#LXL-22-L
R.1 4 . 2 0 . 2022
21
HUSSONG MFG. CO., INC.
KOZY HEAT FIREPLACES
6.0
VENTING
6.1
Approved Vent Systems
6.2
Venting Requirements
SECTION 6
VENTING
Approved Vent Systems
This appliance is equipped for use with a 4” (102mm) exhaust by
6-5/8” (168mm) air intake co-axial vent pipe system.
Vertical 4” x 6-5/8” co-axial flexible vent pipe is not approved for use
with this gas stove.
This appliance is approved for use with manufacturers (horizontal and
vertical terminations): American Metal Products (Ameri-Vent), BDM,
ICC, Metal Fab*, Olympia Chimney Supply, Inc., Selkirk, and Simpson
DuraVent. See section
6.1.1
below.
*WHEN INSTALLING METAL FAB VENT SYSTEM
with this appliance
adapter part number 4DDA must be used. Refer to
section
3.3, ROUGH-IN VENT TERMINATION
on page 13 for more
information.
This appliance can be adapted to use 4” diameter aluminum flexible
pipe by any listed vent manufacturer when used in combination with
an existing minimum 7” ID Class A metal/masonry chimney. Refer to
section
6.5
on page 26 for more information.
This appliance can be adapted to use 3” x 3” flexible co-linear vent
pipes with a 4” x 6-5/8” reducer when used in combination with an
existing minimum 6” x 8” ID masonry or 7” ID Class A metal chimney.
Refer to section
6.6
on page 27 for more information.
Refer to the vent manufacturer’s installation manual for complete
installation instructions. Installation must conform with the
requirements and restrictions specified in this manual.
6.1.1 Approved 4” x 6-5/8” Vent Systems
NOTE: Consult the local and national installation codes to assure
adequate combustion and ventilation air is available. Venting
requirements apply to both natural gas and propane.
•
Flame height and appearance will vary depending upon venting
configuration and the type of fuel used.
•
Provide a means for visually checking the vent connection to the
appliance after the fireplace is installed.
•
A minimum of 1” (25mm) clearance on all sides of the vertical
vent pipe must be maintained. Attic insulation shields may
be insulated using unfaced insulation products listed as
noncombustible per ASTM E 136.
•
Wall thimble products that comply with a minimum of 1”
(25mm) clearance on the top side and a minimum of 1” (25mm)
clearance on the bottom, left, and right sides of the horizontal
vent pipe at the wall pass-through must be maintained. Wall
thimble products that comply with the required clearances
to combustibles must be installed for all horizontal vent runs
that pass through interior or exterior walls. These wall thimble
products may be insulated using unfaced insulation products
listed as noncombustible per ASTM E 136.
T a b le 6 .1 ,
A p p ro v e d 4 ” x 6 -5 /8 ” V e n t S y ste m s
Vent Manufacturer
Vent Cap Part Number
American Metal Products
(Ameri-Vent)
4DHCS
4DHC
4D36S
BDM
DVR6-HCP
DVR6-HC
DVR6-VCLP
DVR6-SNK14
DVR6-SNK36
Simpson DuraVent
46DVA-HC
46DVA-HSC
46DVA-HSCH
46DVA-VCH
46DVA-VC
46DVA-SNK36
46DVA-HTC
ICC
TM-4HT
TM-4RHT
TM-4ST36
Metal Fab
Adapter 4DDA must be used
4DHT
4DST36
Olympia Chimney Supply, Inc.
VDV-HC04
VDV-VC04
VDV-SNC0414
VDV-SNC0436
Selkirk
4DT-HC
4DT-HCR
4DT-VC
4DT-ST36
