Hearth and Home Technologies B-Vent Gas Appliance CB4842MIR - Manual (Page 29)

Heatilator • Caliber Mesh BV Series • 4040-848 Rev G • 10/08 29
Measured from top of hood (in inches)
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
5
5-1/2
6-1/4
7
7-3/4
8-1/2
9-1/4
10
10-3/4
11-1/2
12-1/4
13
13-3/4
14-1/2
15-1/4
16
30 in. minimum
to ceiling
1 in. (25 mm) min.
to perpendicular wall A
3-1/2 in. (89 mm) min.
from fireplace opening
to perpendicular wall B
Mantel Leg or
Perpendicular Wall
Top of
Appliance
Drywall
A
B
13 13
Finishing
A. Mantel and Wall Projections
WARNING! Risk of Fire! Comply with all minimum clear-
ances as specifi ed. Framing closer than the minimums
listed must be constructed entirely of noncombustible
materials (i.e., steel studs, concrete board, etc.) Failure to
comply could cause fi re.
Figure 13.1 Minimum Vertical and Maximum Horizontal Dimen-
sions
Mantels
Figure 13.2 Mantel Leg or Wall Projections (Acceptable on both
sides of opening)
Mantel Legs or Wall Projections
These surfaces
may be covered
with non-combustible
material.
Non-combustible
sealant.
B. Facing Material
• Metal front faces may be covered with non-combustible
materials only.
• Facing and/or fi nishing materials must not interfere with
air fl ow through louvers, operation of louvers or doors,
or access for service.
• Facing and/or fi nishing materials must never overhang
into the glass opening.
• Observe all clearances when applying combustible
materials.
• Seal joints between the fi nished wall and appliance top
and sides using a 300 °F minimum sealant. Refer to
Figure 13.3.
WARNING! Risk of Fire! DO NOT apply combustible ma-
terials beyond the minimum clearances. Comply with all
minimum clearances to combustibles as specifi ed in this
manual. Overlapping materials could ignite and will inter-
fere with proper operation of doors and louvers.
Figure 13.3 Noncombustible Facing Diagram