#ALP-36S R.7 January 2020
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
VENTING
27
7.0 VENTING
7.1 Approved Vent Systems
This appliance is equipped for use with a 5” (127mm) exhaust by 8”
(203mm) air intake co-axial vent pipe system.
This appliance is approved for use for Kozy Heat Power Venting #KPV
(sold separately).
This appliance is approved for use with Kozy Heat 5” (127mm) x
8” (177mm) #800 Series Flexible Direct Vent System (horizontal
terminations only). See Section 7.6 #800-1 Series Direct Vent
Termination Kit(s) on page 31.
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 5DDA.
The following termination caps are not allowed: ICC TM-5RHT;
Simpson DuraVent 58DVA-VCH, 58DVA-SNK14, 58DVA-SNK36,
58DVA-H2, 58DVA-H2-SNK14, 58DVA-H2-SNK36.
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.
7.2 Venting Requirements
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.
•
The horizontal vent heat shield must be installed for minimum
horizontal venting installations for natural gas and propane.
•
Kozy Heat’s #800-WPT series, or wall thimble products that
comply with the required 3” (76mm) top clearance and 1”
(25mm) side and bottom 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.
7.3 Use of Elbows
•
MAXIMUM NUMBER OF ELBOWS: 5
•
For each additional 90° elbow used after the first elbow, 3’
(914mm) must be subtracted from maximum venting allowed.
•
For each 45° elbow used, 1½’ (457mm) must be subtracted from
maximum venting allowed.
•
(2) 45° degree elbows may be used in place of (1) 90° elbow.
7.4 Vent Restriction
Burner flame appearance and characteristics are affected by altitude,
fuel quality, venting configuration, and other factors. To achieve
desirable flame appearance, the vent exhaust may be restricted by
the restrictor plate (included in components packet).
The restrictor plate is shipped with all inner rings intact, and when
installed, provides the most vent restriction. There are (2) inner rings
that can be knocked out. The innermost ring knocked out will create
less restriction, and the outer most ring knocked out will create the
least amount of restriction.
Follow Figure 7.1 for restrictor plate installation before attaching
venting or through the baffle if venting is already attached.
For vent
restriction plate recommendations and adjustments, see Section
11.2.2 Vent Restriction (after installation) on page 47.
Figure 7.1, Vent Access and Restrictor Plate
Restrictor plate
Remove innermost circle to
create less restriction
Remove all inner rings for
the least restriction
Bend tabs to approx. 80˚ angles to create
tension to hold itself in place when installed
Slide restrictor into exhaust pipe on
top fireplace with tabs facing towards
you prior to attaching venting
EXHAUST PIPE