TOP VENT - HORIZONTAL TERMINATION
One Elbow
INITIAL
PIPE
LENGTH
24"
36"
EXAMPLE C
4'-1"
EXAMPLE B
20'-7"
EXAMPLE A
28'-7"
Note: Pipe straps must be used every 2 feet to secure venting.
Two 45° Elbows
Installation requirements to replace the first 90° elbow with two
45° elbows:
A
EXAMPLE VENT RUNS
INITIAL PIPE
A (Vertical)
LENGTH
24"
36"
4'-7"
12'-7"
24'-7"
32929-11-0817
EXAMPLE VENT RUNS
A (Vertical)
B (Horizontal)
5'-10"
7'-3" MAXIMUM
6'-10"
13' MAXIMUM
7'-6"
17' MAXIMUM
24'
10' MAXIMUM
32'
5' MAXIMUM
Figure 33
B
B (Horizontal)
5'-10"
7'-3" MAXIMUM
6'10"
13' MAXIMUM
8'
20' MAXIMUM
16'
15' MAXIMUM
28'
7'-6" MAXIMUM
Figure 34
Two Elbows
Note: 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 hori-
zontally.
EXAMPLE VENT RUNS
INITIAL PIPE
A (Vertical)
LENGTH
36"
48"
4'-7"
12'-7"
24'-7"
Three Elbows
EXAMPLE VENT RUNS
INITIAL PIPE
A (Vertical)
LENGTH
1' MINIMUM
1' MINIMUM
1' MINIMUM
1' MINIMUM
1' MINIMUM
B (Horizontal)
6'-10"
10' MAXIMUM
7'-10"
15'-10" MAXIMUM
8'
17' MAXIMUM
16'
12' MAXIMUM
28'
4'-6" MAXIMUM
Figure 35
B (Horizontal)
6'-6"
12' MAXIMUM
7'-6"
17' MAXIMUM
8'
20' MAXIMUM
16'
15' MAXIMUM
32'
5' MAXIMUM
Figure 36
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