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Heat & Glo • 8000CF-OAK-IPI • 2059-900 Rev. Q • 11/08 27
Figure 7.11
Two Elbows
H
1
V
1
V
2
V
1
H
1
Maximum V
2
V
1
+ V
2
Minimum
1 ft. 305 mm 3 ft. 914 mm * * *
2 ft. 610 mm 6 ft. 1.8 m * * *
4 ft. 1.2 m 12 ft. 3.7 m * * *
V
1
+ V
2
+ H
1
= 50 ft. (15.2 m) Max.
*No specifi c restrictions on this value EXCEPT
V
1
+ V
2
+ H
1
cannot exceed 50 ft. (15.2 m)
V
1
= 1 ft. (305 mm) Min.
Three Elbows
INSTALLED
HORIZONTALLY
H
1
H
2
V
1
V
2
V
1
H
1
+ H
2
V
2
V
1
+ V
2
Minimum H
1
+ H
2
Maximum
1 ft. 305 mm 3 ft. 914 mm * * * 3 ft. 914 mm
2 ft. 610 mm 6 ft. 1.8 m * * * 6 ft. 1.8 m
4 ft. 1.2 m 12 ft. 3.7 m * * * 12 ft. 3.7 m
H
1
+ H
2
= 17 ft. (5.2 m) Maximum
V
1
+ V
2
+ H
1
+ H
2
= 50 ft. (15.2 m) Maximum
V
1
= 1 ft. (305 mm) Minimum
Top Vent - Vertical Termination - (continued)
Figure 7.12