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103451
OWNER’S MANUAL
INSTALLATION
Continued
3. Carefully set firebox in front of rough
opening with back of firebox inside
wall opening.
IMPORTANT:
If install-
ing Brass Trim Kit GA6091 or
GA6092, see instructions included with
brass trim accessory. You must install
shoulder screws from brass trim kit
now.
4. Carefully insert firebox into rough
opening.
5. Attach firebox to wall studs using nails
or wood screws through holes in nail-
ing flange (see Figure 9).
6. If using optional GA6091 or GA6092
Brass Trim Kit, install the trim after fi-
nal finishing and/or painting of wall.
See instructions included with brass
trim accessory for attaching brass trim.
7. Install and properly test gas log heater.
Follow installation instructions in-
cluded with the vent-free gas log heater
that is being installed.
IMPORTANT:
When finishing your fire-
box, combustible materials such as wall
board, gypsum board, sheet rock, drywall,
plywood, etc. may be butted up next to the
sides and top of the firebox. Combustible
materials should never overlap the firebox
front facing.
Figure 9 - Attaching Firebox to Wall Studs
WARNING: Do not allow any
combustable materials to over-
lap the firebox front facing.
IMPORTANT:
Non-combustible materials
such as brick, tile, etc. may overlap the front
facing, but should never cover any neces-
sary openings like louvered slots.
WARNING: Do not allow non-
combustible materials to cover
any necessary openings like lou-
vered slots.
WARNING: Use only non-com-
bustible mortar or adhesives
when overlapping the front fac-
ing with non-combustible facing
material.
WARNING: Never modify or
cover the louvered slots on the
front of the firebox.
This firebox may be installed using a cabi-
net mantel accessory against a wall in your
home. The firebox and cabinet mantel can
be installed directly on the floor. A brass
trim kit is included with the mantel acces-
sory GM103U or GM105U (see Accesso-
ries, page 13).
1. Assemble cabinet mantel accessory and
the brass trim kit. Assembly instruc-
tions are included with each accessory.
2. If using an optional GA3700 Blower
(circulating models only), install a
properly grounded, 120 volt three-
prong electrical outlet at firebox loca-
tion if an outlet is not there. If possible,
locate outlet so cabinet mantel will
cover it when installed (see Figure 10).
3. Install gas piping to firebox location.
See Installing Gas Line, page 10. You
may have to cut an access hole in the
floor or wall to run gas line to firebox.
Make sure to locate access hole so cabi-
net mantel will cover it when installed
(see Figure 10).
Figure 10 - Installing Cabinet Mantel
NOTICE: A qualified service per-
son must install firebox. Follow
all local codes.
4. Place cabinet mantel on floor in desired
location. Make sure mantel is flush
against wall.
5. Break off nailing flanges with hammer
or pliers (see Figure 11).
INSTALLING FIREBOX USING
OPTIONAL ACCESSORY
MANTELS
Cabinet
Mantel
Gas Line
Access Hole
(Either Side
of Firebox)
Gas
Piping
Electrical
Outlet
Figure 11 - Location of Nailing Flanges
(Two on Each Side)
Nailing Flanges
Continued
Nailing
Flanges
Nails or
Wood
Screws