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18 Installation (for qualified installers only)
Travis Industries 100-01169_001 4050119
Vertical Termination with Three 90° Elbows
(Two 90° Vertical and One 45° or 90° Horizontal Elbow)
• The termination must fall within the shaded area shown in the chart. Use the indicated restrictor
position.
5 feet
10' (min)
15 feet
20 feet
25 feet
30 feet
0 feet
40' (max)
5 feet
0 feet
0 feet
5 feet
10' (min)
15 feet
20 feet
25 feet
30 feet
40' (max)
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.
10 feet
15 feet
20 feet
24 ' (max)
0 feet
5 feet
10 feet
15 feet
20 feet
24 ' (max)
35 feet35 feet
Restrictor
Position # 1
NOTE:
Horizontal sections require a
1/4" rise every 12" of travel.
This is considered a horizontal
elbow (it does not matter
whether it turns right or left).
It may be a 45° or 90° elbow.
This is considered a
vertical elbow
Horizontal length (max. 24') is calculated
by adding both lengths of horizontal run
(Horizontal Length = H1 + H2).
H1
H2
This is considered a
vertical elbow