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126601-01A
8
Figure 9 - Lineal Gain
LINEAL GAIN
PART NO.
DESCRIPTION
GAIN
Georgian
Fireplace
66
1
/
2
"
12-12DM
12-12HT
Pipe Section
10
5
/
8
"
18-12DM
18-12HT
Pipe Section
16
5
/
8
"
24-12DM
24-12HT
Pipe Section
23
5
/
8
"
36-12DM
36-12HT
Pipe Section
34
5
/
8
"
48-12DM
48-12HT
Pipe Section
46
5
/
8
"
RLT-12D
RLT-12HT Round Termination
7
3
/
4
"
*
STL-12D Square Chase-Top
with Slip Section 7
"
to 15
"
*
* The lineal gain for the terminations is mea
-
sured to the flue gas outlet height.
Hemmed
End
12
3
/
8
"
Stainless
Inner Pipe
15" Galvanized
Outer Pipe
ASSEMBLY AND INSTALLATION OF
DOUBLE WALL CHIMNEY SYSTEM
Each double wall chimney section consists of a
galvanized outer pipe, a stainless steel inner flue
pipe and a wire spacer. The pipe sections must
be assembled independently as the chimney is
installed. When connecting chimney directly to
the fireplace, the inner flue pipe section must
be installed first with the lanced side up. The
outer pipe section can then be installed over
5 the flue pipe section with the hemmed end
up. Press down on each pipe section until the
lances securely engage the hem on the fireplace
starter. The wire will assure the proper spacing
between the inner and outer pipe sections.
Figure 8 - Outside Air Kit
Secure to Collars with Metal Tape,
Screws or Straps (Min. of 1/4" x 20"
in size)
Air Inlet
Location
Must Allow
For Bushes
or Snow
Vent Hood
Required for
Wall Installation
Air Inlet
Eyebrow
Vented Crawl Space
(Check Local Codes
Before Installing in a
Vented Crawl Space)
CHIMNEY PIPE
The INNOVATIVE HEARTH PRODUCTS
chimney system consists of 12", 18", 24",
36" and 48" snap-lock, double-wall pipe seg
-
ments, planned for maximum adaptability to
individual site requirements. Actual lengths
gained after fitting overlaps must be taken
into consideration (lineal gain) and are given
in the lineal gain chart (see Figure 9). Lineal
Gain is the actual measurable length of a part
after two or more parts are connected. For
Canada, use chimney parts designated "HT".
VENTING INSTALLATION
OPTIONAL OUTSIDE AIR KIT
(MODEL AK4/AK4F)
The installation of an outside air kit should
be performed during the rough framing of
the fireplace due to the nature of it's location.
Outside combustion air is accessed through
a vented crawl space (AK4F) or through a
sidewall (AK4).
CAUTION: Combustion air
inlet ducts shall not terminate
in attic space.
The maximum height for the
air vent can not exceed 3 feet
below the flue gas outlet of the
termination.
WARNING: The opening in
the collar around the chimney at
the top of the fireplace must not
be obstructed. Never use blown
insulation to fill the chimney
enclosure.
