18
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V
= VENT TERMINAL
X
= AIR SUPPLY INLET
= AREA WHERE TERMINAL IS NOT PERMITTED
Figure 20. Vent Termination Minimum Clearances
A
= 12" ....................... clearances above grade, veran-
da, porch, deck or balcony
B
= 12" ....................... clearances to window or door
that may be opened, or to per-
manently closed window.
D*
= 36" ....................... vertical clearance to ventilated
soffit located above the terminal
within a horizontal distance of 2
feet (60 cm) from the center-line
of the terminal
E*
= 36" ....................... clearance to unventilated soffit
F
= 9" ......................... clearance to outside corner
G
= 6" .......................... clearance to inside corner
H
= 3 ft. (Canada) ...... not to be installed above a gas
meter/regulator assembly within
3 feet (90cm) horizontally from the
center-line of the regulator
I
= 3 ft. (U.S.A.)
6 ft. (Canada) ....... clearance to service regulator
vent outlet and electric service
J
= 9" (U.S.A.)
12" (Canada) ......... clearance to non-mechani-
cal air supply inlet to build-
ing or the combustion air in-
let to any other appliance
K
= 3 ft. (U.S.A.)
6 ft. (Canada) ......... clearance to a mechanical
air supply inlet
L** = 7 ft. ......................... clearance above paved
sidewalk or a paved driveway
located on
public
property
M*** = 36" ......................... clearance under veranda,
porch, deck or balcony
N
= 6” ........................... non-vinyl soffit and siding
12” ......................... vinyl soffit and siding
O
= 18” ......................... non-vinyl soffit and siding
42” ......................... vinyl soffit and siding
P
= 8 ft.
D
E
B
L
v
v
v
v
v
v
v
v
B
B
A
H
M
X
J or K
I
A
G
F
U.S.
(3 FT)
B
CAUTION:
IF EXTERIOR WALLS ARE FINISHED WITH VINYL SIDING, IT IS NECESSARY TO INSTALL THE VINYL PROTECTOR
KIT TO THE TOP OF THE EXTERIOR FIRESTOP (FOR ALL ROUND TERMINATION CAPS). IT IS STRONGLY RECOMMENDED
WHENEVER POSSIBLE TO USE THE VINYL PROTECTOR KIT.
*
5 foot minimum for vinyl clad soffits.
** a vent shall not terminate directly above a sidewalk or paved
driveway which is located between two single family dwellings
and serves both dwellings.
*** only permitted if veranda, porch, deck or balcony is fully open on
a minimum of 2 sides beneath the floor.
NOTE 1
: On private property where termination is less than 7 feet
above a sidewalk, driveway, deck, porch, veranda or balcony, use of
a listed cap shield is suggested.
NOTE 2
: Termination in an alcove space (spaces open only on one side
and with an overhang) are permitted with the dimensions specified for
vinyl or non-vinyl siding and soffits.
1
. There must be 3 feet minimum
between termination caps.
2.
All mechanical air intakes within 10 feet
of a termination cap must be a minimum of 3 feet below the termination
cap.
3.
All gravity air intakes within 3 feet of a termination cap must be
a minimum of 1 foot below the termination cap.
O
N
P
R
Q
(See Note 1)
(See Note 1)
(See Note 2)
NOTE 3
: Local codes or regulations may require different
clearances.
NOTE 4:
Termination caps may be hot. Consider their proximity to
doors or other traffic areas.
WARNING: In the U.S:
Vent system termination is
NOT
permitted
in screened porches. You must follow side wall, overhang and
ground clearances as stated in the instructions.
In Canada:
Vent system termination is
NOT
permitted in screened
porches. Vent system termination is permitted in porch areas
with two or more sides open. You must follow all side walls,
overhang and ground clearances as stated in the instructions.
Heat-N-Glo assumes no responsibility for the improper perfor-
mance of the fireplace when the venting system does not meet
these requirements.
Q
MIN
R
MAX
1 cap
3 feet
2 x Q
ACTUAL
2 caps
6 feet
1 x Q
ACTUAL
3 caps
9 feet
2/3 x Q
ACTUAL
4 caps
12 feet
1/2 x Q
ACTUAL
Q
MIN
= # termination caps x 3 R
MAX
= (2 / # termination caps) x Q
ACTUAL