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37. Technical information, air/flue gas
routing
Vertical concentric balanced flue C33x (examples) system DN80/125
Type C33x:
Gas condensing boiler with
combustion air and flue gas
routed vertically to above the
roof.
2
2
2
3
3
8
8
4
4
4
9
9
3
5
5
10
4
5
11
S
S
6
6
6
4
5
4
7
7
7
1
1
1
12
13
6
14
1 Gas condensing boiler
2 Adaptor DN60/100 to DN80/125
3 Balanced flue with inspection port
(250 mm long)
4 Balanced flue DN80/125
500 mm
1000 mm
2000 mm
5 Spacer bracket
6 Mounting bracket DN125
for roof outlet
7 Balanced flue, vertical
DN80/125
(roof outlet for
flat or pitched roofs)
L = 1200 mm
L = 1800 mm
8 Separator
(slide coupling) if required
9 Bend 45° DN 80/125
10 Inspection bend 87° DN 80/125
11 Bend 87° DN 80/125
12 Universal tile for
pitched roof 25/45°
13 "Klöber" adaptor 20-50°
14 Flat roof collar
Notes:
When installing, slide the separator (8) fully into the female connec-
tion. Push the next balanced flue pipe (4) 50 mm (dim. "S") into the
female connection of the separator and ensure it is fully secured in
this position, e.g. with pipe clips DN125 (5) or with a locking screw
on the air side.
Lubricate the pipe ends and gaskets for easier installation (use sili-
cone-free grease only).
Prior to installation, liaise with your local flue gas inspector regarding
the required inspection piece (3) (10). Adapter (2) is always required.
Please
note
C33x
C33x
C33x
Summary of Contents for CGB-2 Series
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