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Garden wall
module
Garden wall
Extensions
45° elbows
Straight
terminals
Straight
starter
Maximum horizontal
length 3 metres
Figure 9-4: Horizontal external ue
Section 9: Flue System and Air Supply
9.5 EXTERNAL HORIZONTAL
CONVENTIONAL FLUE (GREEN
SYSTEM)
This option uses the Grant Green system External Module straight
starter section (GKM90C), replacing the low level terminal and
ue guard supplied with the boiler, along with components from
the Grant Green system. See Figure 9-4.
It is possible to extend the ue horizontally by a maximum of 3
metres in total ue length by using the green system. A maximum
of two 45° elbows may be utilised when extending the ue using
this system.
For further information on the connection of the Green system,
please refer to Section 9.4.
! NOTE !
The ue system from the external module can be extended
either vertically OR horizontally by using the Green
System.
NOT a combination of both.
A complete list of Grant Green system ue components can be
found in Figure 9-3 and Table 9-1.
Information on the siting of the ue terminal can be found in
Section 9.6.
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