19
VENTING WITH TWO (2) 90° ELBOWS
V
H
H + H
1
1' MIN. (305 mm)
2' MAX. (610 mm)
3' MAX. (914 mm)
2' MIN. (610 mm)
4' MAX. (1.22 m)
6' MAX. (1.86 m)
3' MIN. (914 mm)
6' MAX. (1.86 m)
9' MAX. (2.7 m)
4' MIN. (1.22 m)
8' MAX. (2.48 m)
12' MAX. (3.6 m)
8' MAX. (2.48 m)
17' MAX. (5.1 m)
V + H + H
1
= 37' MAX. (11.3m)
Figure 12.
Venting with Two 90° Elbows
Figure 13. Venting with Two 90° Elbows
VENTING WITH TWO (2) 90
o
ELBOWS
V FT.
H + H
1
(FT.)
1' MIN. (305mm)
2' MAX. (610mm)
2' MIN. (610mm)
4' MAX. (1.22m)
3' MIN. (914mm)
6' MAX. (1.86m)
4' MIN. (1.22m)
8' MAX. (2.4m)
8' MAX. (2.4m)
V + H + H
1
= 37' MAX. (11.3m)
V
H
1
H
V
H
1
H
