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Majestic • TRILLIANT25IN, TRILLIANT30IN, TRILLIANT35IN Installation Manual • 2571-980 Rev. B • 5/23
B. Using Vertical Restrictor
EXHAUST
AIR
VENT PIPE
TERMINATION
CAP
INLET AIR
VENT PIPE
V = 10 FT. MINIMUM
50 FT. MAXIMUM
NOTE: TO ACHIEVE OPTIMUM PERFOR-
MANCE OF INSERT, MINIMIZE OR AVOID
BENDS IN EXHAUST VENT PIPE.
EXHAUST
COLLAR
INLET
COLLAR
V=
10 ft. - 25 ft.
No adjustment needs to be done.
26 ft. - 35 ft.
Open 1 restrictor opening.
36 ft. - 50 ft.
Open both restrictor openings.
1 2
FRONT VIEW SHOWS RESTRICTORS IN THE OPEN POSITION AND BENT AT 90º
RESTRICTOR DOORS
Figure 5.3 Firebox Baffle
To open restrictors, push the restrictor doors upward.
The restrictor doors should be bent at a 90°. See Figure
5.3.
Figure 5.2
Min. / Max. Venting Requirement
When 20-25+ feet of vertical venting is used, vertical
restrictors will need to be adjusted. See Figure 5.2 and
5.3.
Opening restrictors will help reduce cold start or sooting
issues (cycling).
Appliance - 25 in. & 30 in.
V=
10 ft. - 20 ft.
No adjustment needs to be done.
21 ft. - 35 ft.
Open 1 restrictor opening.
36 ft. - 50 ft.
Open both restrictor openings.
Appliance - 35 in.
