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VENT TERMINAL CLEARANCES
A= Clearance above grade, verandah, porch, deck, or
balcony [*12 inches (30 cm) minimum]
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B= Clearance to window or door that may be opened
[*12 inches (30 cm) minimum]
C= Clearance to permanently closed window
[minimum 12 inches (30 cm) recommended to prevent
condensation on window]
D= Vertical clearance to ventilated soffit located above the
terminal within a horizontal distance of 2 feet (60 cm)
from the center-line of the terminal (24 inches (60 cm)
minimum)
E= Clearance to unventilated soffit
[18 inches (45 cm) minimum]
F= Clearance to outside corner [12 inches minimum]
G= Clearance to inside corner [`12 inches minimum]
H= *Not to be installed above a meter/regulator assembly
within 3 feet (90 cm) horizontally from the center-line of
the regulator
I= Clearance to service regulator vent outlet
[*6 feet (1.8m) minimum]
J= Clearance to non-mechanical air supply inlet to building
or the combustion air inlet to any other appliance
[12 inches (30 cm) minimum]
K= Clearance to a mechanical air supply inlet
[*6 feet (1.8m) minimum]
L=*** Clearance above paved side-walk or paved driveway
located on public property
[*7 feet (2.1m) minimum]
M= Clearance under verandah, porch, deck, or balcony
[*24 inches (60 cm) minimum **]
*** A vent shall not terminate directly above a sidewalk or paved driveway, which is located between two single family dwellings
and serves both dwelling
** Only permitted if verandah. Porch, deck, or balcony is fully open on a minimum of 2 sides beneath the floor
As specified in CGA B149 Installation Codes (1991) Note: Local Codes or Regulation
WHEN VENTING THIS APPLIANCE YOU MUST STAY WITHIN THE
SHADED AREA (see venting chart provided) FOR ALL VENTING
APPLICATIONS.
Installations over 15 feet
(4.5m) vertical require the
use of a vent restrictor
VENT RESTRICTOR RING: A vent restrictor ring is supplied with each
direct vent fireplace. This restrictor ring is to be installed when the vertical
chimney installation is over 15’ (4.57 M). Before the chimney is placed onto
the stove, place this vent restrictor ring into the 4” (10.16 CM) flue pipe(as
shown), once the vent restrictor ring has been installed, the vertical sections
of chimney can be installed.