Kingsman MCVST42LP, Installation Instructions Manual

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Vent Terminal Clearances
Canadian installations 1 US installations 2
A
Clearance above grade, veranda,
porch, deck, or balcony
12 in (30 cm) 12 in (30 cm)
B
Clearance to window or door that
may be opened
6 in (15 cm) for appliances ≤ 10,000 Btu/h (3 kW),
12 in (30 cm) for appliances > 10,000 Btu/h (3
kW) and ≤ 100,000 Btu/h (30 kW), 36 in (91 cm)
for appliances > 100,000 Btu/h (30 kW)
6 in (15 cm) for appliances ≤ 10,000 Btu/h (3
kW), 9 in (23 cm) for appliances > 10,000 Btu/h
(3 kW) and ≤ 50,000 Btu/h (15 kW), 12 in (30
cm) for appliances > 50,000 Btu/h (15 kW)
C
Clearance to permanently closed
window
12 inches (30cm) recommended to prevent
condensation on window
12 inches (30cm). 9 inches (23cm) for
appliances 50,000 Btu’s and lower
D
Vertical clearance to ventilated soffit
located above the terminal within a
horizontal distance of 2 feet (61 cm)
from the center line of the terminal
18 inches (46cm) 18 inches (46cm)
E Clearance to unventilated soffit 12 inches (30cm) 12 inches (30cm)
F Clearance to outside corner 3” * 3” *
G Clearance to inside corner 3” * 3” *
H
Clearance to each side of center line
extended above meter/regulator
assembly
3 ft (91 cm) within a height 15 ft (4.5 m) above the
meter/regulator assembly
3 ft (91 cm) within a height 15 ft (4.5 m) above
the meter/regulator assembly
I
Clearance to service regulator vent
outlet
3 ft (91 cm) 3 ft (91 cm)*
J
Clearance to non-mechanical air
supply inlet to building or the
combustion air inlet to any other
appliance
6 in (15 cm) for appliances ≤ 10,000 Btu/h (3 kW),
12 in (30 cm) for appliances > 10,000 Btu/h (3
kW) and ≤ 100,000 Btu/h (30 kW), 36 in (91 cm)
for appliances > 100,000 Btu/h (30 kW)
6 in (15 cm) for appliances ≤ 10,000 Btu/h (3
kW), 9 in (23 cm) for appliances > 10,000 Btu/h
(3 kW) and ≤ 50,000 Btu/h (15 kW), 12 in (30
cm) for appliances > 50,000 Btu/h (15 kW)
K
Clearance to a mechanical air supply
inlet
6 ft (1.83 m) 3 ft (91 cm) above if within 10 ft (3 m)
horizontally
L
Clearance above paved sidewalk or
paved driveway located on public
property
7 ft (2.13 m)† 7 ft (2.13 m)*
M
Clearance under veranda, porch
deck, or balcony
12 in (30 cm)‡ 12 in (30 cm) *
Notes:
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.
* Clearance in accordance with local installation codes
and the requirements of the gas supplier.
† A vent shall not terminate directly above a sidewalk or
paved driveway that 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 two sides beneath the
floor.
It is imperative that the vent termination be located observing the minimum
clearances as shown. There must not be any obstruction such as bushes, garden
sheds, fences, decks or utility buildings within 24” from the front of the termination
plate.
Do not locate termination where excessive snow or ice build-up may occur. Be
sure to check vent termination area after snow falls and clear to prevent
accidental blockage of venting system. When using snow blowers, make sure
snow is not directed towards vent termination area.
Venting terminal shall not be recessed into a wall or siding. If finishing the outside
wall with vinyl or wood siding it is recommended that a Siding Shield be installed,
Part Number ZDVSSLR.
WARNING: A HORIZONTAL VENT
CERTIFIED GUARD (SAFETY
CAGE) IS AVAILABLE WHEN
REQUIRED BY LOCAL CODES.
Clearances are to
the edge of the
terminal plate.
Add 6-3/4” to
clearances to
arrive at
centerline.
Local codes or
regulations may
require different
clearances.
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