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124531-01C
10
Minimum
Noncombustible
Material
Minimum
Noncombustible
Material Height
Distances to
Underside of
Mantel
Top of
Fireplace
Opening
Underside
of Mantel
Shelf
Mantel Shelf
12"
(
A
)
18" 20" 22" 24"
All
minimum
distances
are in
inches
2
1
/
2
"
6"
8"
10"
INSTALLATION
Continued
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must have noncombustible material behind it.
Noncombustible material must extend at least
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page 11 for minimum clearances.
MANTEL CLEARANCES
In addition to meeting noncombustible mate-
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mantel shelf. If you do not meet the clearances
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hood is not required (see Figure 6).
Figure 6 - Minimum Mantel Clearances
Without Using Hood
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MATERIAL CLEARANCES
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Note: If using a mantel, proceed to If Using
Mantel. If not using a mantel, follow the infor-
mation below.
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you must have noncombustible material be-
hind it. Noncombustible material must extend
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for minimum clearances.
Heat Resistant
Material
(A)
Figure 5 - Heat Resistant Material (Slate,
Marble, Tile, etc.) Above Fireplace
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Installation
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Noncombustible mate-
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-
place hood accessory
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Accessories
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Noncombustible material
must be extended to at
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Between
8" and 12"
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you must operate heater
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damper clamp installed.