#BIR-20-L R.5 June 2020
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
VENTING
21
6.0 VENTING
REV 3 DEC 2018: Removed security as listed vent, added updated restrictions
6.1 Approved Vent Systems
This appliance is equipped for use with a 4” exhaust by 6-5/8” air
intake co-axial vent pipe system.
This appliance is approved for use with vent manufacturers
(horizontal and vertical terminations): American Metal Products
(Ameri-Vent), BDM, ICC, Metal Fab,* Olympia Chimney Supply, Inc.,
Selkirk, and Simpson DuraVent.
*WHEN INSTALLING METAL FAB VENT SYSTEM
with this appliance
an adapter must be used. Use adapter part number 4DDA.
The vent configurations listed in this manual are shown with rigid
pipe. Flexible pipe may be used for approved venting configurations
by approved vent manufacturers (listed below). Refer to the vent
manufacturer’s installation instructions.
This appliance can be adapted to use 4” diameter aluminum flexible
pipe when used in combination with an existing minimum 7” ID Class
A metal chimney. See Section 6.6 Class A Chimney/Masonry Chimney
Conversion on page 26.
This appliance can be adapter to use 3” x 3” flexible co-linear vent
pipes when used in combination with an existing minimum 6” x 8” ID
masonry or 7” ID Class A metal chimney. See Section 6.7 Coaxial to Co-
Linear Chimney Conversion on page 27.
Refer to the vent manufacturer’s installation manual for complete
installation instructions. Vent installation must conform with venting
requirements and restrictions as outlined in this manual.
Table 6.1, Approved Vent Systems
Vent Manufacturer
Vent Cap Part Number
American Metal Products
(Ameri-Vent)
4DHC
4DVC
4D14S
4D36S
BDM
940164
940264
Simpson DuraVent
980
991
930
46DVA-HSC
46DVA-HSCA
46DVA-HC
ICC
TM-4VT
TM-4HT
TM-4DHT
TM-4ST14
TM-4ST36
Metal Fab
(Adapter 4DDA must be used)
4DH7
4DVT
4DST14
4DST36
Olympia Chimney Supply, Inc.
VDV-VC04
VDV-HC04
VDV-SNC0414
VDV-SNC0436
Selkirk
4DHCS
4DT-VT
4DT-ST14
4DT-ST36
6.2 Venting Requirements
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.
NOTE: Wall thimble products that comply with the required clearance
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.
NOTE: Attic insulation shields may be insulated using unfaced
insulation products listed as noncombustible per ASTM E 136.
•
Flame height and appearance will vary depending upon venting
configuration and the type of fuel used.
•
Refer to the vent manufacturer’s installation manual for
complete installation instructions. Vent installation must
conform with venting requirements and restrictions as outlined
in this manual.
•
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
pipe must be maintained.
•
A minimum of 1” (25mm) clearance on all sides of the horizontal
vent pipe at the wall pass-through must be maintained.