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Heat & Glo • Cerona-36, Cerona-42 • 2106-900 Rev. Q • 8/14
34
D. Installing Flue Restrictors
Locate the flue restrictor and two screws inside the manual
bag. Use the following table to determine which restrictors
to use for the vent run.
Vent Run Vertical
15 ft. - 50 ft.
Cerona-36
1-1/4
Cerona-42
1-1/4
Figure 9.5
BOTTOM
OF FIREPLACE
TOP OF
FIREPLACE
EXHAUST
COLLAR
EXHAUST
PORT
SCREWS
FIREBOX
FLUE
RESTRICTOR
FLUE
RESTRICTOR
FLAPPER
DOOR
FLAPPER
DOOR
EXHAUST
COLLAR
EXHAUST
PORT
SCREWS (2)
Mount the flue restrictor to the flapper door using two
screws (see Figure 9.5).