18
TERMINATION LOCATIONS
6.0 TERMINATION LOCATIONS
6.1 Vertical Vent Cap Termination
WARNING: This gas appliance must not be connected to a
chimney serving any other 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
ROOF PITCH = x/12
H
H
LOWEST
DISCHARGE
OPENING
APPROVED CAP
APPROVED
VENT PIPE
H - MINIMUM HEIGHT FROM ROOF TO
LOWEST DISCHARGE OPENING
MINIMUM
*12” (.30 m)
*If vent is closer than 12 in (.30 m), it must terminate at least 2
ft (.61 m) higher than any portion of a building within 10 ft (3.05
m) of the vent.
Figure 6.1, Vertical Vent Cap Clearance
