9
Vent Termination
Vent Terminal
Air Supply
Area Where Terminal Not Permitted.
A - Clearance above grade, veranda, porch, deck, or balcony 12 inches
(30cm) minimum.
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B - Clearance to window or door that may be opened. 12 inches (30cm)
minimum for appliances 100 000 Btuh (30 kW) and lower.
C - Clearance to permanently closed window minimum 12 inches (30cm)
recommended to prevent condensation on window.
D - Vertical clearance to ventilated soffit located above the terminal within
a horizontal distance of 2 feet (60cm) from the center line of the termi-
nal. 18 inches (46cm) minimum.
E - Clearance to unventilated soffit 12 inches (30cm) minimum.
F - Clearance under veranda, porch, deck or balcony 12 inches
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(30cm)
minimum.
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G - Clearance from a perpendicular inside wall to the edge of the vent
terminal is 14” (35.5cm).
H - Not to be installed above a meter/regulator assembly within 3 feet
(90cm) horizontally from the center line of the regulator.
I - Clearance to service regulator vent outlet 6 feet (1.8m) minimum.
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J - Clearance to non-mechanical air supply inlet to building or the
combustion air inlet to any other appliance 12 inches (30cm) mini-
mum for appliances 10 000 Btuh (30kW) and lower, 36 inches
(90cm) minimum for appliances greater than 100 000 Btuh
(30kW).
K - Clearance to a mechanical air supply inlet 6 feet (1.8m) minimum.
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L - Clearance above paved sidewalk or a paved driveway located on
public property 7 feet (2.1m) minimum.
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V
NOTE: Clearances are to the terminal center line. Add 6 inches to
clearances not indicated as measured from center line.
NOTE: Local Codes or Regulations may require different clear-
ances.
Termination
It is imperative that the vent termination be located observing the mini-
mum clearances as shown. There must not be any obstruction such as
bushes, garden sheds, fences, decks or utility buildings within 24” from
the front of the termination.
Do not locate termination where excessive snow or ice build-up may
occur. Be sure to check vent termination area after snow falls and clear
to prevent accidental blockage of venting system. When using snow
blowers, make sure snow is not directed towards vent termination area.
General Venting Information
The gas fireplace is approved to be vented either through the side wall
or vertically through the roof.
ONLY VENTING COMPONENTS SPECIFICALLY APPROVED
AND LABELLED FOR THIS FIREPLACE MAY BE USED.
Minimum clearance between vent pipes and combustible materials is 1
inch (25mm).
NOTE: Clearance between vent pipe and combustibles at the wall
thimble is 2 inches (50mm).
Venting terminal shall not be recessed into a wall or siding.
1 - As specified in CGA B149 installation codes (1991).
2 - Only permitted if veranda, porch, deck, or balcony is fully open on a minimum of two
sides beneath the floor.
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3 - A vent shall not terminate directly above a sidewalk or paved driveway which is located
between two single family dwellings and serves both dwellings.
