Installation (for qualified installers only)
17
© Travis Industries
10/2/17 - 1454
Berkshire MV
Horizontal Termination with Three 90° Elbows (all vertical)
•
If using a Snorkel Termination (14” (356mm) or 36” (915mm)) add the snorkel height to the vertical
height (snorkel terminations are used primarily for basement installations).
•
The termination must fall within the shaded area shown in the chart. Use the indicated restrictor
position.
5 feet (1.5m)
10' min (3m)
15 feet (4.5m)
21' max (6.4m)
0 feet
5 feet (1.5m)
0 feet
0 feet
5 feet (1.5m)
10' min (3m)
15 feet (4.5m)
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 # 1
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)
21' max (6.4m)
NOTE:
Horizontal sections require a 1/4" (0.250mm)
rise every 12" (305mm) of travel.
This is a horizontal elbow -
NOT ALLOWED FOR THIS
VENT CONFIGURATION
These are
vertical elbows.