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NOTICE: If your installation does
not meet the minimum clear-
ances shown, you must do one
of the following:
• raise the mantel to an ac-
ceptable height
• remove the mantel
BUILT-IN FIREBOX INSTALLATION
Built-in installation of this fi rebox involves
installing fi rebox into a framed-in enclosure.
This makes the front of fi rebox fl ush with wall.
If installing a mantel above the fi rebox, you
must follow the clearances shown in Figure
7, Page 11. Follow these instructions to install
the fi rebox in this manner.
1. Frame in rough opening. The firebox
framing should be constructed of 2 x 4
lumber or heavier. Use dimensions and
rough opening layout in Figure 8. Adjust
framing so that fi rebox fl ushes with fi nished
wall surface. If installing in a corner, use
dimensions in Figure 9, for rough opening.
2. Install gas piping to fi rebox location. See
Gas Line Installation on Page 16 and Con-
necting to Gas Supply in log set owner's
manual.
45.375" (36" Models)
51.375" (42" Models)
59.375" (50" Models)
Figure 8 - Framing Dimensions
61" (36" Models)
65" (42" Models)
71" (50" Models)
86.5" (36" Models)
92" (42" Models)
100" (50" Models)
Figure 9 - Corner Installation
12
INSTALLATION
Continued
3. Carefully set firebox in front of rough
4. Carefully insert fi rebox into rough opening.
5. Attach fi rebox to wall studs using nails
6. Install and properly test gas log heater.
IMPORTANT: When fi nishing your fi rebox,
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 fi rebox. Combustible materials should
never overlap the fi rebox front facing.
IMPORTANT: Noncombustible materials
such as brick, tile, etc. may overlap the front
facing, but should never cover any necessary
openings.
54.625"
30.125"
28.250"
(36" Models)
Maintain 1
1
/
"
2
Clearance at Sides
and Back of Fireplace
1
1
/
" Clearance
2
Not Required at
Nailing Flanges
SuperiorFireplaces.US.com
opening with back of fi rebox inside wall
opening.
or wood screws through holes in nailing
fl ange (see Figure 10).
Follow installation instructions included
with the vent-free gas log heater that is
being installed.
WARNING: Do not allow any
combustible materials to overlap
the fi rebox front facing.
WARNING: Do not allow non-
combustible materials to cover
any necessary openings.
WARNING: Do not fi ll the
spaces around the fi rebox with
insulation or other materials.
WARNING: Framing may be
placed or rest against fi replace
spacer, however; framing must
never be notched.
WARNING: Do not alter, cut
or modify fi replace spacers.
126700-01B
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