32
VENTING
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
#ALP-36 R.7 January 2020
7.6.2 #800-WPT & #800-WPT2
Installation Instructions
If installing Kozy Heat #800 Series Flexible Vent System with either
#800-WPT or #800-WPT2, remove inner ring on each wall thimble
section with tin snips. This will provide adequate room for the flexible
vent system.
1. Measure wall thickness. Cut the included insulation to this
length.
2. Install wall pass-through section marked #1 (with 3/8” [10mm]
flange) into framed opening. Secure to interior wall with screws
(not provided).
3. From the exterior, place insulation between flange and the top of
the framed opening in the wall pass-through section #1, cutting
as needed.
4. Install section marked #2 of wall pass-through into framed
opening, overlapping metal sections as necessary to
accommodate wall thickness. Secure to exterior wall with screws
(not provided).
5. Follow vent manufacturer installation instructions for vent
installation.
7.6.3 #800-WPT3 Installation Instructions
IMPORTANT: The heat shield within the wall thimble must overlap
a minimum of 1-1/2” (38mm). An extension will be needed if going
through a thicker wall than 6-1/2” (165mm). Refer to BDM vent
manufacturer if wall extension is necessary.
1. Hand bend the (2) tabs on the top of the wall pass through at the
3” (76mm) top required clearance. Hand bend the (6) tabs on the
sides and bottom of the wall pass through. Repeat for the other
section.
2. From the interior, install one section of the wall pass through.
Secure with (4) screws (not provided).
3. From the exterior, install the other section of the wall pass
through, overlapping the heat shields as necessary to
accommodate wall thickness. The sections must overlap a
minimum of 1-1/2” (38mm). Secure to exterior wall with (4)
screws (not provided).
4. Follow vent manufacturer installation instructions for vent
installation.
Cut ring out of both sections if
using #800 Series flex venting
3/8” (10mm) flange must
be on inside wall
Insulation
Figure 7.5, #800-WPT & #800-WPT2 Flex Venting Inner Ring Removal
Figure 7.6, #800-WPT & #800-WPT2 Flex Venting Framing
HAND BEND TABS
SCREW HOLES
1”
2”
3”
Figure 7.7, #800-WPT3
