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Mantel Clearances for Built-In
Installation
If placing custom mantel above built-in fire-
box, you must meet the minimum allowable
clearance between mantel shelf and top of
firebox opening shown in Figure 7. These are
the minimum allowable mantel clearances
for a safe installation. Use larger clearances
wherever possible to minimize the heating of
objects and materials placed on the mantel.
CAUTION: Do not allow the
vent-free gas log appliance to
touch or extend beyond the
firebox screen.
If your installation does not meet the above
minimum clearances in Figure 7, you must:
• raise the mantel to an acceptable height,
OR
• remove the mantel.
Wall board or facing material (above firebox)
may be of combustible material, including
decorative mantel ornaments or other similar
projections off of the facing material.
Top Frame
(Combustible Material)
Firebox Top
7" Min.
Wire-mesh
Screen
Note: Fireplace shown as cross-section for clarity.
Mantel material may not be less than 7" from top of
hood. Do not cover louver openings.
Figure 7 - Minimum Mantel Clearances
for Built-In Installation
BUILT-IN OR INTERNAL WALL
FIREBOX INSTALLATION
Built-in installation of this firebox involves
installing firebox into a framed-in enclosure.
This makes the front of firebox flush with wall.
If installing a mantel above the firebox, you
must follow the clearances shown in Figure
7. Follow the instructions below to install the
10
INSTALLATION
Continued
Note: All vertical
measurements are
minimum distances
from top of fireplace
hood to bottom of
mantel shelf. These
minimum clearances
replace any other
Mantel
recommended
Shelf
clearances supplied
with your ANS Z21.11.2
approved gas logs.
9
/
"
1
4
6"
3"
12" 15" 18"
Combustible
Material 1
/
"
1
2
Max Thickness
Supplied
Firebox
Hoods Must
Be Used at
All Times
www.SuperiorFireplaces.US.com
firebox in this manner.
1. Frame in rough opening. The firebox
framing should be constructed of 2 x 4
lumber or heavier. Construct framing
using dimensions shown in Figure 8 and
9, page 11. It is recommended that the
framing be constructed first and the unit
be placed in position. After sliding the unit
into place, the flanges may be nailed to
the framing before applying the wallboard
to the exterior framing.
2. If the vent-free firebox is to be installed
directly on carpeting, tile (other than ce-
ramic) or any combustible material other
than wood flooring; the vent-free firebox
must be installed upon a metal or wood
panel extending the full width and depth
of the vent-free firebox.
3. If a raised platform is to be constructed,
ceiling clearances must be maintained.
4. Install gas piping to firebox location. See
Installing Gas Line and Connecting to Gas
Supply in log set owner's manual.
5. Carefully set firebox in front of rough
opening.
6. Carefully insert firebox into rough opening.
7. Attach firebox to wall studs using nails
or wood screws through holes in nailing
flange (see Figure 10). Attach firebox to
board base through holes in firebox bot-
tom (see Figure 10).
Wallboard
Gas Line
Facing
4" Min.
Wall
36" Min. to
Facing Wall
Facing Wall
(Base line)
Figure 8 - Framing for Built-In Firebox
Installation
22
/
"
3
4
Min.
40
/
" Min.
1
4
Board
Base
43
/
" Min.
3
4
126706-01A
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