Avalon Stoves 21 DV Fireplace - Manual (Page 18)

18 Installation (for qualified installers only)
© Travis Industries 4040830 100-01143
Vent Configurations with Vertical Termination
•
The termination must fall within the shaded area shown in the chart. Use the indicated restrictor
position.
•
A maximum of 3 elbows may be used.
•
8" or 6-5/8" diameter vent may be used.
5 feet
10 feet
15 feet
20 feet
25 feet
30 feet
0 feet
40' (max)
5 feet
10 feet
0 feet 5 feet
10 feet 14' (max)
15 feet
20 feet
25 feet
30 feet
0 feet
0 feet
NOTE:
Horizontal sections require a
1/4" rise every 12" of travel.
10 feet
40' (max)
14' (max)
NOTE:
Restrictor positions are
based upon lab tests.
The ideal restrictor
position may vary
slightly, especially when
the termination is near a
demarkation line.
5 feet
NOTE:
One 45° or 90° elbow may
be used between horizontal
sections. Horizontal length
is caculated by adding each
horizontal run together.
35 feet 35 feet
Restrictor
Position # 1
Restrictor
Position # 4
Restrictor
Position # 6
6' (min) 6' (min)
NOTE:
Two 45° elbows
may be used.