No Elbows
DIMENSIONS (In Feet)
Minimum
10
GENERIC MODEL SHOWN
Two 90° Elbows
EXAMPLE VENT RUNS
Initial Pipe Length
(In Inches)
24
36
48
*Maximum horizontal run is 100% of vertical, but cannot
exceed 18 ft.
GENERIC MODEL SHOWN
40651-2-0320
VERTICAL TERMINATION
Maximum
40
Figure 45
2'
A-Vertical
B-Horizontal
(In Feet)
(In Feet)
30
6
25
9
20
12
Figure 46
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.
EXAMPLE VENT RUNS
Initial Pipe Length
(In Inches)
24
36
48
*Maximum horizontal run is 100% of vertical, but cannot exceed
18 ft.
GENERIC MODEL SHOWN
2'
A-Vertical
B-Horizontal
(In Feet)
(In Feet)
27
6
22
9
17
12
Figure 47
Page 27