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104307
UNVENTED PROPANE/LP GAS LOG HEATER
CGD3924PR, CGB3924PR and CGB3930PR
INSTALLATION
Continued
Heat Resistant
Material
(A)
Minimum Non-Combustible
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 non-combustible material(s)
above the fireplace opening. Non-combus-
tible materials (such as slate, marble, tile,
etc.) must be at least 1/2 inch thick. With
sheet metal, you must have non-combus-
tible material behind it. Non-combustible
material must extend at least 8" up (for all
models). If non-combustible material is less
than 12", you must install the fireplace hood
accessory (24" and 30" models only). See
Figure 5 for minimum clearances.
IMPORTANT:
If you cannot meet these
minimum clearances, you must operate
heater with chimney flue damper open.
If Using Mantel
You must have non-combustible material(s)
above the fireplace opening. Non-combus-
tible materials (such as slate, marble, tile,
etc.) must be at least 1/2 inch thick. With
sheet metal, you must have non-combus-
tible material behind it. Non-combustible
material must extend at least 8 inches up (for
all models). If non-combustible material is
less than 12", you must install the fireplace
hood accessory (24" and 30" models only).
Even if non-combustible material is more
than 12", you may need the hood accessory
to deflect heat away from your mantel shelf.
See Figure 5 and Figures 6 and 7on page 9
for minimum clearances.
IMPORTANT:
If you cannot meet these
minimum clearances, you must operate
heater with chimney flue damper open.
Non-Combustible Requirements for
Material Distance (A) Safe Installation
12" or more Non-combustible material okay.
Between 8" and 12" Install fireplace hood accessory (GA6050, GA6052,
or GA6053, see
Accessories,
page 21).
Less than 8" Non-combustible 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.
Figure 5 - Heat Resistant Material (Slate,
Marble, Tile, etc.) Above Fireplace