Comfort Glow CGD3924PR Owner's Operating & Installation Manual page 10

INSTALLING
Continued
10
Minimum Non Combustible Material Clearances
If Not Using Mantel
Note: If using a mantel, go to page 11. If not using a mantel, follow the informa-
tion on this page.
You must have non combustible material(s) above the fireplace opening. Non
combustible materials (such as slate, marble, tile, etc.) must be at least 1/2 inch
thick. With sheet metal, you must have non combustible material behind it. Non
combustible material must extend at least 8" up (for all models). If non combus-
tible material is less than 12", you must install the fireplace hood accessory (24"
and 30" models only). See chart below and Figure 5 for minimum clearances.
IMPORTANT: If you cannot meet these minimum clearances, you must operate
heater with chimney flue damper open.
Non-Combustible
Material Distance (A)
12" or more
Between 8" and 12"
Less than 8"
Heat Resistant
Material
Figure 5 - Heat Resistant Material (Slate, Marble, Tile, etc.) Above Fireplace
Requirements for
Safe Installation
Non combustible material okay.
Install fireplace hood accessory (GA6050 or
GA6052, see Accessories, page 29).
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.
(A)
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