Vent Termina on Clearances
For indoor models, you must install a vent termina on to bring in combus on air and expel exhaust.
TERMINATION
Clearance in
Ref. A also
applies to
anticipated
snow line
SNOW
D
E
B
L
Ref
A
Clearance above grade, veranda, porch, deck, or balcony
B
Clearance to window or door that may be opened
C
Clearance to permanently closed window
Ver cal clearance to ven lated soffit, located above the terminal within
D
a horizontal distance of 2 feet (61 cm) from the center line of the
terminal
E
Clearance to unven lated soffit
F
Clearance to outside corner
G
Clearance to inside corner
Clearance to each side of center line extended above meter/regulator
H
assembly
I
Clearance to service regulator vent outlet
Clearance to nonmechanical air supply inlet to building or the
J
combus on air inlet to any other appliance
K
Clearance to a mechanical air supply inlet
Clearance above paved sidewalk or paved driveway located on public
L
property
M
Clearance under veranda, porch, deck, or balcony
[1] A vent shall not terminate directly above a sidewalk or paved driveway
that is located between two single family dwellings and serves both
dwellings.
[2] Permi ed only if veranda, porch, deck, or balcony is fully open on a
minimum of two sides beneath the floor.
INSIDE
CORNER DETAIL
G
A
C
FIXED
CLOSED
OPERABLE
F
B
Descrip on
VC Series Manual
H
B
FIXED
B
CLOSED
OPERABLE
B
J
B
A
Canadian Installa ons
12 inches (30 cm)
36 inches (91 cm)
*
*
*
*
*
3 feet (91 cm) within a height 15
feet (4.5 m) above the meter/
36 inches (91 cm)
36 inches (91 cm)
6 feet (1.83 m)
7 feet (2.13 m) 1
12 inches (30 cm) 2
∗
For clearances not specified in ANSI Z223.1/NFPA 54, clearances are in
accordance with local installa on codes and the requirements of the gas
supplier.
Clearance to opposite wall is 24 inches (60 cm).
I
M
K
X
AIR SUPPLY INLET
V
VENT TERMINAL
AREA WHERE TERMINAL
IS NOT PERMITTTED
US Installa ons
12 inches (30 cm)
12 inches (30 cm)
*
*
*
*
*
*
*
12 inches (30 cm)
3 feet (91 cm) above if within 10
feet (3 m) horizontally
*
*
7