| VENTING WITH THREE (3) 90° ELBOWS | |
|
|
|
V (FT.) | H (FT.) | |
1' MIN. (305mm) | 5' MAX. (1.52m) | |
2' MIN. (610mm) | 10' MAX. (3.1m) | |
3' MIN. (914mm) | 15' MAX. (4.65m) | |
4' MIN. (1.22m) | 20' MAX. (6.2m) | |
NOTE: H + H1 = 20' MAX. (6.2m)
V + V1 + H + H1= 40' MAX. (12.4m)
H1
V1
V
H
V1
H1
V
H
V + V1 (FT.) | H | + H1 (FT.) |
1' MIN. (305mm) | 5' | MAX. (1.52m) |
2' MIN. (610mm) | 10' | MAX. (3.1m) |
3' MIN. (914mm) | 15' | MAX. (4.65m) |
4' MIN. (1.22m) | 20' | MAX. (6.2m) |
H +H1 = 20' MAX. (6.2m)
NOTE: V+V1+H +H1 = 40' MAX. (12.4m)
Figure 17. Venting with three 90° elbows
20 | Heat & Glo • |
