Hearth and Home Technologies CERONA-42 owner manual Installing Flue Restrictors

•Attach the left and right side pieces to the framing members. (See Figure 7.3).

NON-COMBUSTIBLE

FACING MATERIAL

B

1in.

(25 mm)

A

		A	B
Cerona-36	in.	43-5/8	50-3/16
	mm	1108	1275
Cerona-42	in.	50-5/8	54-3/8
	mm	1286	1381

Figure 7.4 Complete Installation of Non-combustible Facing Material

•Use a wet or dry towel or soft brush to remove dust or dirt from facing material.

•Apply a non-combustible adhesive to attach tile, stone or other non-combustible finishing materials per manufacturer’s instructions.

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

Mount the flue restrictor to the flapper door using two screws (see Figure 7.5).

EXHAUST			FLUE
COLLAR
			RESTRICTOR
FIREBOX
TOP OF			FLAPPER
FIREPLACE	EXHAUST		DOOR
	PORT
		EXHAUST	FLUE
		COLLAR
			RESTRICTOR
		SCREWS
			FLAPPER
			DOOR
		SCREWS (2)
	BOTTOM
	OF FIREPLACE		EXHAUST
			PORT
Figure 7.5

Heat & Glo • Cerona-36, Cerona-42 • 2106-900 Rev. H • 11/08 23