6
W415-0244 / A / 05.15.03
AIR TERMINAL INSTALLATIONS
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Recommended to prevent condensation on windows and thermal breakage
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It is recommended to use a heat shield and to maximize the distance to vinyl clad soffits.
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The periscope GD-201 requires a minimum 18 inches clearance from an inside corner.
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This is a recommended distance. For additional requirements check local codes.
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Three feet above if within 10 feet horizontally.
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A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single fami
dwellings and serves both dwellings.
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Permitted only if the veranda, porch, or deck is fully open on a minimum of two sides beneath the floor.
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Recommenced to prevent recirculation of exhaust products. For additional requirements check local codes.
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
12 INCHES
9 INCHES
12 INCHES*
18 INCHES**
12 INCHES**
0 INCHES
0 INCHES***
2 INCHES***
3 FEET****
3 FEET****
9 INCHES
3 FEET†
7 FEET****
12 INCHES****
16 INCHES
2 FEET†*
Clearance above grade, veranda porch, deck or balcony.
Clearance to windows or doors that open.
Clearance to permanently closed windows.
Vertical clearance to ventilated soffit located above the terminal within
a horizontal distance of 2 feet from the centerline of the terminal.
Clearance to unventilated soffit.
Clearance to an outside corner wall.
Clearance to an inside
non
-combustible corner wall or protruding
non
-combustible obstructions (chimney, etc.).
Clearance to an inside combustible corner wall or protruding com-
bustible obstructions ( vent chase, etc.).
Clearance to each side of the centerline extended above the meter
/ regulator assembly to a maximum vertical distance of 15ft.
Clearance to a service regulator vent outlet.
Clearance to a non-mechanical air supply inlet to the building or a
combustion air inlet to any other appliance.
Clearance to a mechanical air supply inlet.
Clearance above a paved sidewalk or paved driveway located on
public property unless fitted with a heat shield kit GD-301.
Clearance under a veranda, porch, deck or balcony.
Clearance above the roof.
Clearance from an adjacent wall including neighbouring buildings.
CANADIAN
U.S.A.
12 INCHES
12 INCHES
12 INCHES*
18 INCHES**
12 INCHES**
0 INCHES
0 INCHES***
2 INCHES***
3 FEET
3 FEET
12 INCHES
6 FEET
7 FEET‡
12 INCHES††
16 INCHES
2 FEET†*
INSTALLATIONS
