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Heat & Glo • VRT-AUB • 2123-980 Rev. H • 5/12
28
Figure 7.8
H
2
H
1
V
V
2
H
V
1
Figure 7.9
Natural Gas • Two 90° Elbows System
V Minimum H Maximum
1 ft. 305 mm 3 ft. 914 mm
2 ft. 610 mm 6 ft. 1.83 m
3 ft. 914 mm 9 ft. 2.74 m
4 ft. 1.22 m 12 ft. 3,66 m
5 ft. 1.52 m 15 ft. 4.57 m
V1 + V2 + H = Max. 36 ft. (10.97 m) H = Max. 15 ft. (4.57 m)
Natural Gas • Two 90° Elbows System
V Minimum H1 + H2 Maximum
2 ft. 610 mm 5-1/2 ft. 1.68 m
3 ft. 914 mm 8 ft. 2.44 m
4 ft. 1.22 m 10-1/2 ft. 3,2 m
5 ft. 1.52 m 13 ft. 3.96 m
V1 + V2 + H = Max. 36 ft. (10.97 m) H = Max. 15 ft. (4.57 m)
Propane • Two 90° Elbows System
V Minimum H Maximum
1 ft. 305 mm 2 ft. 610 mm
2 ft. 610 mm 4 ft. 1.22 m
3 ft. 914 mm 6 ft. 1.83 m
4 ft. 1.22 m 8 ft. 2.44 m
5 ft. 1.52 m 10 ft. 3.05 m
V1 + V2 + H = Max. 36 ft. (10.97 m) H = Max. 10 ft. (3.05 m)
Propane • Two 90° Elbows System
V Minimum H1 + H2 Maximum
2 ft. 610 mm 3-1/2 ft. 1.07 m
3 ft. 914 mm 5 ft. 1.52 m
4 ft. 1.22 m 6-1/2 ft. 1.98 m
5 ft. 1.52 m 8-1/2 ft. 2.59 m
V1 + V2 + H = Max. 36 ft. (10.97 m) H = Max. 10 ft. (3.05 m)
Butane • Two 90° Elbows System
V Minimum H Maximum
1 ft. 305 mm 1 ft. 305 mm
2 ft. 610 mm 2 ft. 610 mm
3 ft. 914 mm 3 ft. 914 mm
4 ft. 1.22 m 4 ft. 1.22 m
5 ft. 1.52 m 5 ft. 1.52 m
V1 + V2 + H = Max. 33 ft. (10.06 m) H = Max. 3-1/2 ft. (1.07 m)
Butane • Two 90° Elbows System
V Minimum H1 + H2 Maximum
2 ft. 610 mm 1-1/2 ft. 460 mm
3 ft. 914 mm 2 ft. 610 mm
4 ft. 1.22 m 2-1/2 ft. 760 mm
5 ft. 1.52 m 3-1/2 ft. 1.07 m
V1 + V2 + H = Max. 33 ft. (10.06 m) H = Max. 3-1/2 ft. (1.07 m)