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126829-01C
11
INSTALLATION
Continued
Figure 5 - Heat Resistant Material (Slate,
Marble, Tile, etc.) Above Fireplace
MINIMUM NONCOMBUSTIBLE
MATERIAL CLEARANCES
If Not Using Mantel
NOTE
: If using a mantel proceed to If Using
Mantel. If not using a mantel, follow the infor-
mation on this page.
You must have noncombustible material(s)
above the fireplace opening. Noncombus
-
tible materials (such as slate, marble, tile,
etc.) must be at least 1/2" thick. With sheet
metal, you must have noncombustible ma
-
terial behind it. Noncombustible material
must extend at least 8" up (for all models). If
noncombustible material is less than 12", you
must install the fireplace hood accessory (24",
30" and 36" Models Only). See
Figure 5
for
minimum clearances.
If Using Mantel
You must have noncombustible material(s)
above the fireplace opening. Noncombustible
materials (such as slate, marble, tile, etc.)
must be at least 1/2" thick. With sheet metal,
you must have noncombustible material be-
hind it. Noncombustible material must extend
at least 8" up (for all models). If noncombus-
tible material is less than 12", you must install
the fireplace hood accessory (24", 30" and
36" Models Only). Even if noncombustible
material is more than 12", you may need the
hood accessory to deflect heat away from
your mantel shelf. See
Figures 5
and
6
and
Figure 7, Page 12
, for minimum clearances.
IMPORTANT
:
If you cannot meet these
minimum clearances, you must operate
heater with chimney flue damper open. Go
to
Installing Damper Clamp Accessory for
Vented Operation
,
Page 12
.
MANTEL CLEARANCES
In addition to meeting noncombustible mate-
rial clearances, you must also meet required
clearances between fireplace opening and
mantel shelf. If you do not meet the clearances
listed below, you will need a hood.
Determining Minimum Mantel Clearance
If you meet minimum clearance between
mantel shelf and top of fireplace opening, a
hood is not required
(see
Figure 6
).
Figure 6 - Minimum Mantel Clearances
Without Using Hood
Heat Resistant
Material
(A)
Minimum
Noncombustible
Material
Minimum
Noncombustible
Material Height
Distances to
Underside of
Mantel
Top of
Fireplace
Opening
Underside of
Mantel Shelf
12"
8"
(A)
18"
14"
20"
17"
22"
19"
24"
20"
All minimum
distances are
in inches
Log Set
24"/30"/36"
Models
18" Model
2 1/2"
6"
8"
10"
Mantel Shelf
Noncombustible
Material
Distance (A)
Requirements for Safe
Installation
12" or more
Noncombustible material
OK.
Between 8" and 12"
24", 30" or 36" Models:
Install fireplace hood ac
-
cessory (GA6050 - see
Accessories
,
Page 34
)
.
18" Model: Noncombus-
tible material OK.
Less than 8"
Noncombustible material
must be extended to at
least 8". See
Between
8" and 12"
, above. If you
cannot extend material,
you must operate heater
with flue damper open.
Minimum clearance requirements include any projections such
as shelves, window sills, mantels, etc. above the appliance.