Lopi Berkshire MV Owner's Manual page 17

Installation (for qualified installers only)
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.
21' max (6.4m)
15 feet (4.5m)
10' min (3m)
5 feet (1.5m)
0 feet
© Travis Industries
Restrictor
Position # 1
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
10/2/17 - 1454
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.
21' max (6.4m)
15 feet (4.5m)
10' min (3m)
5 feet (1.5m)
0 feet
These are
vertical elbows.
Berkshire MV
17