Heat & Glo • SL-36-Ultimate • 2141-900 Rev. i • 5/11
16
2. Top Vent - Vertical Termination
No Elbow
Figure 5.6
Figure 5.7
Two Elbows
V
1
H
T
V
T
V
1
= 40 ft. Max. (12.2 m)
* If the horizontal component is less than
5 feet then the total vent run can be
extended to 40 feet.
V
T
Min.
H
T
Max.
1 ft. 6 in.
3 ft.
2 ft. 6 in.
6 ft.
3 ft. 6 in.
9 ft.
4 ft.
10 ft.
4 ft. 6 in.
12 ft.
5 ft. 6 in.
15 ft.
6 ft. 6 in.
18 ft.
7 ft. 6 in.
21 ft.
H
T
= 21 ft. Max
V
T
= 40 ft. Max
V
T
+ H
T
= 30 ft. Max*
Note:
A section of vertical pipe (18 inches minimum)
MUST be installed prior to attaching a 90° elbow.
