Lopi Berkshire MV Owner's Manual page 18

18
Installation (for qualified installers only)
Vertical Terminations with Two 90° Elbows
• The termination must fall within the shaded area shown in the chart. Use the indicated restrictor
position.
40' max (12m)
35 feet (10.5m)
30 feet (9m)
25 feet (7.5m)
20 feet (6m)
15 feet (4.5m)
10 feet (3m)
5 feet (1.5m)
© Travis Industries
Restrictor
Position # 6
Restrictor
Position # 5
Restrictor
Position # 1
NOTE:
Horizontal sections require a 1/4" (0.250)
rise every 12" (305mm) of travel.
0 feet
This is a horizontal elbow -
NOT ALLOWED FOR THIS
VENT CONFIGURATION
NOTE:
Restrictor positions are based upon lab
tests. The ideal restrictor position may
vary slightly, especially when the
termination is near a
demarkation line.
10/2/17 - 1454
40' max (12m)
35 feet (10.5m)
30 feet (9m)
25 feet (7.5m)
20 feet (6m)
15 feet (4.5m)
10 feet (3m)
5 feet (1.5m)
0 feet
These are
vertical elbows.
Berkshire MV