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Heat & Glo • VRT-AUB • 2123-980 Rev. H • 5/12
A. Vent Termination Minimum Clearances
6
Termination Locations
Fire Risk.
Maintain vent clearance to combustibles as
specied.
• DO NOT pack air space with insulation or other
materials.
Failure to keep insulation or other materials away
from vent pipe may cause overheating and re.
WARNING
Figure 6.2 Staggered Termination Caps
Gas, Wood or Fuel Oil
Termination Cap
B
Gas
Termination
Cap **
A*
* If using decoratuve cap cover(s), this distance may need to be increased.
Refer to the installation instructions supplied with the decorative cap cover.
** In a staggered installation with both gas and wood or fuel oil terminations, the
wood or fuel oil termination cap must be higher than the gas termination cap.
Figure 6.1 Minimum Height From Roof To Lowest Discharge
Opening
H (MIN.) - MINIMUM HEIGHT FROM ROOF
TO LOWEST DISCHARGE OPENING
VERTICAL
WALL
TERMINATION
CAP
HORIZONTAL
OVERHANG
12 in
(305 mm)
X
ROOF PITCH
IS X/ 12 in.
(305 mm)
LOWEST
DISCHARGE
OPENING
(510 mm MIN.)
(610 mm MIN.)
24 in MIN.
20 in MIN.
Angle H (Min.) mm
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
A B
6 in. (minimum) up to 20 in.
(152 mm (minimum) up to 508 mm)
18 in. minimum
(457 mm minimum)
20 in. and over
(508 mm and over)
0 in. minimum
(0 mm minimum)