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125566-01C
10
INSTALLATION
Continued
Noncombustible
Material Distance
(A)
Requirements for
Safe Installation
12" or more
Noncombustible mate-
rial OK.
Between 8" and 12" 24" or 30" Models:
Install fireplace hood
accessory (GA6050 or
GA6053 see
Accesso-
ries
, page 44).
18" Model: Noncom-
bustible material OK.
Less than 8"
Noncombustible mate-
rial 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.
Figure 4 - Minimum Clearance for
Combustible to Wall
*Minimum 16" from Side Wall
*
Example
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 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 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" and 30"
Models Only). See Figure 5 for minimum
clearances.
LOG SIZING REQUIREMENTS
Log
Size
Minimum Firebox Size
Height Depth
Front
Width
Rear*
Width
18"
20"
14"
28"
20"
24"
20"
14"
32"
22"
30"
20"
14"
40"
30"
Carefully follow the instructions below. This
will ensure safe installation into a masonry,
UL127-listed manufactured fireplace or listed
vent-free firebox.
Minimum Clearances For Side Combustible
Material, Side Wall and Ceiling
A. Clearances from the side of the fireplace
cabinet to any combustible material and
wall should follow diagram in Figure 4,
page 10.
Example:
The face of a mantel, bookshelf,
etc. is made of combustible material
and protrudes 3
1
/
2
" from the wall. This
combustible material must be 4" from the
side of the fireplace cabinet (see Figure
4, page 10).
Note: When installing your gas logs into
a manufactured firebox, follow firebox
manufacturer’s instructions for minimum
clearances to combustible materials.
B. Clearances from the top of the fireplace
opening to the ceiling should not be less
than 42".
INSTALLATION AND CLEARANCES
FOR VENT-FREE OPERATION
WARNING: Maintain the
minimum clearances. If you can,
provide greater clearances from
floor, ceiling and adjoining wall.
MINIMUM FIREPLACE CLEARANCE TO
COMBUSTIBLE MATERIALS
Side Wall 16", Ceiling 42"
Floor 5", Front: 36"