No Elbows
DIMENSIONS
MINIMUM
10ft
Three Elbows
NOTICE: Subtract 3 feet from the total horizontal measurement
for each 90° elbow installed horizontally. Subtract 1-1/2 feet from
the total horizontal measurement for each 45° elbow installed
horizontally.
A
TO BOTTOM
B
OF UNIT
EXAMPLE VENT RUNS
INITIAL PIPE
A (Vertical)
LENGTH
36in
48in
8ft
21ft
36092-0-0815
VENTING FIREPLACE - TOP
MAXIMUM
40ft
Figure 46
INSTALLED
VERTICALLY
B (Horizontal
Maximum)
6ft
7ft, 4in
7ft
12ft
12ft
14ft, 8in
25ft
7ft
Figure 47
Two Elbows
INSTALLED
VERTICALLY
A
TO BOTTOM
OF UNIT
EXAMPLE VENT RUNS
A (Vertical)
6ft
7ft
12ft
24ft
B
B (Horizontal
Maximum)
10ft, 4in
15ft
17ft, 8in
10ft
Figure 48
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