
2 0
Installation
(for qualified installers only)
Travis Industries
9 3 5 0 8 1 0 9
1 8 0 5 0 1
Vertical Terminations with 0, 2, or 4 45¡ Offsets
¥
Use 8Ó diameter co-axial vent
¥
A Maximum of Four 45¡ Elbows May be Used
¥
8Õ Minimum System Height (without offsets)
¥
40Õ Maximum System Height
¥
12Õ Maximum Horizontal Offset (6Õ 6Ó for 4 Offsets)
Offset Length
Hor. Offset
Vert. Rise
None
5"
1'
1' Section
1'
1' 7"
2' Section
1' 9"
2' 4"
3' Section
2' 5"
3'
4' Section
3' 2"
3' 8"
Offset
Length
Horizontal
Offset
Vertical
Rise
¥
The termination must fall within the shaded area shown in the chart. Use the indicated restrictor position.
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5 feet
10 feet
(min.)
15 feet
20 feet
25 feet
30 feet
0 feet
35 feet
0 feet
5 feet
6' 6" (max)
5 feet
0 feet
0 feet
5 feet
6' 6"
(max)
10 feet
(min.)
15 feet
20 feet
25 feet
30 feet
35 feet
Four 45° Offsets
5 feet
10 feet
15 feet
20 feet
25 feet
30 feet
0 feet
40' (max)
0 feet
5 feet
5 feet
0 feet
0 feet
Restrictor
Position # 2
Restrictor
Position # 3
10 feet
15 feet
20 feet
30 feet
Zero or Two 45° Offsets
5 feet
12'
(max)
NOTE
:
Restrictor positions are
based upon lab tests.
The ideal restrictor
position may vary
slightly, especially
when the termination is
near the demarkation
line.
25 feet
10 feet
12' (max)
10 feet
Restrictor
Position # 2
Restrictor
Position # 3
35 feet
35 feet
40' (max)
40' (max)
40' (max)