Top Vent - Vertical Termination - (continued)
Two Elbows
| V1 | H1 Maximum | V2 | V1 + V2 | Minimum | ||
1 ft. | 305 mm | 3 ft. | 914 mm | * | * |
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2 ft. | 610 mm | 6 ft. | 1.8 m | * | * |
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4 ft. | 1.2 m | 12 ft. | 3.7 m | * | * |
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V1 + V2 + H1 = 50 ft. (15.2 m) Max.
*No specific restrictions on this value EXCEPT V1 + V2 + H1 cannot exceed 50 ft. (15.2 m)
V2
Figure 7.11
H1
V1 = 1 ft. (305 mm) Min.
V1
Three Elbows
V2
| V1 | H1+ H2 | V2 | V1+ V2 Minimum | H1+ H2 Maximum | |||
1 ft. | 305 mm | 3 ft. | 914 mm | * | * | * | 3 ft. | 914 mm |
2 ft. | 610 mm | 6 ft. | 1.8 m | * | * | * | 6 ft. | 1.8 m |
4 ft. | 1.2 m | 12 ft. | 3.7 m | * | * | * | 12 ft. | 3.7 m |
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H1 + H2 = 17 ft. (5.2 m) Maximum
V1 + V2 + H1 + H2 = 50 ft. (15.2 m) Maximum
V1 = 1 ft. (305 mm) Minimum
H1
H2 | V1 |
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| INSTALLED |
| HORIZONTALLY |
Figure 7.12
Heat & Glo • | 27 |