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900555-00 NC
8
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 combus-
tible material and protrudes 3-1/2" from the wall. This combustible
material must be 4" from side of fireplace opening
(see
Figure 4
)
.
NOTE
: When installing your gas logs into a manufactured firebox,
follow firebox manufacturer’s instructions for minimum clear-
ances to combustible materials.
B. Clearances from top of fireplace opening to ceiling should not be
less than 42".
INSTALLATION
Continued
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 the information below.
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 accessory (24" models only). See
Figure 5
for minimum
clearances.
WARNING: Maintain the minimum clearances.
If you can, provide greater clearances from floor,
ceiling and adjoining wall.
WARNING: This appliance is equipped for either
natural gas or propane/LP gas but not both. Gas type
is indicated on the rating plate. Field conversion is
not permitted.
CHECK GAS TYPE
Use the correct gas type (natural or propane/LP) for your unit. If your
gas supply is not correct, do not install heater. Call dealer where you
bought heater for proper type heater.
INSTALLATION AND CLEARANCES (Vent-Free Operation Only)
MINIMUM FIREPLACE CLEARANCE
TO COMBUSTIBLE MATERIALS
Side Wall 16", Ceiling 42"
LOG SIZING REQUIREMENTS
Log Size
Minimum Firebox
Height
Depth
Front Width
Rear
Width*
18"
17"
14"
24"
20"
24"
17"
14"
28"
21"
* Measured at 14" depth.
Carefully follow the instructions below. This will ensure safe installa-
tion into a masonry, UL127-listed manufactured fireplace or certified
vent-free firebox.
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.
Noncombustible
Material Distance (A)
Requirements for Safe Installation
12" or more
Noncombustible material okay.
Between 8" and 12"
24" Models: Install fireplace hood accessory
(GA6050, see Accessories,
page 26
)
.
18" Model: Noncombustible material okay.
Less than 8"
oncombustible 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.
