Vent Termination Clearance; Location Of Outdoor Terminations; Horizontal Installation - Nordyne TA-060C-08A Installation Instructions Manual

Location of Outdoor Terminations

Horizontal Installation

The vent termination tee must be installed with
the following minimum clearances. (See Figure
21.) Vent termination clearances shall be con-
VENT TERMINAL
A = Clearance above grade, veranda, porch,
deck, or balcony
B = Clearance to window or door that may be
opened
C = Clearance to permanently closed window
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
E = Clearance to unventilated soffit
F = Clearance to outside corner
G = Clearance to inside corner
H = Clearance to each side of center line
extended above meter/regulator assembly
I = Clearance to service regulator vent outlet
J = Clearance to nonmechanical air supply inlet
to building or the combustion air inlet to any
other appliance
K = Clearance to a mechanical air supply inlet
L = Clearance above paved sidewalk or paved
driveway located on public property
M = Clearance under veranda, porch deck, or
balcony
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 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.
* For clearances not specified in ANSI Z223.1 / NFPA 54 or CSA B149.1, one of the following statement shall be included:
"Clearance in accordance with local installation codes, and the requirements of the gas supplier and the
Figure 21. Vent Termination Clearances for Other Than Direct Vent Furnaces
20
sistent with the National Fuel Gas Code, ANSI
2223.1/NFPA 54 and/or the CSA B149.1,
Natural Gas and Propane Installation Code.
AIR SUPPLY INLET
1
Canadian Installations
12 inches (30 cm)
6 inches (15 cm) for appliances ≤ 10,000
Btuh (3 kW), 12 inches (30 cm) for
appliances > 10,000 Btuh (3 kW) and ≤
100,00 Btuh (30 kW), 36 inches (91 cm) for
appliances >100,00 Btuh (30 kW)
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3 feet (91 cm) within a height 15 feet
above the meter/regulator assembly
3 feet (1.83 m)
6 inches (15 cm) for appliances ≤ 10,000
Btuh (3 kW), 12 inches (30 cm) for
appliances > 10,000 Btuh (3 kW) and ≤
100,00 Btuh (30 kW), 36 inches (91 cm) for
appliances >100,00 Btuh (30 kW)
6 feet (1.83 m)
7 feet (2.13 m) †
12 inches (30 cm) ‡
manufacturer's installation instructions."
AREA WHERE TERMINAL IS NOT PERMITTED
2
US Installations
12 inches (30 cm)
4 feet (1.2 m) below or to side of opening;
1 foot (300 mm) above opening
4 feet (1.2 m) below or to side of opening;
1 foot (300 mm) above opening
3 feet (91 cm) above if within 10 feet (3 m)
horizontally
7 feet (2.13 m)
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