9
INSTALLATION INSTRUCTIONS
Figure 9
*
Clearance in accordance with local installation codes and the requirements of the gas supplier.
For Canadian and U.S. installations, the vent shall not terminate above a paved driveway that is located between two single family dwellings and serves both dwellings.
** The veranda, porch or deck is fully open on a minimum of two sides beneath the floor.
***The vent terminal must terminate at least four (4) feet (1.22m) below, four (4) feet (1.22m) horizontally from or one (1) foot (30 cm) above any door, window
and gravity air inlet to the building.
**** The vent terminal must terminate at least three (3) feet (91cm) above any forced air inlet duct located within ten (10) feet (3.05m).
The Vent Termination must have a:
Canadian Installations
U.S. Installations
A
) Clearance above grade, veranda, 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)
* * *
C
) Clearance to outside corner.
*
*
D
) Clearance to inside corner.
*
3 feet (91 cm)
E
) Clearance to service regulator vent outlet..
3 feet (91 cm)
6 feet (1.82 m)
F
) Clearance to each side of center line extended above
meter/regulator assembly.
3 feet (91 cm) within a
height 15 feet (4.57 m)
above the meter/regulator
assembly
3 feet (91 cm) within a
height 15 feet (4.57 m)
above the meter/regulator
assembly
G
) Clearance to non-mechanical air supply inlet to building or
the combustion air inlet to any other appliance..
12 inches (30 cm)
* * *
H
) Clearance to a mechanical air supply inlet.
6 feet (1.82 m)
* * * *
I
)
Clearance above paved sidewalk or paved driveway locat-
ed on public property.
7 feet (2.13 m)
7 feet (2.13 m)
•
Clearance under veranda, porch, deck or balcony.**
12 inches (30 cm)
Shall not
•
•
•
Clearance to permanently closed window.*
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.*
Clearance to unventilated soffit.*
