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6 6
Termination Locations
A. Vent Termination Minimum Clearances
WARNING
Fire 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.
510 mm MIN.
610 mm MIN.
LOWEST
DISCHARGE
OPENING
TERMINATION
CAP
H (MIN.) - MINIMUM HEIGHT FROM ROOF
TO LOWEST DISCHARGE OPENING
Angle
0°-26.6°
.......................................................... 500*
26.6°-30.3° .......................................................... 500*
30.3°-33.7° .......................................................... 500*
33.7°-36.9° .......................................................... 610*
36.9°-39.8° .......................................................... 760*
39.8°-42.5° .......................................................... 990
42.5°-45.0° ........................................................ 1 220
45.0°-49.4° ........................................................ 1 520
49.4°-53.1° ........................................................ 1 830
53.1°-56.3° ........................................................ 2 130
56.3°-59.0° ........................................................ 2 290
59.0°-60.3° ........................................................ 2 440
*910 mm minimum in snow regions
Figure 6.1 Minimum Height From Roof To Lowest Discharge
Opening
HORIZONTAL
OVERHANG
VERTICAL
WALL
X
305 mm
ROOF PITCH
IS X/ 305 mm
H (Min.) mm
Heat & Glo • Cosmo-I30AU • 2243-900 Rev. V • 6/14
21
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