29
Grant Vortex Oil Boilers
5 - BOILER INSTALLATION
Fig. 20a - High level balanced flue (White system)
Fig. 20 - High level balanced flue
*Dimension A for Starter section and elbow/terminal only
High level and vertical balanced flue
5.3
See Fig. 20 and 20a
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. 20a.
Note: Dimension B given in Fig. 20a 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.
Utility 46/58, 58/70
Utility 26/36, 36/46 and Utility System 26/36, 36/46
All other models
2015 - 2335
1700 - 2020
1715 - 2115
Dimension (mm)Model
B dia
200
200
175
C
109
115
115
A
1595*
1280*
1215*
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