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Hearth & Home Technologies • B41L-AU Installation Manual • 2570-980 Rev. C • 7/20
Combustible Mantels
Combustible and Non-Combustible Mantel Legs
or Wall Projections
Combustible and Non-Combustible Mantel Legs
or Wall Projections
MEASUREMENTS FROM
TOP EDGE OF THE OPENING
TO CEILING
See Dimension S on Appliance
Dimension Diagram (Figure 3.1).
(152 mm)
(76 mm)
3 in.
6 in.
(229 mm)
9 in.
(305 mm)
12 in.
(229 mm)
9 in.
(279 mm)
11 in.
13 in.
(330 mm)
14 in.
(356 mm)
Figure 10.3 Minimum Vertical and Maximum Horizontal
Dimensions of Combustibles
C. Mantel and Wall Projections
WARNING! Risk of Fire!
Comply with all minimum clear-
ances as specified. Framing closer than the minimums list
-
ed must be constructed entirely of non-combustible materi-
als (i.e., steel studs, concrete board, etc.).
Note:
Measurement is taken from top of the
opening, NOT the top of the fireplace.
Figure 10.7 Combustible and Non-Combustible Mantel Leg or
Wall Projections
(Acceptable on both sides of opening)
Note:
All measurements in
millimeters
12 IN.MAX.
(305 mm)
1/2 IN. (13 mm)
THICK WALL
SHEATHING
14 IN. (356 mm) MIN. BOTTOM OF
MANTEL TO TOP OF APPLIANCE
OPENING
NON-COMBUSTIBLE
MANTEL
6 IN. MAX
(152 mm)
NON-
COMBUSTIBLE
MANTEL
APPLIANCE OPENING
Non-Combustible Mantels
Figure 10.5 Minimum Vertical and Maximum Horizontal
Dimensions of Non-Combustibles
Note:
All measurements in
inches.
Figure 10.6 Combustible and Non-Combustible
Mantel Leg or Wall Projections
(Acceptable on both sides of opening)
Note
: Clearance
from opening to
perpendicular wall.
WALL
3 FT. (914 mm)
MAX.
6 IN.
(152 mm)
MIN.
APPLIANCE OPENING
See Dimension B on Appliance
Dimension Diagram (Figure 3.1).
WALL
UNLIMITED
7 IN.
(178 mm)
MIN.
APPLIANCE OPENING
See Dimension B on Appliance
Dimension Diagram (Figure 3.1).
Note
: Clearance
from opening to
perpendicular wall.
MEASUREMENTS FROM
TOP EDGE OF THE OPENING
TO CEILING
See Dimension S on Appliance
Dimension Diagram (Figure 3.1).
(305 mm)
12 in.
(229 mm)
9 in.
(152 mm)
6 in.
(76 mm)
3 in.
(152 mm)
6 in.
(203 mm)
8 in.
(254 mm)
10 in.
(279 mm)
11 in.
Figure 10.4 Minimum Vertical and Maximum Horizontal
Dimensions of Combustibles
Combustible Mantels - Passive Heat Kit Installed
Note:
All measurements in
millimeters