SECTION 7
VENTING
Approved Vent Systems
#SP-41-L
R.6 February 2022
#SP-41-L
R.6 February 2022
25
HUSSONG MFG. CO., INC.
KOZY HEAT FIREPLACES
7.0 VENTING
7.1 Approved Vent Systems
This appliance is equipped for use with a 4” exhaust by 6-5/8” air
intake co-axial vent pipe system.
Vertical 4” x 6-5/8” co-axial flexible vent pipe with vertical
terminations are not approved for use with this fireplace.
This appliance is approved for use with Kozy Heat 4” x 7” #700 Series
Flexible Direct Vent system (horizontal terminations only). Refer to
7.7, #700-2 SERIES DIRECT VENT TERMINATION KIT(S)
page 32 for venting components and installation instructions.
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.
*WHEN INSTALLING METAL FAB VENT SYSTEM
with this appliance
an adapter must be used. Use adapter part number 4DDA.
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
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
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 7.1, Approved Vent Systems
Vent Manufacturer
Vent Cap Part Number
American Metal Products
(Ameri-Vent)
4DHCS
4DHC
4DVC
4D14S
4D36S
DVCC33
BDM
940033HWS
940033
DVR6-HCP
DVR6-HC
DVR6-VCLP
DVR6-VCH
DVR6-SNK14
DVR6-SNK36
Simpson DuraVent
46DVA-CL33H
46DVA-CL33P
46DVA-HSCH
46DVA-VCH
46DVA-VC
46DVA-VCE
46DVA-HTC
ICC
CT3
IVT
TM-4VTA
TM-4HT
TM-4RHT
TM-4DHT
TM-4SVT
TM-4ST14
TM-4ST36
Kozy Heat
745-2
718-2
Table 7.1, Approved Vent Systems
Vent Manufacturer
Vent Cap Part Number
Metal Fab
(Adapter 4DDA must be used)
4DVT33F
4DHT
4DVT
4DVTHW
4DST14
4DST36
Olympia Chimney Supply, Inc.
VDV-VC04
VDV-VCH04
VDV-SNC0414
VDV-SNC0436
VDV-RCL33
VDV-CC33
VDV-VCCH33
Selkirk
4DT-HC
4DT-HCR
4DT-VC
4DT-VT
4DT-ST14
4DT-ST36
4DT-CC33
7.2 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.
•
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
vent pipe must be maintained. Attic insulation shields may
be insulated using unfaced insulation products listed as
noncombustible per ASTM E 136.
•
A minimum of 1” (25mm) clearance on the top, sides, and
bottom of the horizontal vent pipe 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.