www.Astria.US.com
126767-01A
7
FIREPLACE INSTALLATION
Continued
12
1
/
4
" Ref.
6"
Ref.
12" Min.
9" Min.
1
1
/
2
" Max.
3" Nom.
33°
Combustible
Material
Safe
Zone for
Projection of
Combustible
Materials
Fireplace Opening
Upper
Section of
Fireplace
OPTIONAL OUTSIDE AIR KIT
(MODEL AK4/AK4F)
Installation of an outside air kit should be
performed during rough framing of fireplace
due to the nature of it's location. Outside com
-
bustion air is accessed through a vented crawl
space (AK4F) or through a sidewall (AK4).
See Figure 23 on page 15 for instruction of
operating air kit.
CAUTION: Combustion air
inlet ducts shall not terminate
in attic space.
VENTING INSTALLATION
MANTELS
A mantel may be installed if desired (see
Figures 4 and 5). Woodwork such as wood
trims, mantels or any other combustible
material projecting from front face, must not
be placed within 9" of fireplace opening and
within 6" of top louver opening. Combustible
materials above 9" and projecting more than
1
1
/
2
" from fireplace must not be placed less
than 12" from top opening of fireplace (NFPA
STD 211, Sec. 7-3.3.3).
Figure 5 - Mantel Clearances to
Combustible Material
The maximum height for the
air vent can not exceed 3 feet
below the flue gas outlet of the
termination.
CHIMNEY PIPE
INNOVATIVE HEARTH PRODUCTS chimney
system consists of 12", 18", 24", 36" and
48" snap-lock, double-wall pipe segments,
planned for maximum adaptability to individual
site requirements. Actual lengths gained after
fitting overlaps must be taken into consider
-
ation (lineal gain) and are given in lineal gain
chart (see Figure 7, page 7). Lineal gain is
actual measurable length of a part after two
or more parts are connected. For Canada, use
chimney parts designated "HT".
Figure 5 - Mantel Clearances to
Combustible Material
FIREBOX
SAFE ZONE
Top View of Fireplace
2" Max.
3.0"
Min. to
Perpendicular
Side Wall
12"
8.0"
33°
Combustible
Material Must
Not Overlap
Front Face
Mantels or any other combustible material
also may come up to the side edge of the
stainless steel face of the fireplace just as long
as the projection from the front face fall within
the limit shown in Figure 4 and 5.
f i r e - p a r t s . c o m