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108382-01G 9
MINIMUM FIREPLACE CLEARANCE
Side Wall
16" 42"
Size
Width
27" 17" 19" 32"
Carefully follow the instructions below. This will
ensure safe installation into a masonry, UL127-listed
manufactured replace, or listed vent-free rebox.
A. Clearances from the side of the 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 combus-
tible material must be 4" from the side of the
replace 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 the top of the replace opening
to the ceiling should not be less than 42".
NOTICE: Manual control heaters
If so, you must always run heater
Installing Damper
Clamp Accessory for Vented
Operation
INSTALLATION
Continued
Figure 4 - Minimum Clearance for
Combustible to Wall
*Minimum 16" from Side Wall
*
Example
Figure 5 - Heat Resistant Material (Slate,
Marble, Tile, etc.) Above Fireplace
MATERIAL CLEARANCES
Note: If using a mantel, proceed to If Using
Mantel, page 10 If not using a mantel, follow the
information below.
You must have noncombustible material(s) above
both replace openings. Noncombustible materi-
als (such as slate, marble, tile, etc.) must be at
least 1/2" thick. With sheet metal, you must have
noncombustible material behind it. Noncombus-
tible material must extend at least 8" up (for all
models). If noncombustible material is less than
12", you must install the replace hood accessory.
See Figure 5 for minimum clearances.
IMPORTANT: If you cannot meet these minimum
clearances, you must operate heater with chimney
ue damper open. Go to Installing Damper Clamp
Accessory for Vented Operation, page 11.
Safe Installation
12" or more Noncombustible
material OK.
Between 8" and 12" Install replace hood
accessory (GA6050,
GA6052, or GA6053
see Accessories,
page 25).
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
ue damper open.