Wolf FGB-K Series Installation And Maintenance Instructions For Contractors page 88

Vertical concentric balanced flue C33x (examples) system DN80/125
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
Type C33x: Gas condensing boiler with
combustion air and flue gas
routed vertically to above the
roof.
88
31. Technical information, balanced flue
Notes: When installing, slide the separator (8) fully into the female
connection. Push the subsequent balanced flue (4) 50 mm (dim. "S")
into the female connection of the separator and always secure 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
silicone-free grease only).
Prior to installation, liaise with your local flue gas inspector regarding
Please note
the required inspection piece (3) (10). Adapter (2) is always required.
C33x C33x C33x
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