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114668-01F
10
INSTALLATION
Continued
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 side of fireplace cabinet
to any combustible material and wall
should follow diagram in Figure 4.
Example:
The face of a mantel, bookshelf,
etc. is made of combustible material and
protrudes 3
1
/
2
" from the wall. This com
-
bustible material must be 4" from the side
of the fireplace cabinet (see Figure 4).
Note: When installing your gas logs into
a manufactured firebox, follow firebox
manufacturer’s instructions for minimum
clearances to combustible materials.
B. Clearances from top of fireplace opening
to ceiling should not be less than 42".
NOTICE: Manual control heaters
may be used as a vented product.
If so, you must always run heater
with chimney flue damper open.
If running heater with damper
open, noncombustible material
above fireplace opening is not
needed. Go to
Installing Damper
Clamp Accessory for Vented
Operation
, page 12.
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, page 11. If not using a mantel, follow
the information on this page.
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. If noncombustible material is less than
12", you must install the fireplace hood acces
-
sory. See Figure 5 for minimum clearances.
Heat Resistant
Material
(A)
Figure 5 - Heat Resistant Material (Slate,
Marble, Tile, etc.) Above Fireplace
Noncombustible
Material Distance
(A)
Requirements for Safe
Installation
12" or more
Noncombustible mate-
rial OK.
Between 8" and 12"
Install fireplace hood
accessory (GA6050,
GA6052 or GA6053 see
Accessories
, page 34).
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.