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Heat & Glo • Crescent II • 2083-902 Rev. N • 7/09 15
Figure 5.5
1. Top Vent - Horizontal Termination - (continued)
Three Elbows
H
2
H
1
V
2
V
1
V
1
Min. H
1
Max. V
2
Min. H
2
Max.
Elbow only 2 ft 610 mm * =
V
2
1-1/2 ft 457 mm 2 ft 610 mm * =
V
2
1-1/2 ft 457 mm 3 ft 914 mm * =
V
2
2-1/2 ft 762 mm 5 ft 1.5 m * =
V
2
3-1/2 ft 1.06 m 7 ft 2.1 m * =
V
2
4-1/2 ft 1.4 m 15 ft 4.6 m * =
V
2
*When using V
2
, H
2
Max = V
2
. If V
2
= 0, then H
2
Max = 1-1/2 ft (38 mm)
(H
1
+ H
2
) cannot exceed 15 ft (381 mm) when using appropriate V
2
.