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Vent Information
A. Vent Termination Requirements
= Vent Termination
WARNING: Venting terminals must not be recessed into
a wall or siding.
NOTE: Only PL or L vent pipe wall pass-throughs and
fire stops should be used when venting through combus-
tible materials.
NOTE: Always take into consideration the affect the pre-
vailing wind direction or other wind currents will cause with
flyash and /or smoke when placing the termination.
In addition, the following must be observed:
A. The clearance above grade must be a minimum of
18".
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B. The clearance to a window or door that may be opened
must be a minimum of 48" to the side and 48" below the
window/door, and 12" above the window/door.
(with outside air installed, 18" to side and below)
C. A 12" clearance to a permanently closed window is
recommended to prevent condensation on the window.
D. The vertical clearance to a ventilated soffit located
above the terminal within a horizontal distance of 2 feet
(60 cm) from the center-line of the terminal must be a
minimum of 18".
E. The clearance to an unventilated soffit must be a
minimum of 12".
F. The clearance to an outside corner is 11" from center
of pipe.
G. The clearance to an inside corner is 12".
H. A vent must not be installed within 3 feet (90 cm)
above a gas meter/regulator assembly when measured
from the horizontal center-line of the regulator.
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Pellets or Corn/Pellet Mixture Only
Chimney connector shall not pass through an attic or roof
space, closet or similar concealed space, or a floor or ceiling.
= Air Supply Inlet
= Restricted Area
I. The clearance to service regulator vent outlet must be
a minimum of 6 feet.
J. The clearance to a non-mechanical air supply inlet to
the building or the combustion air inlet to any other appli-
ance must be a minimum of 48".
K. The clearance to a mechanical air supply inlet must
be a minimum of 10 feet.
L. The clearance above a paved sidewalk or a paved
driveway located on public property must be a minimum
of 7 feet.
M. The clearance under a veranda, porch, deck or bal-
cony must be a minimum of 12 inches.
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NOTE: The clearance to vegetation and other exterior
combustibles such as mulch is 36" as measured from the
center of the outlet or cap. This 36" radius continues to
grade or a minimum of 7 feet below the outlet.
Certain Canadian and or Local codes or regulations
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may require different clearances.
A vent shall not terminate directly above a side-walk or
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paved driveway which is located between two single family
dwellings and serves both dwellings.
Only permitted if veranda, porch, deck, or balcony is
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fully open on a minimum of 2 sides beneath the floor.
NOTE: In Canada, where passage through a wall or
partition of combustible construction is desired, the
installation shall conform to CAN/CSA-B365.
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3-90-775
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(with outside air installed, 6 feet )
1,2
P35i Fireplace Insert
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(B. also)
1,3
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