12
VENTING WITH TWO (2) 90° ELBOWS
V
H
H + H
1
1´ MIN. (305 mm)
2´ MAX. (610 mm)
5´ MAX. (1.52m)
2´ MIN. (610 mm)
4´ MAX. (1.22 m)
10´ MAX. (3.1m)
3´ MIN. (914 mm)
6´ MAX. (1.86 m)
15´ MAX. (4.65m)
4´ MIN. (1.22 m)
8´ MAX. (2.48 m)
20´ MAX. (6.2m)
V+H+H
1
= 40´ MAX. (12.4 m) H = 8´ MAX. (2.48 m) H+H
1
= 20´ MAX. (6.2m)
Figure 10. Venting with Two 90° Elbows