Page 8
10/08
Quadra-Fire • Hudson Bay • 7003-121 Rev. i
4
Termination Locations
Figure 4.2 Multiple Vertical Termination
Figure 4.1 Termination Clearances
Figure 4.3
specifi es minimum vent heights for various
pitched roofs.
Figure 4.3 Minimum Height from Roof to Lowest Discharge
A. Vent Termination Minimum Clearances
Fire Risk.
Explosion Risk.
Maintain vent clearance to combustibles
as specifi ed.
WARNING
• Do not pack air space with insulation or
other materials.
Failure to keep insulation or other materials
away from vent pipe may cause fi re.
Measure vertical clearances from this surface.
Measure horizontal clearances from this surface.
(See
Figure 4.4
for specifi c clearances.)
Opening
HORIZONTAL
OVERHANG
VERTICAL
WALL
GAS DIRECT VENT
TERMINATION CAP
12
X
ROOF PITCH
IS X/ 12
LOWEST
DISCHARGE
OPENING
2 FT.
MIN.
20 INCHES MIN.
H (MIN.) - MINIMUM HEIGHT FROM ROOF
TO LOWEST DISCHARGE OPENING
Roof Pitch
H (Min.) Ft
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
Gas
Termination
Wood & Fuel Oil
Termination
Comments
A
6 in.
20 in. min.
Horizontal distance between terminations
B
20 in.
24 in. min.
Distance to perpendicular wall
C
18 in.
18 in.
Vertical distance between terminations
C
A
GAS
TERMINATION
B
GAS, WOOD OR FUEL
OIL TERMINATION
