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7
103573
OWNER’S MANUAL
IMPORTANT:
Vent-free gas log heaters add
moisture to the air. Although this is beneficial,
installing firebox in rooms without enough
ventilation air may cause mildew to form
from too much moisture. See Air for Combus-
tion and Ventilation, pages 4 through 6.
IMPORTANT:
Make sure the firebox is level.
If firebox is not level, log set will not work
properly.
INSTALLATION
CLEARANCES
WARNING: Maintain the mini-
mum clearances. If you can, pro-
vide greater clearances from
floor, ceiling, and adjoining wall.
Carefully follow the instructions below. This
will ensure safe installation.
Minimum Wall and Ceiling
Clearances (see Figure 6)
A. Clearances from the side of the fire-
box opening to any combustible wall
should not be less than 16 inches for a
cabinet mantel or 12 inches for a cor-
ner installation.
B. Clearances from the top of the firebox
opening to the ceiling should not be less
than 42 inches.
C. When the firebox is installed directly
on carpeting, or other combustible ma-
terial, other than wood flooring, the
firebox should be installed on a metal
or wood panel extending the full width
and depth of the enclosure.
Mantel Clearances for Built-In
Installation
If placing custom mantel above built-in
firebox, you must meet minimum clearance
between mantel shelf and top of firebox
opening.
Figure 7 - Minimum Mantel Clearances
for Built-In Installation
If your installation does not meet the above
minimum clearances, you must:
• raise the mantel to an acceptable height,
OR
• remove the mantel.
42"
16"
Face or
Cabinet
Mantel
Corner
Mantel
12"
Floor - 0"
Mantel Clearances for
Conventional Installation
Figure 6 - Minimum Clearance to Wall and
Ceiling
Note:
Clearances
are the same if
using optional
cabinet mantel or
built-in Installation.
MINIMUM
CLEARANCE
Side Wall - 16 "
Ceiling - 42"
Floor - 0"
Continued
Supplied
Firebox Hood
Must Be Used
at All Times
Wire-mesh
Screen
Firebox
Mantel Shelf
13" 16" 19" 21"
2
1
/2
"
6"
8"
10"
For CGFB32C
Series circulating
louvered models
only
Note
:
All vertical measurements
are from top of fireplace
opening to bottom of mantel
shelf. All measurements
are in inches.
Facing material (above
firebox) may be of
combustible material,
including decorative
mantel ornaments.
INSTALLATION
NOTICE: This firebox in combi-
nation with unvented logsets are
intended for use as supplemen-
tal heat. Do not install them as
your primary heat source. If you
have a central heating system,
you may run system’s circulat-
ing blower while using unvented
logs. This will help circulate the
heat throughout the house. In the
event of a power outage, you can
use unvented logs as your pri-
mary heat source.
WARNING: A qualified ser-
vice person must install firebox.
Follow all local codes.
WARNING: Never install the
firebox
• in a bedroom or bathroom
• in a recreational vehicle
• where curtains, furniture, cloth-
ing, or other flammable objects
are less than 42 inches from the
front, top, or sides of the firebox
• in high traffic areas
• in windy or drafty areas
CAUTION: Log heaters in-
stalled in this firebox create warm
air currents. These currents move
heat to wall surfaces next to fire-
box. Installing firebox next to vi-
nyl or cloth wall coverings or
operating firebox where impuri-
ties in the air (such as tobacco
smoke, aromatic candles, clean-
ing fluids, oil or kerosene lamps,
etc.) exist, may discolor walls.
Note:
Your Comfort Glow firebox is de-
signed to be used in zero clearance installa-
tions. Wall or framing material can be placed
directly against any exterior surface on the
rear, sides, or top of your firebox, except
where standoff spacers are integrally at-
tached. If standoff spacers are attached to
your firebox, these spacers can be placed
directly against wall or framing materials.
Use the dimensions shown for rough open-
ings to create the easiest installation (see
Built-In Firebox Installation, page 10).