Venting Installation - Vexar C42MW Owner's Operation And Installation Manual

OPTIONAL OUTSIDE AIR KIT
(MODEL AK4/AK4F)
Installation of outside air kit should be per-
formed during rough framing of fireplace due
to the nature of it's location. Outside combus-
tion air is accessed through a vented crawl
space (AK4F) or through a sidewall (AK4).
See Figure 24 on page 15 for instruction of
operating air kit.
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.
Secure to Collars with Metal Tape, Screws
or Straps (Min. of 1/4" x 20" in size)
Vented Crawl Space
(Check Local Codes
Before Installing in a
Vented Crawl Space)
Figure 7 - Outside Air Kit
CHIMNEY PIPE
Style Crest, Inc 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 consideration (lineal
gain) and are given in lineal gain chart (see
Figure 8).
Lineal gain is actual measurable length of a
part after two or more parts are connected.
108919-01H

VENTING INSTALLATION

Air Inlet
Location
Must Allow
For Bushes
or Snow
Air Inlet
Eyebrow
Vent Hood
Required for
Wall Installation
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WARNING: The opening in
collar around chimney at top of
fireplace must not be obstructed.
Never use blown insulation to fill
chimney enclosure.
12 3 / "
8
Galvanized
Outer Pipe
8" Stainless
Inner Pipe
LINEAL GAIN
PART NO. DESCRIPTION
42"
12-8DM Pipe Section
18-8DM Pipe Section
24-8DM Pipe Section
36-8DM Pipe Section
48-8DM Pipe Section
RT-8DM Round Termination
RTL-8DM Round Termination
Round Termination
RTT-8DM
with Slip Section
Round Termination
RTTL-8DM
with Slip Section
ET-8DM Square Chase-Top
Square Chase-Top
ETO-8DM
with Mesh
Square Chase-Top
ETL-8DM
with Slip Section
Square Chase-Top
ETLO-8DM with Mesh & Slip
* The lineal gain for the terminations is
measured to the flue gas outlet height.
Figure 8 - Lineal Gain
Hemmed
End
GAIN
Fireplace 37
10
16
23
34
46
6
7
7
6
23
8 1
21
12"*
12"*
7" to 15"*
12" to
25
Section
1
/ "
2
5
/ "
8
5
/ "
8
5 / "
8
5
/ "
8
5
/ "
8
7 / "*
8
3
/ "*
4
/ " to
8
1
/ "*
8
/ " to
2
1
/ "*
2
1
/ "*
2
7