6 720 608 782
12
Installation instructions
Fig. 11
* For clearances not specified in ANSI Z223.1 / NFPA 54 or CSA -B149.1. “Clearances in accordance with local installation codes and
the requirements of the gas supplier.”
Fixed
Closed
6720608836-18.1JF
Q
Ref. Description
Direct Vent Terminal
Clearances
Other than Direct Vent
Terminal Clearances
Canadian
Instalations
1)
US
Instalations
2)
Canadian
Instalations
1)
US
Instalations
2)
M
Clearance to permanently closed window
****
Vertical clearance to ventilated soffit located
above the terminal within a horizontal distance
os 2 feet (61 cm) from the center line of the
terminal
N/A N/A * *
N
Clearance to each side of center line extended
above meter/regulator assembly
3 feet (91 cm)
within a height
15 feet above
the meter/regula-
tor assembly
*
3 feet (91 cm)
within a height 15
feet above the
meter/regulator
assembly
*
O
Clearance to a mechanical air supply inlet 6 feet (1.83 m)
3 feet (91 cm)
above if within
10 feet (3 m)
6 feet (1.83 m)
3 feet (91 cm)
above if within
10 feet (3 m)
P
Clearance above paved sidewalk or paved
direway located on public property
7 feet (2.13 m)
3)
* 7 feet (2.13 m)
3)
7 feet (2.13 m)
Q
Clearance under veranda, porch, deck or
balcony
12 inches
(30cm)
4)
* 12 inches
(30cm)
4)
*
Table 7 Vent terminal clearances
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
3) A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and serves
both dwellings.
4) Permited only if veranda, porch, deck or balcony is fully open a minimum of two sides beneath the floor.
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