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Eccentric balanced flue
1 Gas condensing boiler
2 Adaptor DN 60/100
to DN 80/125
16 Pipe collar
22 Support rail
23 Support bend 87° DN 80
24 Spacer
25 PP flue DN 80
26 Duct cover with
UV-resistant terminal
31 Balanced flue distributor
80/80 mm
32 Air intake pipe Ø 125 mm
33 Bend 90° DN 80
34 87° tee with
inspection port DN 80
35 Flue DN 80
500 mm
1000 mm
2000 mm
3064816_201804
36. Technical information, balanced flue
Install eccentric balanced flue distributor 80/80 mm (31) for separate air supply/flue
gas routing with a test connector downstream of connection adaptor DN 80/125 (2).
When connecting a balanced flue certified according to Building Regulations, observe
the permit of the relevant body.
Install the horizontal flue with a fall of approx. 3° (6 cm/m) towards the boiler. Route
the horizontal air supply with a 3° fall towards the outside – fit the air intake with a wind
protector; permissible wind pressure at the air inlet 90 Pa. The burner will not start if
the wind pressure is higher.
16
16
Maintain the following clearance between the flue and the internal duct
wall:
32
33
34
31
2
1
C53
for round ducts:
for square ducts:
34
2
1
C53
25
16
Secondary
ventilation
3 cm
2 cm
26
25
25
16
Secondary
ventilation
26
25
23
22
24
23
22
83
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