Section 4: Termination Locations; Vent Termination Minimum Clearances - Quadra-Fire TOPAZ Direct Vent Room Heater 839-1290 Owner's Manual

4
Termination Locations
A. Vent Termination Minimum Clearances
WARNING
Fire Risk.
Explosion Risk.
Maintain vent clearance to combustibles
as specified.
• Do not pack air space with insulation or
other materials.
Failure to keep insulation or other materials
away from vent pipe may cause fire.
Measure vertical clearances from this surface.
Measure horizontal clearances from this surface.
(See Figure 4.4 for specific clearances.)
Figure 4.1 Termination Clearances
GAS, WOOD OR FUEL
OIL TERMINATION
GAS
TERMINATION
C
A
Gas Wood & Fuel Oil
Termination Termination
A 6 in. 20 in. min.
B 20 in. 24 in. min.
C 18 in. 18 in.
Figure 4.2 Multiple Vertical Termination
Page 8
B
Comments
Horizontal distance between terminations
Distance to perpendicular wall
Vertical distance between terminations
Quadra-Fire · Topaz · 7009-113G
2 FT.
20 INCHES MIN.
MIN.
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
Figure 4.3 Minimum Height from Roof to Lowest Discharge
Opening
Figure 4.3 specifies minimum vent heights for various
pitched roofs.
HORIZONTAL
OVERHANG
VERTICAL
WALL
LOWEST
DISCHARGE
OPENING
X
12
ROOF PITCH
IS X/ 12
H (MIN.) - MINIMUM HEIGHT FROM ROOF
TO LOWEST DISCHARGE OPENING
H (Min.) Ft.
September 1, 2008