Heat & Glo • VRT-AUB • 2123-980_R14 • 12/14
29
Figure 7.10
V
2
V
1
H
2
H
1
Natural Gas • Three 90° Elbows System
V
Minimum
H
Maximum
H1 + H2
Max.
1-1/2 ft.
457 mm
1-3/4 ft.
530 mm
3-1/2 ft.
1.07 m
3 ft.
914 mm
3-1/2 ft.
1.07 m
7-1/2 ft.
2.28 m
4-1/2 ft.
1.37 m
5-1/2 ft.
1.68 m
11-1/2 ft.
3.5 m
6 ft.
1.83 m
7 ft.
2.13 m
15 ft.
4.57 m
V + H1 + H2 = Max. 36 ft. (10.97 m) H1 Max. = 7 ft. (2.13 m) H1 + H2 = Max. 15 ft. (4.57 m)
Propane •
Three 90° Elbows System
V
Minimum
H
Maximum
H1 + H2
Max.
1-1/2 ft.
457 mm
1 ft.
305 mm
2-1/4 in.
690 mm
3 ft.
914 mm
2 ft.
610 mm
4-1/2 ft.
1.37 m
4-1/2 ft.
1.37 m
3-1/2 ft.
1.07 m
7 ft.
2.13 m
6 ft.
1.83 m
6 ft.
1.83 m
9 ft.
2.74 m
V + H1 + H2 = Max. 36 ft. (10.97 m) H1= Max. 6 ft. (1.83 m) H1+H2 = Max. 9 ft. (2.74 m)
Butane •
Three 90° Elbows System
V
Minimum
H
Maximum
H1 + H2
Max.
1-1/2 ft.
457 mm
6 in.
150 mm
1 ft.
305 mm
3 ft.
914 mm
8 in.
230 mm
2 ft.
610 mm
4-1/2 ft.
1.37 m
1-1/4 in.
380 mm
2-1/2 ft.
760 mm
6 ft.
1.83 m
1-1/2 in.
457 mm
3-1/2 ft.
1.07 m
V + H1 + H2 = Max. 33 ft. (10.06 m) H1= Max. 1-1/2 ft. (457 mm) H1 + H2 = Max. 3-1/2 ft. (1.07 m)
