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4 4
Termination Locations
A. Vent Termination Minimum Clearances
Figure 4.1 specifi es minimum vent heights for various
pitched roofs.
2 FT.
20 INCHES MIN.
MIN.
LOWEST
DISCHARGE
OPENING
GAS DIRECT VENT
TERMINATION CAP
Roof Pitch
Flat to 6/12...........................................................1.0*
Over 6/12 to 7/12 .................................................1.25*
Over 7/12 to 8/12 .................................................1.5*
Over 8/12 to 9/12 .................................................2.0*
Over 9/12 to 10/12 ...............................................2.5*
Over 10/12 to 11/12 .............................................3.25
Over 11/12 to 12/12 .............................................4.0
Over 12/12 to 14/12 .............................................5.0
Over 14/12 to 16/12 .............................................6.0
Over 16/12 to 18/12 .............................................7.0
Over 18/12 to 20/12 .............................................7.5
Over 20/12 to 21/12 .............................................8.0
* 3 foot minimum in snow regions
Figure 4.1 Minimum height from roof to lowest discharge
opening
HORIZONTAL
OVERHANG
VERTICAL
WALL
X
12
ROOF PITCH
IS X/ 12
H (MIN.) - MINIMUM HEIGHT FROM ROOF
TO LOWEST DISCHARGE OPENING
H (Min.) Ft.
Quadra-Fire • Hudson Bay Insert • 7008-115 Rev. H • 10/08
GAS OR WOOD
TERMINATION
GAS
TERMINATION
18 IN.
A
Gas Termination
Wood & Fuel Oil Termination
A
6 in.
Figure 4.2 Multiple Vertical Termination
WARNING
Fire Risk.
Asphyxiation Risk.
• Terminations MUST meet minimum clearances.
• Exhaust gases are hot.
• Nearby vents may draw fumes into house.
2 FEET
(MINIMUM) TO
PERPENDICULAR
WALL (GAS ONLY)
20 in.
7
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