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Heat & Glo • COSMO32-IFT-B, COSMO36-IFT-B, COSMO42-IFT-B Installation Manual • 2619-980 Rev. G • 7/20
C
J
B
D
B
F
B
A
E
V
V
V
V
V
V
M
H or i
V
G
X
V
H
A
V
V
H
Figure 4.5 Minimum Clearances for Termination
X
= AIR SUPPLY INLET
V
= VENT TERMINAL
= AREA WHERE TERMINAL IS NOT PERMITTED
Electrical
Service
V
K
V
K
V
L
C
V
C. Vent Terminal Clearances
U.S.A.
CANADA
A
Clearance above grade,veranda, porch, deck, or balcony
12 in. (305 mm)
12 in. (305 mm)
B
Clearance to window or door that may be opened, or to permanently closed window
U.S.A.: 9 in. min. (229 mm min.) CANADA: = 12 in. min.
(305 mm min.)
C
clearance below unventilated so
ffi
t
18 in. (457 mm)
18 in. (457 mm)
clearance below ventilated so
ffi
t
18 in. (457 mm)
18 in. (457 mm)
clearance below any vinyl so
ffi
ts and electrical service
30 in. (762 mm)
30 in. (762 mm)
D
clearance to outside corner
6 in. (152 mm)
6 in. (152 mm)
E
clearance to inside corner
6 in. (152 mm)
6 in. (152 mm)
F
not to be installed above a gas meter/regulator assembly within 3 feet horizontally from
the center-line of the regulator
3 ft (914 mm)
3 ft (914 mm)
G
clearance to gas service regulator vent outlet
3 ft (914 mm)
3 ft (914 mm)
H
clearance to non-mechanical air supply inlet to building or the combustion air inlet to
any other appliance termination (mechanical or non-mechanical)
9 in. (229 mm)
12 in. (305 mm)
I
clearance to a mechanical (powered) air supply inlet
***(All mechanical air intakes within 10 feet of a horizontal termination cap must be
a minimum of 3 feet below termination.)
3 ft (914 mm)***
6 ft (1.8 m)
J
On
public
property: clearance above paved sidewalk or a paved driveway.
7 ft (2.1 m)
7 ft (2.1 m)**
**(A vent shall not terminate directly above a sidewalk or paved driveway which is located between two single family dwellings
and serves both dwellings.)
K
clearance from sides of electrical service
6 in. (152 mm)
6 in. (152 mm)
Location of the vent termination must not interfere with access to the electrical service.
L
clearance above electrical service
12 in. (305 mm)
12 in. (305 mm)
Location of the vent termination must not interfere with access to the electrical service.
M
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
fl
oor.)
18 in. (457 mm)
12 in. (305 mm)*
vinyl or composite overhang
42 in. (1067 mm)
42 in. (1067 mm)
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.
