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18
Installation (for qualified installers only)
Vent Configurations with Vertical Termination
•
The diffuser must be removed.
•
The termination must fall within the shaded area shown in the chart. Use the indicated restrictor
position.
•
One 45° or 90° elbow may be used between horizontal sections (the maximum number of elbows is
three).
40' (max)
Restrictor
Position # 7
35 feet
30 feet
25 feet
NOTE:
Two 45° elbows
may be used.
20 feet
15 feet
10 feet
6' (min)
5 feet
0 feet
© Travis Industries
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
Restrictor
Position # 1
4060517
40' (max)
35 feet
30 feet
25 feet
20 feet
NOTE:
One 45° or 90° elbow may
be used between horizontal
sections. Horizontal length
is caculated by adding each
horizontal run together.
15 feet
NOTE:
Horizontal sections require a
1/4" rise every 12" of travel.
10 feet
6' (min)
5 feet
0 feet
100-01158
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