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exterior Vent terMination reQuireMents
Minimum Clearance requirements
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 (61cm)
from the center line of the terminal (check with the local code)
e
Clearance to unventilated soffit
f
Clearance to outside corner: with AstroCap Termination Cap.
Clearance to outside corner: with all other approved Termination Caps.
g
Clearance to inside corner: with AstroCap Termination Cap
Clearance to inside corner: with all other approved Termination Caps.
h
Clearance to each side of center line extended above meter/regulator assembly
J
Clearance to service regulator vent outlet
K
Clearance to non-mechanical air supply inlet to building or the combustion air inlet to any other appliance
l
Clearance to a mechanical air supply inlet
M
Clearance above paved sidewalk or a paved driveway located on public property
n
Clearance under veranda, porch, deck, or balcony
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
installation
1
Canada
12"(30cm)
12"(30cm)
12"(30cm)
9" (23cm)
*
24"(60cm)
24"(60cm)
24"(60cm)
24"(60cm)
13"(33cm)
13"(33cm)
13"(33cm)
13"(33cm)
13"(33cm)
13"(33cm)
13"(33cm)
13"(33cm)
a
36"(90cm)
36"(90cm)
12"(30cm)
9" (23cm)
72"(1.8m)
36"(90cm)
┼
84"(2.1m)
12"(30cm)
‡
Regency Horizon HZ54E-10 Gas Fireplace
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2
usa
*
*
*
b
*
*
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