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W415-0616 / B / 02.18.08
13
**
**
* Recommended to prevent condensation on windows and thermal breakage
**
This is a recommended distance. For additional requirements check local codes.
A
B
C
D
E
F
G
H
I
K
24 INCHES
48 INCHES
12 INCHES*
18 INCHES
0 INCHES
3 INCHES
9 INCHES
3 FEET
7 FEET**
12INCHES**
24 INCHES
2 FEET
Clearance above grade, veranda porch, deck or balcony.
Clearance beside or below any windows or doors that open.
Clearance above any window or door that opens.
Vertical clearance to ventilated soffit located above the terminal within a horizontal
distance of 2 feet from the centerline of the terminal.
Clearance to an outside corner wall.
Clearance to an inside combustible corner wall or protruding combustible ob-
structions ( vent chase, etc.).
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.
Clearance under a veranda, porch, deck or balcony.
Clearance above the roof.
Clearance from an adjacent wall including neighbouring buildings.
CLEARANCE
A
J
D
K
I
H
E
C
B
G
F
E
J
(Including Vegetation and Mulch)
MINIMUM AIR TERMINAL INSTALLATIONS
L
3 FEET within a
height of 15 FEET
above the meter/
regulator assembly
Clearance to each side of center line extended above natural gas or porpane
meter/regulator assembly or mechanical vent.
Illustration dimensions are to the center and the exhaust exit point of the vent.
B
L
Figure 8