Top Vent - Horizontal 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 | V2 |
| H2 |
2 ft. | 610 mm | 7 in | 178 mm | * | H2 Max = 2 X V2 | |
3 ft. | 914 mm | 2 ft. | 610 mm | * | H2 Max = 2 X V2 | |
4 ft. | 1.2 m | 4 ft. | 1.2 m | * | H2 Max = 2 X V2 | |
5 ft. | 1.5 m | 9 ft. | 2.7 m | * | H2 Max = 2 X V2 | |
6 ft. | 1.8 m | 12 ft. | 3.7 m | * | H2 | Max = 2 X V2 |
7 ft. | 2.1 m | 14 ft. | 4.3 m | * | H2 | Max = 2 X V2 |
10 ft. | 3.0 m | 20 ft. | 6.1 m | * | H2 | Max = 2 X V2 |
V1 + H1 must be adhered to.
* V2 has no specifi c restrictions EXCEPT,
Ht max = 2 x Vt and Vtotal + Htotal cannot exceed 60 ft. Maximum
H2
Figure 7.5
V2
H1
V1
26 | Heat & Glo • |
