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Majestic • DBDV36IN, DBDV36IL, DBDV42IN, DBDV42IL Installation Manual • 2397-980 Rev. B • 5/16
EXHAUST
BAFFLE
FLUE
RESTRICTOR
(SET ON EITHER TOP OR
REAR VENT
OPENING; SHOWN ON REAR)
Flue Restrictor Instructions
1. Remove exhaust baf
fl
e using a 1/4 inch nut driver by
removing the two screws securing it in place. See
Figure 4.14.
Figure 4.14
Table 4.1.
2. Match the amount of vertical you have in the system
with the chart to
fi
nd the appropriate position to set the
fl
ue restrictor. See Figure 4.15 and Table 4.1.
3. Center the two
fl
ue restrictor pieces on the vent at the
setting selected in step 3 and secure in place by using
two self-tapping screws. See Figure 4.14.
4. Reinstall the exhaust shield.
Top Vent - Vertical Termination (continued)
Note
: If the DVP-2SL or DVP-SLP24 adapter is used with
SLP pipe, you MUST subtract one number from the table
in Figure 7.9.
Example:
Top vent 40 ft vertical with DVP pipe = 4-4
Top vent 40 ft vertical with SLP pipe = 3-3
1 2 3 4 5
5 4 3 2 1
ALWAYS USED WITH THE
HOLES TO THE LEFT
ALWAYS USED WITH THE
HOLES TO THE RIGHT
FLUE RESTRICTOR SET TO 4-4
4 5
5 4 3 2 1
Figure 4.15. Setting the Flue Restrictor
Vertical
TOP VENT
REAR VENT
NG
LP
NG
LP
10 ft.
1-1
No
Restrictor
No
Restrictor
No
Restrictor
20 ft.
2-2
1-1
1-1
No
Restrictor
30 ft.
3-3
2-2
2-2
1-1
40 ft.
4-4
3-3
3-3
2-2
