44 | Grandview® G800EC Gas Fireplace
installation
Exterior Vent Termination Requirements
Minimum Clearance Requirements
Canada
1
USA
2
A
Clearance above grade, veranda, porch, deck, or balcony 12"(30cm) 12"(30cm)
B
Clearance to window or door that may be opened 12"(30cm) 9" (23cm)
C
Clearance to permanently closed window * *
D
Vertical clearance to ventilated soffit located above the terminal within a horizontal distance of 2 feet (61cm)
from the center line of the terminal (check with the local code)
24"(60cm) 24"(60cm)
E
Clearance to unventilated soffit 19"(48cm) 19"(48cm)
F
Clearance to outside corner: with AstroCap Termination Cap. 13"(33cm) 13"(33cm)
Clearance to outside corner: with all other approved Termination Caps. 13"(33cm) 13"(33cm)
G
Clearance to inside corner: with AstroCap Termination Cap 11"(28cm) 11"(28cm)
Clearance to inside corner: with all other approved Termination Caps. 11"(28cm) 11"(28cm)
H
Clearance to each side of center line extended above meter/regulator assembly 36"(90cm)
a
*
J
Clearance to service regulator vent outlet 36"(90cm) *
K
Clearance to non-mechanical air supply inlet to building or the combustion air inlet to any other appliance 12"(30cm) 9" (23cm)
L
Clearance to a mechanical air supply inlet #3' (91cm) above if within 10' (3m) horizontally. 72"(1.8m) 36"(90cm)
b
M
Clearance above paved sidewalk or a paved driveway located on public property 84"(2.1m)
┼
*
N
Clearance under veranda, porch, deck, or balcony 12"(30cm)
‡
*
1
In accordance with 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 two sides beneath the floor
*
Clearance in accordance with local installation codes and the requirements of the gas supplier
a
3 feet (91cm) within a height of 15 feet (4.5m) above the meter / regulator assembly
b
3 feet (91cm) above - if within 10 feet (3m) horizontally
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