30
Top Vent Configuration with Vertical Termination
The termination must
fall within the shaded
area shown in the chart.
Use the indicated
restrictor and diffuser
positions.
Up to four elbows (45°
or 90°) may be used.
Only one horizontal
elbow may be used.
May use 8" (203mm) or
6-5/8" (168mm)
diameter vent (see
page for 21 details).
© Travis Industries
Installation
40' (12m) max
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
This is considered a horizontal
elbow (it does not matter
whether it turns right or left).
It may be a 90° or 45° elbow.
(for qualified installers only)
Exhaust Restrictor # 4
Intake Restrictor # 2
Diffuser Position # 2
H2
H1
4090227
40' (12m) max
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
Horizontal length is calculated by adding
both lengths of horizontal run
(Horizontal Length = H1 + H2).
This is considered a
vertical elbow
100-01220_000