Hearth & Home Technologies TOPAZ-D-CSB User Manual

Page of 56
Page  8
September 1, 2008
Quadra-Fire · Topaz · 7009-113G
4
Termination Locations
A. Vent Termination Minimum Clearances
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
Figure 4.2   Multiple Vertical Termination
Figure 4.1  Termination Clearances
Figure 4.3 specifies minimum vent heights for various 
pitched roofs.
Figure 4.3   Minimum Height from Roof to Lowest Discharge
Fire Risk.
Explosion Risk.
Maintain vent clearance to combustibles 
as specified.
WARNING
•  Do not pack air space with insulation or 
other materials.
Failure to keep insulation or other materials 
away from vent pipe may cause fire.
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
Over 16/12 to 18/12 ........................................... 7.0
Over 18/12 to 20/12 ........................................... 7.5
Measure vertical clearances from this surface.
Measure horizontal clearances from this surface.
(See Figure 4.4 for specific clearances.)
Opening