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119921-01F
10
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 below.
You must have noncombustible material(s)
above the fireplace opening. Noncombustible
materials (such as slate, marble, tile, etc.) must
be at least 1/2" thick. With sheet metal, you
must have noncombustible material behind it.
Noncombustible material must extend at least
8" up. If noncombustible material is less than
12", you must install the fireplace hood acces-
sory. See Figure 5 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.
Heat Resistant
Material
(A)
Noncombus
-
tible Material
Distance (A)
Requirements for Safe
Installation
12" or more
Noncombustible material
okay.
Between 8"
and 12"
I n s t a l l f i r e p l a c e h o o d
( G A 6 0 5 0 , G A 6 0 5 2 o r
GA6053, see
Accessories
,
page 29).
Less than 8"
Noncombustible 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
INSTALLATION
Continued
If Using Mantel
You must have noncombustible material(s)
above the fireplace opening. Noncombustible
materials (such as slate, marble, tile, etc.)
must be at least 1/2" thick. With sheet metal,
you must have noncombustible material be-
hind it. Noncombustible material must extend
at least 8" up. If noncombustible material is
less than 12", you must install the fireplace
hood accessory. Even if noncombustible
material is more than 12", you may need the
hood accessory to deflect heat away from
your mantel shelf. See Figure 5 and Figures 6
and 7 on page 11 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 Clearances
If you meet minimum clearance between man-
tel shelf and top of fireplace opening, a hood
is not required (see Figure 6, page 11).
Determining Minimum Mantel Clearances
When Using a Hood
If minimum clearances in Figure 6, page 11
are not met, you must have a hood. When
using a hood there are still certain minimum
mantel clearances required. Follow minimum
clearances shown in Figure 7, page 11 when
using hood.
NOTICE: Surface temperatures
of adjacent walls and mantels
become hot during operation.
Walls and mantels above the
firebox may become hot to
the touch. If installed properly,
these temperatures meet the
requirements of the national
product standard. Follow all
minimum clearances shown in
this manual.