Vent Terminal Clearances - Heat&Glo 6KX-CU Installation Manual

C. Vent Terminal Clearances
C
V
B
J
B
V
D
V
U.S.A. Installations: In accordance with the current ANSI Z223.1/NFPA 54, National Fuel Gas Code.
Canadian Installations: In accordance with the current CSA B149.1, Natural Gas and Propane Installation Code.
A Clearance above grade,veranda, porch, deck, balcony or roof.
B Clearance to window or door that may be opened, or to permanently closed window
clearance below unventilated soffit
C
clearance below ventilated soffit
clearance below any vinyl soffits and electrical service
D clearance to outside corner
E clearance to inside corner
F clearance to each side of center line extended above gas meter/regulator assembly
G clearance to gas service regulator vent outlet
clearance to non-mechanical air supply inlet to building or the combustion air inlet to any other
H
appliance termination (mechanical or non-mechanical)
clearance to a mechanical (powered) air supply inlet
I ***(All mechanical air intakes within 10 feet of a horizontal termination cap must be a minimum
of 3 feet below termination.)
On public property: clearance above paved sidewalk or a paved driveway.
J
**(A vent shall not terminate directly above a sidewalk or paved driveway which is located between two single family dwellings and
serves both dwellings.)
clearance from sides of electrical service
K
Location of the vent termination must not interfere with access to the electrical service.
clearance above electrical service
L
Location of the vent termination must not interfere with access to the electrical service.
clearance under veranda, porch, deck, balcony or overhang
*(Permitted only if veranda, porch, deck, or balcony is
fully open on a minimum of two sides beneath the floor.)
M
vinyl or composite overhang
Figure 4.5 Minimum Clearances for Termination
30
F
B
V
G
V
A
Heat & Glo • 6KX, 6KX-LP, 8KX, 8KX-LP Installation Manual • 2583-980 • Rev. C • 5/23
= AREA WHERE TERMINAL IS NOT PERMITTED
X
= AIR SUPPLY INLET
V
= VENT TERMINAL
H or i
X V
H
M
V V
H
V
With TRAP-VSS: 14 in. (356 mm)
With TRAP-VSS: 14 in. (356 mm)
With TRAP-VSS: 26 in. (660 mm)
With TRAP-VSS: 14 in. (356 mm)
V
L
K
Electrical
V
Service
C
A V
U.S.A.
12 in. (305 mm)
9 in. min.
(229 mm min.)
18 in. (457 mm)
18 in. (457 mm)
30 in. (762 mm)
6 in. (152 mm)
6 in. (152 mm)
Clearance in accor-
dance with local in-
stallation codes and
the requirements of
the gas supplier.
3 ft (914 mm)
9 in. min.
(229 mm min.)
3 ft (914 mm)***
7 ft (2.1 m)
6 in. (152 mm)
12 in. (305 mm)
18 in.
(457 mm)
42 in. (1067 mm) 42 in. (1067 mm)
K
V
CANADA
12 in. (305 mm)
12 in. min.
(305 mm min.)
18 in. (457 mm)
18 in. (457 mm)
30 in. (762 mm)
6 in. (152 mm)
6 in. (152 mm)
3 ft (914 mm)
within a height 15
ft (4.5 m) above
the meter/regula-
tor assembly
3 ft (914 mm)
12 in. min.
(305 mm min.)
6 ft (1.8 m)
7 ft (2.1 m)**
6 in. (152 mm)
12 in. (305 mm)
18 in.*
(457 mm)*