41521-2-0520
Page 26
HORIZONTAL TERMINATION
One 90° Elbow
A
TO BOTTOM
OF UNIT
B
INSTALLED
VERTICALLY
2’
MINIMUM
EXAMPLE VENT RUNS
Initial Pipe Length
(In Inches)
A-Vertical
(In Feet)
B-Horizontal
(In Feet)
24
6
6
36
7
9
48
8
12
Figure 41
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:
B
A
EXAMPLE VENT RUNS
Initial Pipe Length
(In Inches)
A-Vertical
(In Feet)
B-Horizontal
(In Feet)
24
7
9
36
8
12
48
9
15
Figure 42
GENERIC MODEL SHOWN
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 hori
-
zontally.
2’
MININUM
INSTALLED
HORIZONTALLY
B
A
EXAMPLE VENT RUNS
Initial Pipe Length
(In Inches)
A-Vertical
(In Feet)
B-Horizontal
(In Feet)
24
6
3
36
7
6
48
8
9
Figure 43
Three 90° Elbows
2’
MININUM
B
INSTALLED
VERTICALLY
INSTALLED
VERTICALLY
A
TO BOTTOM
OF UNIT
EXAMPLE VENT RUNS
Initial Pipe Length
(In Inches)
A-Vertical
(In Feet)
B-Horizontal
(In Feet)
24
6
6
36
7
9
48
8
12
Figure 44
GENERIC MODEL SHOWN
