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Calculating the flue length
Refer to figure 9 and table 2.
L max = boiler max*.
*If the chimney has an offset, then L will be reduced by 1m.
1
2
4
MIN
600mm
5
7
Fig. 9
Typical installation - straight flue
[1]
Chimney cowl
[2]
Flexible liner
[3]
Centralising spacer
[4]
Fire stop/Inspection plate
[5]
Fire stop plate
[6]
Stainless steel vertical section (minimum 600mm)
[7]
Boiler
Greenstar Oilfit Flexi CF Flue – 6720807911 2019/05
MAX
L
3
6
NOTICE:
Fire stop plates
▶ Depending upon the opening situation, a fire stop plate, as shown,
can be used.
Fig. 10 Fire stop/Inspection plates
To fit the damper
▶ Remove the flue manifold access cover
▶ Put the damper in, behind the flue stat pocket
▶ Push the damper firmly onto the protruding stainless steel elbow
Fig. 11 Damper fitting detail
Pre-Installation
6720645523-46.1Wo
9
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