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6.0 NATURAL DRAFT TERMINATION LOCATIONS
6.1 Vertical Natural Draft Vent Termination
WARNING: This appliance must not share or be connected to a chimney
flue serving a separate solid-fuel burning appliance.
Approved cap
Approved
vent pipe
Figure 6.1, Vertical Vent Cap Clearance
Roof Pitch
Flat to 6/12
Over 6/12 to 7/12
Over 7/12 to 8/12
Over 8/12 to 9/12
Over 9/12 to 10/12
Over 10/12 to 11/12
Over 11/12 to 12/12
Over 12/12 to 14/12
Over 14/12 to 16/12
Over 16/12 to 18/12
Over 18/12 to 20/12
Over 20/12 to 21/12
#CLW-40 R.3 November 2021
Lowest
discharge
opening
Minimum
12" (.30m)
H
H
x
12
Roof pitch = x/12
H - Minimum height from roof
to lowest discharge opening
Minimum height (H) from roof
Feet
Meters
1.0
0.30
1.25
0.38
1.5
0.46
2.0
0.61
2.5
0.76
3.25
0.99
4.0
1.22
5.0
1.52
6.0
1.83
7.0
2.13
7.5
2.27
8.0
2.44
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
NATURAL DRAFT TERMINATION LOCATIONS 43
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