E. Vent Diagrams
Top Vent - Horizontal Termination
One Elbow | V1 Minimum | H1 Maximum | |||
1 ft. | 305 mm | 3 ft. | 914 mm | ||
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| 2 ft. | 610 mm | 6 ft. | 1.8 m | |
| 3 ft. | 914 mm | 9 ft. | 2.7 m | |
| 4 ft. | 1.2 m | 12 ft. | 3.7 m | |
| V1 + H1 = 40 ft. (12.2 m) Maximum | ||||
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| H1 = 20 ft. (6.1 m) Maximum | |||
| V1 | V1 = 1 ft. (305 mm) Minimum | |||
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H1
Figure 7.3
Two Elbows
V1 Minimum | H1 + H2 Maximum | ||
1 ft. | 305 mm | Cannot do | |
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1 1/2 ft. | 457 mm | 457 mm | |
2 ft. | 610 mm | 3 ft. | 914 mm |
3 ft. | 914 mm | 6 ft. | 1.8 m |
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4 ft. | 1.2 m | 9 ft. | 2.7 m |
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V1 + H1+ H2 = 50 ft. (15.2 m) Maximum
H1 + H2 = 17 ft. (5.2 m) Maximum
V1 = 1 ft. (305 mm) Minimum
H2 | V1 | |
H1 | ||
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| INSTALLED |
Figure 7.4 | HORIZONTALLY |
24 | Heat & Glo • |