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Vent Termination Locations and Clearances
SECTION 6
TERMINATION LOCATIONS
#SFD-36
R.6 February 2022
29
HUSSONG MFG. CO., INC.
KOZY HEAT FIREPLACES
6.2 Minimum Vent Termination Clearances
Canadian installations
US installations
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 (recommended to prevent condensation on
window)
12” (30cm)*
12” (30cm)*
D
Vertical clearance to ventilated soffit located above the terminal within a horizontal
distance of 2 feet (61 cm) from the edge of the terminal
24” (61cm)*
24” (61cm)*
E
Clearance to unventilated soffit
12” (30cm)*
12” (30cm)*
F
Clearance to outside corner
0” (0cm)*
0” (0cm)*
G
Clearance to inside corner
12” (30cm)*
12” (30cm)
H
Clearance to each side of center line extended above meter/regulator assembly
3’ (91cm) within a height
15’ (4.5m) above the meter/
regulator assembly
*
I
Clearance to service regulator vent outlet
3’ (91cm)
*
J
Clearance to non mechanical air supply inlet to building or the combustion air inlet to
any other appliance
12” (30cm)
9” (23cm)
K
Clearance to mechanical air supply inlet
6’ (1.83m)
3’ (91cm) above if within 10’
(3m) horizontally
Massachusetts: 10’ (3m)
L
Clearance above paved sidewalk or paved driveway located on public property
7’ (2.13m)†
*
M
Clearance under veranda, porch deck, or balcony
12” (30cm)‡
12” (30cm)
N
Clearance between two horizontal terminations
12” (30cm)
12” (30cm)
O
Clearance between two vertical terminations (may be same height)
12” (30cm)
12” (30cm)
P
Above furnace exhaust or inlet
12” (30cm)
12” (30cm)
* Clearance in accordance with local installation codes and the requirements of the gas supplier.
† 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.
VINYL SOFFIT, VINYL CEILING, AND VINYL OVERHANG DISCLAIMER: Clearances to heat resistant material (i.e. wood, metal). This does not include vinyl. Hussong
Manufacturing Co., Inc. will not be held responsible for heat damage caused from terminating under vinyl overhangs, vinyl ceilings, or vinyl ventilated/unventi-
lated soffits.
AREA WHERE TERMINAL
IS NOT PERMITTED
B
B
L
J
K
C
G
P
H
I
D
E
A
N
F
M
O
FIGURE 6.2
Vent Termination Locations and Clearances