V | H | H + H1 |
1' MIN. (305 mm) | 2' MAX. (610 mm) | 4' MAX. (1.22m) |
2' MIN. (610 mm) | 4' MAX. (1.22 m) | 8' MAX. (2.4m) |
3' MIN. (914 mm) | 6' MAX. (1.86 m) | 12' MAX. (3.6m) |
4' MIN. (1.22 m) | 8' MAX. (2.48 m) | 16' MAX. (4.8m) |
V+H+H1 = 40' MAX. (12.4 m) H = 8' MAX. (2.48 m) | H+H1 = 16' MAX. (4.8m) |
H1
V
Use D-Series
components only.
H
V (FT) | H + H1 (FT) |
1' MIN. (305 mm) | 2' MAX. (610 mm) |
2' MIN. (610 mm) | 4' MAX. (1.22 m) |
3' MIN. (914 mm) | 6' MAX. (1.86 m) |
4' MIN. (1.22 m) | 8' MAX. (2.48 m) |
| H + H1= 8' MAX. (2.48 m) |
V + H + H1= 40' (12.2m) MAX.
Note: There MUST be a 25% reduction in total H when using flex vent, except when using the simple up and out installation (see Figure 9).
V
H
H1
Figure 14. Venting with Two 90° Elbows
19