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NOTE: When installing your gas logs into
a manufactured fi rebox, follow fi rebox
manufacturer's instructions for minimum
clearances to combustible materials.
B. Clearances from the top of the fi replace
opening to the ceiling should not be less
than 42".
Example
*Minimum 16" from Side Wall
Figure 4 - Minimum Clearance for
Combustible to Wall
Minimum Noncombustible Material
Clearances
If Not Using Mantel
NOTE: If using a mantel proceed to If Using
Mantel. If not using a mantel, follow these
instructions.
You must have noncombustible material(s)
above the fi replace opening. Noncombustible
materials (such as slate, marble, tile, etc.) must
be at least 1/2" thick. With sheet metal, you
must have noncombustible material behind
it. Noncombustible material must extend at
least 8" up (for all models). If noncombustible
material is less than 12", you must install the
fi replace hood accessory (24" and 30" Models
Only). See Figure 5 for minimum clearances.
Noncombustible
Requirements for Safe
Material Distance (A)
Installation
12" or more
Noncombustible material
OK.
Between 8" and 12"
24" or 30" Models: Install
fi replace hood accessory
(GA6050 - see Accesso-
ries, Page 46).
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 can-
not extend material, you
must operate appliance
with fl ue damper open.
10
INSTALLATION
Continued
Figure 5 - Heat Resistant Material (Slate,
Marble, Tile, etc.) Above Fireplace
If Using Mantel
You must have noncombustible material(s)
above the fi replace 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 fi replace hood accessory (24"
and 30" Models Only). Even if noncombustible
material is more than 12", you may need the
hood accessory to defl ect heat away from
your mantel shelf. See Figures 5 and 6 and
Figure 7, Page 11, for minimum clearances.
MANTEL CLEARANCES
In addition to meeting noncombustible mate-
rial clearances, you must also meet required
clearances between fi replace 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 fi replace opening, a
hood is not required (see Figure 6).
Minimum Non-
Combustible
Material
Figure 6 - Minimum Mantel Clearances
SuperiorFireplaces.US.com
Heat Resistant
Material
(A)
Mantel Shelf
10"
8"
6"
1 /2
2
"
(A)
12"
18"
20"
22"
24"
8"
14"
17"
19"
20"
Minimum Non-
Distances to
Combustible
Underside of
Material Height
Mantel
Without Using Hood
126818-01C
Underside of
Mantel Shelf
All minimum
distances are
in inches
Log Set
24"/30" Models
18" Model
Top of Fireplace
Opening
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