33740-11-0816
Page 23
One Elbow
EXAMPLE VENT RUNS
INITIAL
PIPE
LENGTH
A (Vertical)
B (Horizontal)
´
¶´
¶´0$;,080
´
¶´
13’ MAXIMUM
EXAMPLE C
¶´
¶´
17’ MAXIMUM
EXAMPLE B
¶´
24’
¶0$;,080
EXAMPLE A
¶´
32’
5’ MAXIMUM
Figure 33
Note
: Pipe straps must be used every 2 feet to secure venting.
Two 45° Elbows
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45° elbows:
B
A
EXAMPLE VENT RUNS
INITIAL PIPE
LENGTH
A (Vertical)
B (Horizontal)
´
¶´
¶´0$;,080
´
¶´
13’ MAXIMUM
¶´
8’
¶0$;,080
¶´
16’
15’ MAXIMUM
¶´
28’
¶´0$;,080
Figure 34
Two Elbows
Note
: Subtract 3 feet from the total horizontal measurement for
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total horizontal measurement for each 45° elbow installed hori-
zontally.
EXAMPLE VENT RUNS
INITIAL PIPE
LENGTH
A (Vertical)
B (Horizontal)
´
¶´
¶0$;,080
´
¶´
¶´0$;,080
¶´
8’
17’ MAXIMUM
¶´
16’
12’ MAXIMUM
¶´
28’
¶´0$;,080
Figure 35
Three Elbows
EXAMPLE VENT RUNS
INITIAL PIPE
LENGTH
A (Vertical)
B (Horizontal)
1’ MINIMUM
¶´
12’ MAXIMUM
1’ MINIMUM
¶´
17’ MAXIMUM
1’ MINIMUM
8’
¶0$;,080
1’ MINIMUM
16’
15’ MAXIMUM
1’ MINIMUM
32’
5’ MAXIMUM
Figure 36
TOP VENT - HORIZONTAL TERMINATION
