Clearance Requirements from Vent Terminations to Building Openings
Above grade, veranda, por
A=
or balcony
Window or door that may be opened
B=
Permanently closed window
C=
Vertical clearance to ventilated soffit
located above the terminal within a
D=
center of the terminal
E=
Unventilated soffit
Outside corner
Inside corner
G=
Each side of center line extended
above meter/regulator assembly
Service regulator vent outlet
I=
Nonmechanical air supply inlet or
combustion air inlet to any other
appliance
K=
L=
driveway located on public property
Under veranda, por
balcony
Clearance
opening, or 1' (0.3m)above opening
om the
above meter/regulator assembly
opening, or 1' above opening
dance with local installation codes and the requirements of the gas supplier.
Vent Terminal
Air Supply Inlet
Indoor Combustion Air
*
*
*
*
*
3' (0.9m)
3' above if within 10'
*
*
Area Where Terminal
is Not Permitted
Outdoor Combustion Air
(Direct Vent)
*
*
*
*
*
above meter/regulator assembly
3' (0.9m)
3' above if within 10'
*
*
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