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INSTALLING
Continued
Continued
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, non-combustible material
above fireplace opening is not needed. Go to
Installing Damper
Clamp Accessory for Vented Operation,
page 14.
Minimum Non Combustible Material Clearances
If Not Using Mantel
Note:
If using a mantel, go to page 12. 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"
model only). See chart below and Figure 4 page 10 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 14.
Non-Combustible Requirements for
Material Distance (A) Safe Installation
12" or more Non combustible material OK.
Between 8" and 12" 24" Model: Install fireplace hood accessory (GA6050
or GA6052, see
Accessories,
page 34).
18" Model: Non combustible material OK.
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
Heat Resistant
Material
(A)