5
Boiler installation
Logano GB125 BE US/CA - Technical specifications are subject to change without prior notice.
23
Table 12 shows the maximum permissible vent length for the different types of systems.
Pipe changes of direction
The overall lengths apply for systems with one elbow.
Every additional elbow (accessory) reduces the maximum
vent length by 3 ft (1 m).
Maximum length of flue pipe, feet (m)
Plastic flue system DN 80/125
Boiler size
HT-K
direct vent
DO
vertical vent
GA-K
masonry chimney
GB125
22
17’ (5.2 m)
51’ (17 m)
51’ (17 m)
30
17’ (5.2 m)
64’ (21 m)
64’ (21 m)
35
17’ (5.2 m)
71’ (23 m)
71’ (23 m)
Tab. 12 Maximum flue pipe lengths
For installation details see the Installation
Instructions of the different venting systems.
