Fig. #41
M
K
I
A
V
G
G
H
A
J
V
G
A
B
C
A
V
V
A
V
B
F
B
L
V
E
V
V
V
D
A= clearances above grade, veranda, porch, deck, or balcony
[* 12 inches (30 cm) minimum]
B= clearance to window or door that may be opened [* 12
inches (30 cm) minimum]
C= clearance to permanently closed window [minimum 12
inches (30 cm) recommended to prevent condensation on
window]
D= vertical clearance to ventilated soffit located above the ter-
minal within a horizontal distance of 2 feet (60 cm) from the
edge of the terminal [30 inches (76 cm) minimum]
E= clearance to unventilated soffit [30 inches (76 cm) minimum]
F= clearance to outside corner [6 inches (15 cm) minimum]
G= clearance to inside corner [6 inches (15 cm) minimum]
H= * not to be installed above a meter/regulator assembly within
3 feet (90 cm) horizontally from the center-line of the regula-
tor
I= clearance to service regulator vent outlet [* 6 feet (1.8 m)
minimum]
J= clearance to non mechanical air supply inlet to building or
the combustion air inlet to any other appliance [* 12 inches
(30 cm) minimum]
K= clearance to a mechanical air supply inlet [* 6 feet (1.8 m)
minimum]
L= ^ clearance above paved side-walk or a paved driveway
located on public property [* 7 feet (2.1 m) minimum]
M= clearance under veranda, porch, deck, or balcony [30 inches
(76 cm) minimum**]
^ a vent shall not terminate directly above a side-walk or paved driveway which is located between two single family dwellings and
serves both dwellings*
** only permitted if veranda, porch, deck, or balcony is fully open on a minimum of 2 sides beneath the fl oor*
* as specifi ed in CSA B149 Installation Codes, Note: local Codes or Regulation may require different clearances
* for U.S.A. Installations follow the current National Fuel Gas Code, ANSI Z223.1
AIR SUPPLY INLET
VENT TERMINAL
GAS METER
FIXED
CLOSED
FIXED
CLOSED
OPEN-
ABLE
OPEN-
ABLE
AREA WHERE TERMINAL
IS NOT PERMITTED
36"
24"
48"
ADJACENT
24"
(91.5 cm)
(61 cm)
(61 cm)
(122 cm)
STRUCTURES
OR FENCE
Minimum clearances to the vent terminal must
be maintained as shown in fi gure #40 & 41.
Measure clearances to the nearest edge of
termination hood.
NOTE: Vent terminal must not be
recessed
NOTE: LOCAL CODES OR REGULATIONS
MAY REQUIRE DIFFERENT
CLEARANCES.
VENT TERMINAL MINIMUM CLEARANCES TO ADJACENT STRUCTURES
Fig. #40
23
TC36_CSTE 071010-44
Vent Terminal Clearance
Vent Terminal Minimum Clearances
Summary of Contents for TC36 SEE-THRUC SERIES
Page 40: ...40 TC36_CSTE 071010 44 Notes ...
Page 41: ...41 TC36_CSTE 071010 44 Notes ...
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