Hearth and Home Technologies 3. Rear Vent - Horizontal Termination - (continued)

Heatilator • GDST4336I, GDFL4136I, GDCR4136I, GDCL4136I • 2129-900 Rev. F • 11/0834
3. Rear Vent - Horizontal Termination - (continued)
Two Elbows
Figure 7.15
Figure 7.16
Three Elbows
H2V1
H1
INSTALLED
HORIZONTALLY
H3H2
V1
H1
H1 Maximum V1 Minimum H2 Maximum H1+ H2 Maximum
1 ft. 305 mm Back to Back
90º Elbows 1 ft. 305 mm 2 ft. 610 mm
2 ft. 610 mm 6 in. 152 mm 2 ft. 610 mm 4 ft 1.2 m
3 ft. 914 mm 1 ft. 305 mm 2 ft. 610 mm 5 ft. 1.5 m
3 ft. 914 mm 2 ft. 610 mm 4 ft 1.2 m 7 ft. 2.1 m
3 ft. 914 mm 3 ft. 914 mm 9 ft. 2.7 m 12 ft. 3.7 m
3 ft. 914 mm 4 ft 1.2 m 18 ft. 5.5 m 20 ft.* 6.1 m*
V1+ H1+ H2= 40 ft (12.2 m) Maximum H1= 3 ft (914 mm) Maximum
*H1+ H2= 20 ft (6.1 m) Maximum
H1 Maximum V1 Minimum H2+ H3H1+ H2+ H3 Maximum
1 ft. 305 mm Back to Back
90º Elbows 1 ft. 305 mm 2 ft. 610 mm
2 ft. 610 mm 6 in. 152 mm 1.5 ft. 457 mm 3.5 ft. 1.1 m
3 ft. 914 mm 1 ft. 305 mm 2 ft. 610 mm 5 ft. 1.5 m
3 ft. 914 mm 2 ft. 610 mm 4 ft. 1.2 m 7 ft. 2.1 m
3 ft. 914 mm 3 ft. 914 mm 9 ft. 2.7 m 12 ft. 3.7 m
3 ft. 914 mm 4 ft. 1.2 m 12 ft. 3.7 m 15 ft. 4.6 m
V1+ H1+ H2+ H3= 40 ft (12.2 m) Maximum H1= 3 ft (94 mm) Maximum
H1+ H2+ H3= 15 ft (4.6 m) Maximum