Bradford White LG1PV55H783N, Manual

Page: 9 / 41

9
Venting continued-
Canadian Installations
1
US Installations
2
A= Clearance above grade,
veranda, porch, deck or
balcony 12 inches
(30 cm)
12 inches
(30 cm)
B= Clearance to window or
door that may be
opened 6 in. (15 cm) for appliances
≤ 10,000 Btuh (3 kW), 12 in.
(30
cm) for appliances > 10,000
Btuh (3 kW) and
≤100,000 Btuh
(30 kW), 36 in. (91 cm) for
appliances >100,000 Btuh
(30 kW))
4 ft (1.2 m) below or to
side of opening; 1 ft (300
mm) above opening
C= Clearance to
permanently closed
window *b *b
D= Vertical clearance to
ventilated soffit located
above the terminal
within a horizontal
distance of 2 feet
(.6 m)
from the center line of
the terminal
*b *b
E= Clearance to
unventilated soffit *b *b
F= Clearance to outside
corner *b *b
G= Clearance to inside
corner *b *b
H= Clearance to each side
of center line extended
above meter/regulator
assembly 3 feet (.9 m) within a height
15 feet ( 4.6 m ) above the
meter/regulator assembly
*b
I= Clearance to service
regulator vent outlet or
oil tank vent 3 feet (.9 m ) *b
J= Clearance to non-
mechanical air supply
inlet to building or the
combustion air inlet to
any other appliance 12 inches
( 30 cm )
4 feet ( 1.2m ) below or to
side of opening;
12 inches ( 30 cm ) above
opening.
K= Clearance to a
mechanical air supply
inlet 6 feet
( 1.83 m )
3 feet ( 91 cm ) above if
within 10 feet horizontally
L= Clearance above paved
sidewalk or paved
driveway located on
public property 7 feet
( 2.13 m )†
7 feet
( 2.13 m )†
M= Clearance under a
veranda, porch, deck, or
balcony 12 inches
(
30 cm ) ‡
*b
1
In accordance with the current CAN/CGA-B149 Installation Codes .
2
In accordance with the current ANSI Z223.1-(Latest edition)/NFPA 54 National Fuel Gas Code .
† 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 a veranda, porch, deck or balcony is fully open on a minimum of two sides beneath the floor.
*a) A minimum clearance value determined by testing in accordance with section 2.20.
*b) “Clearance in accordance with local installation codes and the requirements of the gas supplier”.
This water heater has a certified category III, per latest ANSI Z 21.10.3-
2015.CSA 4.3-2015 revision. Refer to the latest edition of the National Fuel
Gas Code (ANSI Z223.1-latest edition), or in Canada, the Natural Gas and
Propane installation Code (B149.1-00 latest edition).