www.desatech.com
121082-01G
12
Rough Opening Dimensions for
Built-in Installation
Front Width
(Inside to
Inside)
Height
Depth
(Minimum)
41
1
/
2
"
40
1
/
2
"
20
3
/
4
"
2.
Install gas piping to firebox location. See
Installing Gas Piping to Fireplace Location
on page 13 and
Connecting Fireplace to Gas
Supply,
page 15.
IMPORTANT:
If installing blower accessory
(circulating models with louvers only), see
Hard-Wiring Firebox
, page 19.
3. Carefully set firebox in front of rough open
-
ing with back of firebox inside wall open
-
ing.
IMPORTANT:
If installing a perimeter
trim kit, see instructions included with
trim accessory. You must install shoulder
screws from trim kit now.
4. Carefully insert firebox into rough
opening.
5. Attach firebox to wall studs using nails
or wood screws through holes in nailing
flange (see Figure 10).
6. If using an optional perimeter trim kit,
install the trim after final finishing and/or
painting of wall. See instructions included
with trim accessory for attaching trim.
7. Install and properly test gas log heater.
Follow installation instructions included
with the vent-free gas log heater that is
being installed.
IMPORTANT:
When finishing your firebox,
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.
WARNING: Do not allow any
combustible materials to overlap
the firebox front facing.
IMPORTANT:
Noncombustible materials such
as brick, tile, etc. may overlap front facing, but
should never cover any necessary openings
like louvered slots.
WARNING: Do not allow non-
combustible materials to cover
any necessary openings like
louvered slots.
INSTaLLaTION
Continued
Figure 8 - Rough Opening for Installing
in Wall
Depth
(Minimum)
Width
(Inside to Inside)
Height
37"
45°
41
1
/
2
"
52
11
/
32
"
74"
TOP VIEW
FOR 36"
MODELS
Figure 9 - Rough Opening for Installing
in Corner Wall
WARNING: Use only noncom-
bustible mortar or adhesives when
overlapping the front facing with
noncombustible facing material.
Nailing
Flange
Nails or
Wood
Screws
Figure 10 - Attaching Firebox to Wall
Studs
