56
VENTING
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
#CLW-ST R.1 February 2021
7.5 Class A Chimney/Masonry
Chimney Conversion
This appliance is approved to be adapted for Class A/Masonry
Chimney conversion with kits utilizing a 4” (102mm) flexible exhaust
by any vent manufacturers listed in Section 7.1 Approved Vent
Systems on page 50.
Before conversion, have the existing installation inspected by a
qualified chimney sweep or professional installer. The existing
chimney system must be in serviceable condition, and functionally
sound. Before proceeding with following installations, check with
local building jurisdiction to verify this type of installation is allowed
in your area.
Follow DIAG. 4 for allowable venting configurations for installation
in existing through-the-ceiling, Class A/Masonry chimney. Route the
exhaust gases and intake air through the existing Class A/Masonry
chimney.
7.5.1 4” Flex Pipe Venting Configuration
IMPORTANT: Horizontal vent sections require at least 1/4” (6mm) rise
for every 12” (305mm) of travel.
(i)
Minimum / Maximum Vertical Terminations:
R retro con 10’ (3.05m) minimum length of 4”
aluminum flexible pipe / 50’ (15.24m) maximum length of 4”
aluminum flexible pipe + top a termination cap
DIAG.4 4” FLEX PIPE CHIMNEY CONVERSION
(A)
Stand-off Assembly
(B)
Reducer
(C)
Retro Connector
(D)
Top Adapter
(E)
Termination Cap
10’
(3.05m)
50’
(15.24m)
A
B
C
D
E
D
E
i
