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4 4
Termination Location and Vent Information
A. Vent Termination Requirements
Sidewalk
V
WARNING: Venting terminals must not be recessed into a
wall or siding.
NOTE: Only PL or L vent pipe wall pass-throughs and 昀椀re
stops should be used when venting through combustible
materials.
NOTE: Always take into consideration the a昀昀ect the
prevailing wind direction or other wind currents will cause
with 昀氀yash and /or smoke when placing the termination.
In addition, the following must be observed:
A. The clearance above grade must be a minimum of 12".
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, 9" 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 so昀케t located
above the terminal within a horizontal distance of 2 feet
(607mm) from the center-line of the terminal must be a
minimum of 18".
E. The clearance to an unventilated so昀케t 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 (914mm)
above a gas meter/regulator assembly when measured
from the horizontal center-line of the regulator.
10
Inside Corner
Detail
Fixed
Closed
Openable
A
=Vent Terminal
Harman® • P42i Pellet Insert Installation Manual • 2023 -___ • 08/23
Chimney connector shall not pass through an attic or roof
space, closet or similar concealed space, or a 昀氀oor or ceiling.
Openable
Fixed
Closed
=Air Supply Inlet
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
appliance must be a minimum of 48".
K. The clearance to a mechanical air supply inlet must be
a minimum of 10 feet. (with outside air installed, 6
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 balcony
must be a minimum of 12". (B. also)
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 may
require di昀昀erent clearances.
A vent shall not terminate directly above a side-walk
or paved driveway which is located between two
single family dwellings and serves both dwellings.
Only permitted if veranda, porch, deck, or balcony is fully
open on a minimum of 2 sides beneath the 昀氀oor.
See NFPA 211 for more installation clearance reductions
when using outside air.
NOTE: In Canada, where passage through a wall or
partition of combustible construction is desired, the
installation shall conform to CAN/CSA-B365.
Porch or
Deck
Openable
or Fixed
=Area where termination is not permitted
8742-901D
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