Vent Terminal
Clearance
A= Above grade, veranda, porDIEFDL
or balcony
B= Window or door that may be opened
C= Permanently closed window
D=
Vertical clearance to ventilated soft
located above the terminal within a
IPSJ[POUBMEJTUBODFPGGFFUGSom the
center of the terminal
*
E= Unventilated soft *
' Outside corner *
G= Inside corner *
) Each side of center line extended
above meter/regulator assembly
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above meter/regulator assembly
I= Service regulator vent outlet hN
+
Nonmechanical air supply inlet or
combustion air inlet to any other
appliance
K= .FDIBOJDBMBJSTVQQMZJOMFU 3' above if within 10'
L= "CPWFQBWFETJEFXBMLPSQBWFE
driveway located on public property
Under veranda, porDIEFDLPS
balcony
*
.
.BJOUBJODMFBSBODFTJOBDDPSdance with local installation codes and the requirements of the gas supplier.
*
*

NCFMPXPSUPUIFTJEFPG
opening, or 1’ (0.3m)above opening
Air Supply Inlet
Area Where Terminal
is Not Permitted
Indoor Combustion Air
*
*
*
*
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above meter/regulator assembly
hN
3' above if within 10'
*
*
*


CFMPXPSUPUIFTJEFPG
opening, or 1’ above opening 
Outdoor Combustion Air
(Direct Vent)

Clearance Requirements from Vent Terminations to Building Openings

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