32
Grant Vortex Eco Utility Oil Boilers
6 - BOILER INSTALLATION
Fig. 18a - High level balanced flue (White system)
Fig. 18 - High level balanced flue
*Dimension C for Starter section and elbow/terminal only
High level and vertical balanced flue
6.3
See Fig. 18 and 18a
If the boiler is to be used with the high level balanced
flue (White system) make the hole in the wall as shown
in Fig. 18a.
Note: Dimension B given in Fig. 18a includes an
extra 10 mm over the size of the terminal to provide
clearance for fitting.
Fitting instructions for the high level balanced flue and
vertical balanced flue are supplied with the flue kits.
Adjustable sections: The adjustable extensions are
telescopic. The wall terminal section is adjustable and
is suitable for a wall thickness of 215 mm to 450 mm.
Simply adjust to the required length using a twisting
motion. The outer pipes must overlap by a minimum
of 25 mm.
Side wa
ll
Rear wa
ll
Note: This dimension is given with
the boiler pushed back against
the rear wall. Any clearances
must be added to it.
Holetobe
cut in wall
Holetobe
cut in wall
Boiler
centre line
Outline
of boiler
Rear exit
Side exit
Standard kit with no extensions
D
C
A
A
B
15/21 and 21/26
26/35
D
1715 - 2115
1700 - 2020
Dimension (mm)
Model
A dia
175
200
B
115
115
C
1215*
1280*
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