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TOP VENT - HORIZONTAL TERMINATION
One 90° Elbow
B
A
TO BOTTOM
OF UNIT
EXAMPLE VENT RUNS
INITIAL PIPE
A (Vertical)
LENGTH
(Dimensions in inches)
12
24
36
48
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
(Dimensions in inches)
12
24
36
48
Page 28
INSTALLED
VERTICALLY
1'
MINIMUM
B (Horizontal)
MAXIMUM
Natural - 24
55
Propane - 12
67
42
79
108 (9ft)
91
168 (14ft)
Figure 45
B
B (Horizontal)
MAXIMUM
66
72
80
132 (11ft)
91
204 (17ft)
103
240 (20ft)
Figure 46
Two 90° 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
horizontally.
EXAMPLE VENT RUNS
INITIAL PIPE
A (Vertical)
LENGTH
(Dimensions in inches)
12
24
36
48
Three 90° Elbows
A
TO BOTTOM
OF UNIT
B
EXAMPLE VENT RUNS
INITIAL PIPE
A (Vertical)
LENGTH
(Dimensions in inches)
12
24
36
48
B (Horizontal)
MAXIMUM
55
0'
67
6
79
72 (6ft)
91
132 (11ft)
Figure 47
INSTALLED
VERTICALLY
MININUM
INSTALLED
VERTICALLY
B (Horizontal)
MAXIMUM
55
18
67
24 (2ft)
79
90 (7ft, 6in)
91
114 (9ft, 6in)
Figure 48
41368-0-0120
1'
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