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18 Installation (for qualified installers only)
© Travis Industries 4090717 100-01225_000
Vertical Terminations with Two 90° Elbows
The termination must fall within the shaded area shown in the chart. Use the indicated restrictor
position.
5 feet (1.5m)
10 feet (3m)
15 feet (4.5m)
20 feet (6m)
25 feet (7.5m)
30 feet (9m)
0 feet
40' max (12m)
5 feet (1.5m)
0 feet
0 feet
5 feet (1.5m)
10 feet (3m)
15 feet (4.5m)
20 feet (6m)
25 feet (7.5m)
30 feet (9m)
40' max (12m)
Restrictor
Position # 5
NOTE:
Restrictor positions are based upon lab
tests. The ideal restrictor position may
vary slightly, especially when the
termination is near a
demarkation line.
Restrictor
Position # 6
10 feet (3m)
15 feet (4.5m)
20 feet (6m)
24 ' max (7.3m)
0 feet
5 feet (1.5m)
10 feet (3m)
15 feet (4.5m)
20 feet (6m)
24 ' max (7.3m)
35 feet (10.5m)35 feet (10.5m)
Restrictor
Position # 1
NOTE:
Horizontal sections require a 1/4" (0.250)
rise every 12" (305mm) of travel.
This is a horizontal elbow -
NOT ALLOWED FOR THIS
VENT CONFIGURATION
These are
vertical elbows.