• Use a 105mm diameter core drill for external access fl ue
installation (60/100 fl ue).
• Use a 125mm diameter core drill for internal access only fl ue
installation (60/100 fl ue).
If fl ue extension pipes are to be used then a core
drill size of 125mm is required. This will allow the
extension pieces to slope at 44mm/metre (2.5
o
)
towards the boiler.
• If fi tting a side fl ue, extend the fl ue centre line into the corner
then 130mm along the adjacent wall.
• If fi tting an extended side fl ue, determine the fl ue hole centre
by extending the dashed inclined line on the template to the
side wall. This dashed line is drawn at 44mm/metre
(2.5
o
)
rise from the boiler. Where this line reaches the side wall, a
horizontal line should be marked. The vertical centre line of
the fl ue should then be marked at 130mm from the back wall.
To allow for the fl ue passing through the wall at this angle
a 125mm hole should be drilled irrespective of internal or
external installation.
Hanging bracket fi xing
Due to the varied site conditions the fi xings supplied may not be
suitable, please make sure that those used are.
• Drill the holes for the fi xing screws in accordance with the wall
template.
• Fix the hanging bracket on the wall.