
| VENTING WITH THREE (3) 90° ELBOWS | ||
V (FT.) | H + H1 (FT.) (8000 & 6000’s) | H + H1 (FT.) | |
1' MIN. (305 mm) | 6' MAX. (1.86 m) | 3' | MAX. (914 mm) |
2' MIN. (610 mm) | 12' MAX. (3.72 m) | 6' | MAX. (1.86 m) |
3' MIN. (914 mm) | 18' MAX. (5.58 m) | 9' | MAX. (2.74 m) |
4' MIN. (1.22 m) | 24' MAX. (8.44 m) | 12' MAX. (3.66 m) | |
| 24' MAX. (8.44 m) | 12' MAX. (3.66 m) | |
NOTE: V + V1 MAX. 20' (6.2 m) |
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V1 |
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| H1 | H | V |
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Figure 14. Venting with three 90° elbows
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