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Other Than Direct Vent Terminal Clearances (Outdoor Units)
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 so
D
horizontal distance of 2 feet (61 cm) from the center line of the terminal
E
Clearance to unven lated so
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 non-mechanical 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 oor.
8
TERMINATION
Clearance in
Ref. A also
applies to
anticipated
snow line
SNOW
Descripti n
, located above the terminal within a
Canadian Installa ons
(CSA B149.1)
12 inches (30 cm)
6 in (15 cm) for appliances ≤ 10,000 Btuh (3
kW), 12 in (30 cm) for appliances > 10,000 Btuh
(3 kW) and ≤ 100,000 Btuh (30 kW), 36 in (91
cm) for appliances >100,000 Btuh (30 kW)
*
*
*
*
*
*
Above a regulator within 3 ft (91 cm)
horizontally of the ver cal center line of the
regulator vent outlet to a maximum ver cal
distance of 15
6 in (15 cm) for appliances ≤ 10,000 Btuh (3
kW), 12 in (30 cm) for appliances > 10,000 Btuh
(3 kW) and ≤ 100,000 Btuh (30 kW), 36 in (91
cm) for appliances >100,000 Btuh (30 kW)
6 feet (1.83 m)
7 feet (2.13 m)
12 inches (30 cm)
For clearances not speci ed 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).
KBP Series Manual
X
AIR SUPPLY INLET
V
VENT TERMINAL
AREA WHERE TERMINAL IS
NOT PERMITTTED
US Installa ons
(ANSI Z223.1 / NFPA 54)
12 inches (30 cm)
4 ft (1.2 m) below or to side of
opening; 1
(4.5 m)
4 ft (1.2 m) below or to side of
opening; 1
3 feet (91 cm) above if within 10 feet
(3 m) horizontally
(300 mm) above opening
*
*
*
*
*
*
*
(300 mm) above opening
*
*
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