Vent Termination Minimum Clearances - Heat & Glo TIARA I-B Owner's Manual

4
Termination Locations
A. Vent Termination Minimum Clearances
WARNING
Fire Risk.
Explosion Risk.
Maintain vent clearance to combustibles
as 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.
Measure vertical clearances from this surface.
Measure horizontal clearances from this surface.
(See Figure 4.4 for specifi c 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 Temination
August 1, 2008
B
Comments
Horizontal distance between terminations
Distance to perpendicular wall
Vertical distance between terminations
Heat & Glo · Tiara I B & Tiara II B · 7010-149M
2 FT.
20 INCHES MIN.
MIN.
DISCHARGE
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 4.3 Minimum Height from Roof to Lowest Discharge
Opening
Figure 4.3 specifi es minimum vent heights for various
pitched roofs.
HORIZONTAL
OVERHANG
VERTICAL
WALL
LOWEST
OPENING
X
12
ROOF PITCH
IS X/ 12
H (MIN.) - MINIMUM HEIGHT FROM ROOF
TO LOWEST DISCHARGE OPENING
H (Min.) Ft.
Page 9