Pacific Energy Fusion Installation And Operating Instructions Manual - Vent Terminal
13
070905-24
FSGA 5056.4221
Vent Terminal
Clearances
Minimum clearances to the vent
terminal must be maintained as
shown in Fig #8 and Fig #9. Measure
clearances to the nearest edge of
termination hood.
NOTE: Vent terminal must not be
recessed into a wall or siding.
Follow vent terminal manufactur-
ers installation instructions.
NOTE: LOCAL CODES OR
REGULATIONS MAY REQUIRE
DIFFERENT CLEARANCES.
D
V
V
E
B
L
V
V
V
V
V
X
B
B
B
B
C
F
V
X
V
A
J
B
G
V
I
H
M
X
K
Fig. #8
Fig. #9
Canadian Installation
1
US Installation
2
A = Clearance above grade, verandah, porch, deck, or balcony.
12 inches (30 cm)
12 inches (30 cm)
B = Clearance to window or door that may be opened.
12 inches (30 cm)
9 inches (23 cm)
C = Clearance to permanently closed window (condensation).
12 inches (30 cm)
9 inches (23 cm)
D = Clearance to ventilated soffit located above the terminal within a horizontal distance of 2’ (61 cm)
12 inches (30 cm)
12 inches (30 cm)
from center-line of terminal.
E = Clearance to unventilated soffit.
12 inches (30 cm)
12 inches (30 cm)
F = Clearance to outside corner.
12 inches (30 cm)
12 inches (30 cm)
G = Clearance to inside corner.
12 inches (30 cm)
12 inches (30 cm)
H = Clearance to each side of center-line extended above meter/regulator assembly.
3 feet (91 cm) within height of 15
feet (4.5 m) above meter/regulator
I = Clearance around service regulator vent outlet.
3 feet (91 cm)
J = Clearance to non-mechanical air supply inlet to building, or the combustion air inlet to any
12 inches (30 cm)
9 inches (23 cm)
other appliance.
K = Clearance to a mechanical air supply inlet.
6 feet (1.83 m)
3 feet (91 cm) above if within
10’ (3m) horizontally
L = Clearance above paved sidewalkor a paved driveway located on public property
7 feet (2.13 m) †
M = Clearance under verandah, porch, deck or balcony.
12 inches (30 cm) ‡
12 finches (30 cm) ‡
1
In accordance with the current CSA B149.1, Natural Gas and Propane Installation Code
2
In accordance with the current ANSI Z223.1/NFPA 54, National Fuel Gas Code
† A vent shall not terminate directly above a sidewalk or paved driveway which is located between two single family dwellings and serves both dwellings.
‡ Permitted only if veranda, porch, deck or balcony is fully open on a minimum of 2 sides beneath the floor.
* Clearance in accordance with local installation codes and the requirements of the gas supplier.
24”
(61 cm)
48”
(122 cm)
36”
(91.5 cm)
24”
(61 cm)
*
*
*
VENT TERMINAL
AIR SUPPLY INLET
AREA WHERE TERMINAL IS NOT PERMITTED
INSIDE
CORNER
DETAIL
FIXED
CLOSED
FIXED
CLOSED
OPERABLE
OPERABLE
VENT TERMINAL MINIMUM CLEARANCES
VENT TERMINAL MINIMUM
CLEARANCES TO
ADJACENT STRUCTURES
ADJACENT
STRUCTURES
OR FENCE