Top Vent - Vertical Termination - (continued)
Three Elbows
Note: Must have a 24 inches mini- mum vertical vent before attaching any elbow to the unit.
Note: A fl ue restrictor can only be used in vent runs that in- clude no elbows and exceed 30 ft. total of straight vertical.
| V1 | H1 | H2 | V2 | Ht Max. | |
2 ft. | 610 mm | * | * | ** | 7 in | 178 mm |
3 ft. | 914 mm | * | * | ** | 2 ft. | 610 mm |
4 ft. | 1.2 m | * | * | ** | 4 ft. | 1.2 m |
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5 ft. | 1.5 m | * | * | ** | 8 ft. | 2.4 m |
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6 ft. | 1.8 m | * | * | ** | 12 ft. | 3.7 m |
7 ft. | 2.1 m | * | * | ** | 14 ft. | 4.3 m |
10 ft. | 3.0 m | * | * | ** | 20 ft. | 6.1 m |
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*H1 and H2 has no specifi c restrictions EXCEPT,
after V1 = 6 ft., then Ht Max = 2 x V1 **VT + HT = 60 ft. Max.
V2
H1 
H2
INSTALLED
HORIZONTALLY
Figure 7.8
28 | Heat & Glo • |
V1
