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NATURAL DRAFT TERMINATION LOCATIONS
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
#CLW-ST R.1 February 2021
6.0 NATURAL DRAFT TERMINATION LOCATIONS
6.1 Natural Draft Vertical Termination
WARNING: This appliance must not share or be connected to a chimney
flue serving a separate solid-fuel burning appliance.
Minimum height (H) from roof
Roof Pitch
Feet
Meters
Flat to 6/12
1.0
0.30
Over 6/12 to 7/12
1.25
0.38
Over 7/12 to 8/12
1.5
0.46
Over 8/12 to 9/12
2.0
0.61
Over 9/12 to 10/12
2.5
0.76
Over 10/12 to 11/12
3.25
0.99
Over 11/12 to 12/12
4.0
1.22
Over 12/12 to 14/12
5.0
1.52
Over 14/12 to 16/12
6.0
1.83
Over 16/12 to 18/12
7.0
2.13
Over 18/12 to 20/12
7.5
2.27
Over 20/12 to 21/12
8.0
2.44
12
x
H
H
Lowest
discharge
opening
Approved cap
Approved
vent pipe
Roof pitch = x/12
H
- Minimum height from roof
to lowest discharge opening
Minimum
12” (.30m)
Figure 6.1, Vertical Vent Cap Clearance
