Page 14
Bradford White Corp.
*When vent terminal is less than 10 feet (3 m) horizontally
from a forced air inlet, the terminal must be at least 3 feet
(0.9 m) above the air inlet. (US only)
fig. 9 - Combustion air and Vent through Side Wall
U.S. Installations (see note 1)
Canadian Installations (see note 2)
a=
Clearance above grade, veranda, porch,
12 inches (30 cm)
12 inches (30 cm)
deck, or balcony
See note 6
See note 6
B=
Clearance to window or door that may be Direct vent only: 12 inches (30 cm);
36 inches (91 cm)
opened
Other than Direct vent: 4 ft (1.2m) below or to
side of opening; 1 ft (30 cm) above opening
C=
Clearance to permanently closed window
See note 4
See note 5
D=
Vertical clearance to ventilated soffit located
above the terminal within a horizontal
See note 4
See note 5
distance of 2 feet (61 cm) from the center
line of the terminal
e=
Clearance to unventilated soffit
See note 4
See note 5
f=
Clearance to outside corner
See note 4
See note 5
G=
Clearance to inside corner
See note 4
See note 5
H=
Clearance to each side of center line
3 feet (91 cm) within a height 15 feet
extended above meter/regulator assembly See note 4
above the meter/regulator assembly
I=
Clearance to service regulator vent outlet
See note 4
3 feet (91 cm)
J=
Clearance to nonmechanical air supply
Direct vent only: 36” (91cm)
inlet to building or the combustion air inlet Other than Direct vent: 4 ft (1.2m) below
36 inches (91 cm)
to any other appliance
or to side of opening; 1 ft (30 cm) above opening
K=
Clearance to a mechanical air supply inlet 3 feet (91 cm) above if within 10 feet (3 m)
6 feet (1.83 m)
horizontally
l=
Clearance above paved sidewalk or paved
Vent termination not allowed in this location
7 ft (2.1 m)
driveway located on public property
for category IV appliances.
See note 5
m=
Clearance under veranda, porch, deck,
See note 4
12 inches (30 cm)
or balcony
See note 5
notes:
1. In accordance with the current ANSI Z223.1 / NFPA 54 National Fuel Gas Code.
2. In accordance with the current CAN/CSA-B149 Installation Codes.
3. Permitted
only if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the floor.
4. For clearances not specified in ANSI Z223.1 / NFPA 54, clearance is in accordance with local installation codes and the
requirements of the gas supplier.
5. For clearances not specified in CAN/CSA-B149, clearance is in accordance with local installation codes and the requirements of the
gas supplier.
6. IMPORTANT: All terminals must be placed so that they remain a minimum 12” above expected snow line. Local codes may have
more specific requirements, and must be consulted.
Summary of Contents for BNTH1000
Page 2: ...Bradford White Corp...
Page 12: ...Page 8 Bradford White Corp Fig 6 Dimensions BNT 1700...
Page 38: ...Page 34 Bradford White Corp Fig 21 Ladder Diagram...
Page 39: ...Page 35 Brute Elite Boilers and Water Heaters Fig 22 Wiring Diagram...
Page 40: ...Page 36 Bradford White Corp...
Page 52: ...Page 48 Bradford White Corp Fig 51 Connection Terminals...
Page 130: ...Page 126 Bradford White Corp Fig 141 Rear Panel BNT1000 Fig 142 Rear Panel BNT1700...
Page 131: ...Page 127 Brute Elite Boilers and Water Heaters Fig 143 Machine Frame BNT1700...
Page 132: ...Page 128 Bradford White Corp Fig 144 Front Panels and Covers BNT1000 and BNT1700...
Page 133: ...Page 129 Brute Elite Boilers and Water Heaters Fig 145 Burners and Combustion Chamber BNT1000...
Page 134: ...Page 130 Bradford White Corp Fig 146 Burners and Combustion Chamber BNT1700...
Page 136: ...Page 132 Bradford White Corp Fig 149 Burner Detail BNT1700...
Page 139: ...Page 135 Brute Elite Boilers and Water Heaters This page intentionally left blank...
Page 140: ...Page 136 Bradford White Corp This page intentionally left blank...