Heatilator • GDST4336I, GDFL4136I, GDCR4136I, GDCL4136I • 2129-900 Rev. F • 11/08 35
4. Rear Vent - Vertical TerminationOne Elbow
Figure 7.17
Two Elbows
Figure 7.18
V1
H1
INSTALLED
HORIZONTALLY
H2
V2
H1
V1 Minimum H1 Maximum
6 in. 152 mm 2 ft. 610 mm
1 ft. 305 mm 3 ft. 914 mm
2 ft. 610 mm 5 ft. 1.5 m
3 ft. 914 mm 7 ft. 2.1 m
4 ft. 1.2 m 8 ft 2.4 m
5 ft. 1.5 m 8 ft 2.4 m
V1+ H1 = 40 ft (12.2 m) Maximum
H1 = 8 ft (2.4 m) Maximum
H1+ H2 Maximum V1 Minimum
Back to Back 90° Elbows 3 ft. 914 mm
2 ft 610 mm 6 ft. 1.8 m
4 ft 1.2 m 9 ft. 2.7 m
6 ft. 1.8 m 12 ft. 3.7 m
8 ft. 2.4 m 15 ft. 4.6 m
V1+ H1= 40 ft (12.2 m) Maximum
H1+ H2= 8 ft (2.4 m) Maximum