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Hearth & Home Technologies  •  Bravo, Aztec  •  InD  •  703-900  Rev. N  •  8/06
10
V
= VENT  TERMINAL
X
= AIR SUPPLY INLET
= AREA WHERE TERMINAL IS NOT PERMITTED
     Figure 4.4    Minimum Clearances for Termination
A  
=  12 inches ...............clearances above grade, veranda, 
porch, deck or balcony
B = 
12 
inches 
...............clearances to window or door 
that may be opened, or to perma-
nently closed window. (Glass)
D* 
=  18 inches ...............vertical clearance to unventilated 
soffi t or to ventilated soffi t located 
above the terminal
 
    *30 inches ..............for vinyl clad soffi ts and below 
electrical service 
=   9 inches ................clearance to outside corner
=  6 inches .................clearance to inside corner
=  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
=  3 ft. (U.S.A.)
 
 
6 ft. (Canada) .........clearance to gas service regulator 
vent outlet
=  9 inches (U.S.A.)
 
 
12 inches (Canada) clearance to non-mechanical 
air supply inlet to building or the 
combustion air inlet to any other 
appliance
=  3 ft. (U.S.A.)
 
 
6 ft. (Canada) ...........clearance to a mechanical 
(powered) air supply inlet
L** = 7 
ft. 
..........................c l e a r a n c e   a b o v e   p a v e d 
sidewalk or a paved driveway 
located on public property
M*** =  18 inches.................clearance under veranda, porch, 
deck, balcony or overhang
  
42 
inches 
................vinyl 
CAUTION: IF EXTERIOR WALLS ARE FINISHED WITH VINYL SIDING, IT IS SUGGESTED THAT A VINYL PROTECTOR KIT BE INSTALLED. 
  **  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 fl oor, or meets Note 2.
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. (See vents components page)
NOTE 2: Termination in an alcove space (spaces open only on one side 
and with an overhang) are permitted with the dimensions specifi ed  for 
vinyl or non-vinyl siding and soffi ts.  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.
(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 traffi c areas.
NOTE 5: Location of the vent termination must not interfere with 
access to the electrical service.
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.
Hearth & Home Technologies assumes no responsibility for the 
improper performance of the appliance when the venting system 
does not meet these requirements.
Q
MIN
 = # termination caps x 3        R
MAX
 = (2 / # termination caps) x Q
ACTUAL
  
=  6 inches ..................non-vinyl sidewalls
 
 
12 inches ................vinyl sidewalls
P = 
ft.
Alcove  Applications 
S  =   6 inches ...................clearance from sides of elec-
trical service
T = 12 
inches 
..................clearance above electrical 
service
(See Note 5)
(See Note 5)
Electrical
Service
V
S
V
S
V
T
D*
V
M
N
P
R
Q
 
    
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