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124972-01C
11
INSTALLATION
Continued
Heat Resistant
Material
(A)
Figure 5 - Heat Resistant Material (Slate,
Marble, Tile, etc.) Above Fireplace
Noncombustible
Material
Distance (A)
Requirements for Safe
Installation
12" or more
Noncombustible mate-
rial OK.
Between 8" and 12"
24" Models: Install fire
-
place hood accessory
(GA6050 or GA6053
see
Accessories
, page
40).
Less than 8"
Noncombustible mate-
rial must be extended
to at least 8". See
Between 8" and 12"
,
above. If you cannot ex-
tend material, you must
operate heater with flue
damper open.
MINIMUM NONCOMBUSTIBLE
MATERIAL CLEARANCES
If Not Using Mantel
Note: If using a mantel proceed to If Using
Mantel. If not using a mantel, follow the infor-
mation on this page.
You must have noncombustible material(s)
above the fireplace opening. Noncombus
-
tible materials (such as slate, marble, tile,
etc.) must be at least 1/2" thick. With sheet
metal, you must have noncombustible ma
-
terial behind it. Noncombustible material
must extend at least 8" up (for all models).
If noncombustible material is less than 12",
you must install the fireplace hood accessory
(24" and 30" Models Only). See Figure 5 for
minimum clearances.
If Using Mantel
You must have noncombustible material(s)
above the fireplace opening. Noncombus
-
tible materials (such as slate, marble, tile,
etc.) must be at least 1/2" thick. With sheet
metal, you must have noncombustible ma
-
terial behind it. Noncombustible material
must extend at least 8" up (for all models).
If noncombustible material is less than 12",
you must install the fireplace hood acces
-
sory. Even if noncombustible material is more
than 12", you may need the hood accessory
to deflect heat away from your mantel shelf.
See Figures 5 and 6 and Figure 7, page 9,
for minimum clearances.
IMPORTANT:
If you cannot meet these mini-
mum clearances, you must operate heater
with chimney flue damper open. Go to
Install-
ing Damper Clamp Accessory for Vented
Operation
, page 12.
MANTEL CLEARANCES
In addition to meeting noncombustible mate-
rial clearances, you must also meet required
clearances between fireplace opening and
mantel shelf. If you do not meet the clearances
listed below, you will need a hood.
Determining Minimum Mantel Clearance
If you meet minimum clearance between
mantel shelf and top of fireplace opening, a
hood is not required (see Figure 6).
Figure 6 - Minimum Mantel Clearances
Without Using Hood
Minimum
Noncombustible
Material
Minimum
Noncombustible
Material Height
Distances to
Underside of
Mantel
Top of
Fireplace
Opening
Underside of
Mantel Shelf
12"
(A)
18" 20" 22" 24"
All minimum
distances are
in inches
Log Set
24"
2 1/2"
6"
8"
10"
Mantel Shelf
