41521-2-0520
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VERTICAL TERMINATION
No Elbows
DIMENSIONS (In Feet)
Minimum
Maximum
10
40
Figure 45
GENERIC MODEL SHOWN
Two 90° Elbows
2’
EXAMPLE VENT RUNS
Initial Pipe Length
(In Inches)
A-Vertical
(In Feet)
B-Horizontal
(In Feet)
24
30
6
36
25
9
48
20
12
*Maximum horizontal run is 100% of vertical, but cannot
exceed 18 ft.
Figure 46
GENERIC MODEL SHOWN
Three 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.
2’
EXAMPLE VENT RUNS
Initial Pipe Length
(In Inches)
A-Vertical
(In Feet)
B-Horizontal
(In Feet)
24
27
6
36
22
9
48
17
12
*Maximum horizontal run is 100% of vertical, but cannot exceed
18 ft.
Figure 47
GENERIC MODEL SHOWN