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55511E4
FIREBOX INSTALLATION
Figure 2 - Common Location of Fireplace
Back and sides of rebox 1" min.
Adjacent wall 12" min.
Chimney outer pipe surfaces 2" min.
Bottom of rebox to oor 0" min.
-
lation or any other material.
-
material must not be in contact
*
the opening where actual heat output
may occur.)
Woodwork such as wood trims, mantels or
any other combustible material projecting from
the front face must not be placed within 9" of
rebox effective opening.
Combustible materials above and projecting
more than 1
1
/
2
" from the rebox front face
(see Figure 4, page 5) must not be placed less
than 12" from effective opening of the rebox
(NFPA STD 211, Sec. 7-3.3.3).
Mantels or any other combustible material
may also come up to the side edge of the
black metal face of the rebox only if the
projection from the front face falls within limits
shown in Figure 5, page 5.
Spacers on Sides of
Fireplace Provide
Required 1" (2.5cm)
Clearance
2" (5cm) Min. Clearance
From Pipe to
Combustibles
3" (7.6cm)
12" (30.4cm) Min. From Perpendicular
Side Wall to Fireplace Opening (Typ.)
Figure 3 - Firebox Clearances
Existing Wall
Projected Wall
12" (30.4 cm) to
Perpendicular Wall
To determine the safest and most efcient
location for the rebox, you must take into
consideration the following guidelines:
1. The location must allow for proper clear-
ances.
2. Consider a location where the heat output
will not be affected by drafts, air condition-
ing ducts, windows or doors.
3. A location that avoids the cutting of
joists or roof rafters will make installation
easier.
4. If an outside air kit is to be installed, ac-
cessibility to outside combustion air must
be considered. This can also be achieved
through a vented crawl space in some
cases (see Optional Outside Air Kit on
page 6).
5. Do not connect this rebox to a chimney
system other than a DESA Heating, LLC
chimney system.
6. Install in an area providing ventilation and
adequate combustion air.
7. Due to high temperatures, do not locate
this rebox in high trafc areas or near
furniture or draperies.
8. Provide adequate clearances around
air openings into combustion chamber.
NEVER obstruct front opening of rebox
or ow of combustion and ventilation air.
9. Do not locate in or near an area where
gasoline or other ammable liquids may
be stored. The rebox area must be kept
clear and free from these combustible
materials.
The typical installation for this replace is a
projected installation which allows you to ex-
tend the replace any distance into the room.
A projection may be ideal for a new addition
on an existing, nished wall.