Astria.US.com
127051-01D
7
Figure 5- 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)
VENTING INSTALLATION
OPTIONAL OUTSIDE AIR KIT (MODEL AK4/AK4F)
Installation of outside air kit should be performed during rough fram-
ing of fireplace due to the nature of it's location. Outside combustion
airisaccessedthroughaventedcrawlspace(AK4F)orthrougha
sidewall(AK4).SeeFigure22,page14forinstructionofoperating
air kit.
CAUTION: Combustion air inlet ducts shall not
terminate in attic space.
The maximum height for the air vent can not exceed
3feetbelowtheuegasoutletofthetermination.
CHIMNEY PIPE
WARNING: Label part number 900599-01 must
be applied by the installer to all chimney pipe
sections but is not required on sections that will
be visible after the installation is complete. Label
must wrap around the circumference of the pipe.
See accessories, page 19 for Kit F2659.
AnIHPchimneysystemconsistsof12",18",24",36"and48"
snap-lock,double-wallpipesegments,plannedformaximum
adaptability to individual site requirements. Actual lengths gained
afterttingoverlapsmustbetakenintoconsideration(linealgain)
andaregiveninlinealgainchart(seeFigure6).
Lineal gain is actual measurable length of a part after two or more
parts are connected.
Figure 6 - Lineal Gain
Hemmed
End
8" Stainless
Inner Pipe
12
3
/
8
"
Galvanized
Outer Pipe
WARNING: The opening in collar around chimney
at top of fireplace must not be obstructed. Never use
blown insulation to fill chimney enclosure.
LINEALGAIN
PARTNO. DESCRIPTION GAIN
42" Fireplace 45"
SS-8DM Starter Section 19''
12-8DM
12-8HT
Pipe Section 10
5
/
8
"
18-8DM
18-8HT
Pipe Section 16
5
/
8
"
24-8DM
24-8HT
Pipe Section 23
5
/
8
"
36-8DM
36-8HT
Pipe Section 34
5
/
8
"
48-8DM
48-8HT
Pipe Section 46
5
/
8
"
RT-8DM Round Termination 6
7
/
8
"*
RTL-8DM Round Termination 7
3
/
4
"*
RLT-8DM Round Termination 7
1
/
2
"*
RTT-8DM
Round Termination
with Slip Section
6
7
/
8
" to
23
1
/
8
"*
RTTL-8DM
Round Termination
with Slip Section
8
1
/
2
" to
21
1
/
2
"*
RLTT-8DM
Round Termination
with Slip Section
7
1
/
2
" to
21
1
/
4
"*
ET-8DM Square Chase-Top 12"*
ETO-8DM
Square Chase-Top
with Mesh
12"*
ETL-8DM
Square Chase-Top
with Slip Section
7" to 15"*
ETLO-8DM
Square Chase-Top
with Mesh & Slip
Section
12" to
25
1
/
2
"*
* The lineal gain for the terminations is
measured to the ue gas outlet height.