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Top Vent - Vertical Termination
No Elbow
V
= 50 ft. Max. (15.2 m)
1
V
= 3 ft. Min. (914 mm)
1
Note: If installing a vertical vent/termination off the top of the
appliance, the fl ue restrictor should be used.
V
1
Figure 7.6
Installing the fl ue restrictor
FLUE RESTRICTOR
Figure 7.7
1. Note location of fl ue restrictor (see Figure 7.7). Break
the fl ue restrictor into two pieces. Do this by bending the
part back and forth until it breaks (see Figure 7.8).
BREAK
HERE
Figure 7.8 fl ue restrictor
2. Match the amount of vertical in the system with the chart
to fi nd the appropriate position to set the fl ue restrictor
(see Figure 7.9).
- CHART -
Top Vent
Top Vent
Vertical
NG
LP
4’
1-1
No Restrictor
8’
2-2
1-2
15’
3-3
3-2
20’
3-4
3-3
25’
3-4
3-3
30’
4-4
3-4
35’
4-4
3-4
40’
5-4
4-4
45’
5-4
4-4
50’
5-4
4-4
Figure 7.9
3. Center the fl ue restrictor on vent and secure in place
by using two self-tapping screws (see Figure 7.10).
1
2
3
4 5
SETTING
1
2
3
4 5
Figure 7.10
Page 26
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