8 KBP Series Manual
Other Than Direct Vent Terminal Clearances (Outdoor Units)
INSIDE
CORNER DETAIL
FIXED
CLOSED
OPERABLE
FIXED
CLOSED
OPERABLE
B
B
B
A
J
B
M
C
F
B
B
E
D
L
G
A
H
K
I
[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] Permied only if veranda, porch, deck, or balcony is fully open on a
minimum of two sides beneath the oor.
For clearances not specied in ANSI Z223.1/NFPA 54, clearances are in
accordance with local installaon codes and the requirements of the gas
supplier.
Clearance to opposite wall is 24 inches (60 cm).
AIR SUPPLY INLET
VENT TERMINAL
AREA WHERE TERMINAL
IS NOT PERMITTTED
A Clearance above grade, veranda, porch, deck, or balcony 12 inches (30 cm) 12 inches (30 cm)
B Clearance to window or door that may be opened
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)
4 (1.2 m) below or to side of opening;
1 (300 mm) above opening
C Clearance to permanently closed window * *
D
Vercal clearance to venlated sot, located above the terminal within a
horizontal distance of 2 feet (61 cm) from the center line of the terminal
* *
E Clearance to unvenlated sot * *
F Clearance to outside corner * *
G Clearance to inside corner * *
H
Clearance to each side of center line extended above meter/regulator
assembly
3 feet (91 cm) within a height 15 feet (4.5 m)
above the meter/regulator assembly
*
I Clearance to service regulator vent outlet 36 inches (91 cm) *
J
Clearance to non-mechanical air supply inlet to building or the combuson
air inlet to any other appliance
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)
4 (1.2 m) below or to side of opening;
1 (300 mm) above opening
K Clearance to a mechanical air supply inlet 6 feet (1.83 m)
3 feet (91 cm) above if within 10 feet (3
m) horizontally
L
Clearance above paved sidewalk or paved driveway located on public
property
7 feet (2.13 m) *
M Clearance under veranda, porch, deck, or balcony 12 inches (30 cm) *
Clearance in
Ref. A also
applies to
ancipated
snow line
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