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102991
Heat Resistant
Material
(A)
INSTALLING
Continued
NOTICE
You may use this heater as a vented product. If so, you must
always run heater with chimney flue damper open. If running
heater with damper open, non-combustible material above fire-
place opening is not needed. Go to
Installing Damper Clamp
Accessory for Vented Operation,
page 13.
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. Go to Installing Damper Clamp Accessory
for Vented Operation, page 13.
Non-Combustible Requirements for
Material Distance (A) Safe Installation
12" or more Non combustible material okay.
Between 8" and 12" 24" or 30" Models: Install fireplace hood acessory
(GA6050 or GA6052, see
Accessories,
page 33).
18" Model: Non combustible material okay.
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