Viessmann vitodens Technical Manual page 139

Components for separate ventilation and flue gas pipes
For system size ∅ 60 mm and ∅ 80 mm
Ventilation pipe
(these pipes may be trimmed
as required)
500/1000
Balanced flue tee C 8
System size ∅ 60 mm
240
120
System size ∅ 80 mm
VITODENS
Ventilation air bend (87º)
100
120
345
130
4.3 Flue gas system components
Ventilation air bend (45º)
Standard pack 2 pieces
100
Ventilation air damper
150
15
4
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