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Heat & Glo • Escape-42DV • 2052-900 Rev. R • 10/0816
2. Top Vent - Vertical Termination
No Elbow
Figure 5.6
Figure 5.7
Two Elbows
V
1
V
1
= 50 ft. Max. (15.2 m)
V
1
= 3 ft. Min. (914mm)
FLUE
RESTRICTOR
FLUE RESTRICTOR
NOTE: A fl ue restrictor can
only be used in vent runs that
include no elbows and exceed
30 ft. total of straight vertical.
V
1
H
1
V
2
2 ft 610 mm 1 ft 305 mm *
3 ft 914 mm 3 ft 914 mm *
4 ft 1.2 m 4 ft 1.2 m *
5 ft 1.5 m 9 ft 2.7 m *
6 ft 1.8 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 60 ft (18.3 m).
After V
1
= 6 ft, then H
1
Max.= V
1
x 2
Note: Must have a 24 inches
minimum vertical vent before
attaching any elbow to the unit.
NOTE: A fl ue restrictor can
only be used in vent runs that
include no elbows and exceed
30 ft. total of straight vertical.