Hearth & Home Technologies SL-550TV-D 用户手册
Heat & Glo • SL-550 / 750 / 950TV-D • 2053-985 Rev. H • 9/06
12
A. Vent Termination Minimum Clearances
Fire Risk.
Explosion Risk.
Maintain vent clearance to combustibles as
specifi ed.
specifi ed.
• 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.
away from vent pipe may cause fi re.
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
Over 20/12 to 21/12 .............................................8.0
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
Figure 4.1 Minimum Height from Roof to Lowest Discharge
Opening
Termination Locations
4
Figure 4.2 Multiple Vertical Termination
Figure 4.1 specifi es minimum vent heights for various
pitched roofs.
pitched roofs.
* 3 foot minimum in snow regions
GAS OR WOOD
TERMINATION
8 FEET
(MINIMUM) TO
PERPENDICULAR
WALL (GAS ONLY)
18 IN.
A
GAS
TERMINATION
VERTICAL
WALL
TERMINATION
CAP
12
X
ROOF PITCH
IS X/ 12
LOWEST
DISCHARGE
OPENING
H (MIN.) - MINIMUM HEIGHT FROM ROOF
TO LOWEST DISCHARGE OPENING
TO LOWEST DISCHARGE OPENING
8 FEET
Termination Clearances
Gas
Wood
A
6 inches
20 inches
WARNING