Vent Terminal Clearances - Majestic Quartz Series 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.
Clearance to window or door that may be opened, or to permanently closed
B
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
clearance to each side of center line extended above gas meter/regulator
F
assembly
G clearance to gas service regulator vent outlet
clearance to non-mechanical air supply inlet to building or the combustion air
H
inlet to any other 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 mini-
mum of two sides beneath the floor.)
M
vinyl or composite overhang
Figure 4.5 Minimum Clearances for Termination
Majestic • QUARTZPLA36IN / QUARTZPLA36IL Installation Manual • 2643-980 Rev. B • 7/22
18
F
B
V
G
M
V
A
= AREA WHERE TERMINAL IS NOT PERMITTED
X
= AIR SUPPLY INLET
V
= VENT TERMINAL
H or i
V
X
H
V V
H
V
A
12 in. (305 mm)
9 in. (229 mm)
18 in. (457 mm)
18 in. (457 mm)
30 in. (762 mm)
6 in. (152 mm)
6 in. (152 mm)
Clearance in accordance
with local installation codes
and the requirements of the
gas supplier.
3 ft (914 mm)
9 in. (229 mm)
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)
V
L
K
Electrical
V
Service
V
U.S.A. CANADA
12 in. (305 mm)
12 in. (305 mm)
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/
regulator assembly
3 ft (914 mm)
12 in. (305 mm)
6 ft (1.8m)
7 ft (2.1 m)**
6 in. (152 mm)
12 in. (305 mm)
12 in. (305 mm)*
42 in. (1067 mm)
K
V
C