Bradford White LT199NXX1 Installation And Instruction Manual page 7

Wall, floor, and ceiling temperatures; or
B) a reference to the following footnote:
"Clearance in accordance with local installation codes and the requirements of the
gas supplier."
∆
Clearance Requirements from Vent Terminations to Building Openings
D
Non-Direct Venting (Single Pipe) Clearances
A = Clearance above grade,
veranda, porch, deck, or
balcony
A =
Clearance above grade, veranda, porch, deck, or balcony
B =
Clearance to window or door
that may be opened
B = Clearance to window or door that may be opened
C = Clearance to permanently closed window
Vertical clearance to ventilated soffit located above the
D =
terminal within a horizontal distance of 2 feet from the center
line of the termina
C = Clearance to permanently
closed window
E = Clearance to unventilated soffit
D = Vertical clearance to ventilated
F = Clearance to outside corner
soffit located above the
G =
Clearance to inside corner
Clearance to each side of center line extended above meter /
H =
regulator assembly
I = Clearance to service regulator vent outlet
November 2019
Clearance to non-mechanical air supply inlet to building or the
J =
combustion air inlet to any other appliance
K = Clearance to a mechanical air supply inlet
Clearance above paved sidewalk or paved driveway located on
L =
public property
M = Clearance under veranda, porch, deck or balcony
(See Clauses
Direct vent terminal clearances
E
B
L
C
V
Operable
V
F
B
Legend:
V
X
Description
© 2019 CSA America Standards Inc./
© 2019 Canadian Standards Association
Figure 2-A
4.31.2 and E.1.)
Inside
corner detail
G
V
A
B
B
Fixed
closed
Operable
V
Fixed
closed
B
X
V
B
J
A
= Vent terminal
= Air supply inlet
= Area where terminal is not permitted
Canadian installations
1
12 in (30 cm)
US Non-Direct
12 in (30 cm)
6 in (15 cm) for appliances
48 in (120 cm) below or to side of
≤ 10,000 Btuh (3 kW), 12 in
opening; 12 in (30 cm) above opening
(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)
As specified by the
manufacturer*
As specified by the
manufacturer*
48 in (120 cm) below or to side of
opening; 12 in (30 cm) above opening
36 in (91 cm) above if within
10 ft (3 m) horizontally
H
15 ft
V
M
V
J
K
Regulator vent outlet
In the event no
regulator is present,
H and I can be
disregarded.
US installations
2
12 in (30 cm)
Canadian Non-Direct
12 in (30 cm)
6 in (15 cm) for appliances
≤ 10,000 Btuh (3 kW), 9 in
36 in (91 cm)
(23 cm) for appliances
> 10,000 Btuh (3 kW) and
*
≤ 50,000 Btuh (15 kW), 12 in
(30 cm) for appliances
> 50,000 Btuh (15 kW)
*
As specified by the
manufacturer*
*
As specified by the
*
manufacturer*
*
(Continued)
36 in (91 cm) within a height 15 ft (4.57 m)
*
above the meter/ regulator assembly
* 36 in (91 cm)
36 in (91 cm)
6 ft (1.83 m)
* 7 ft (2.13 m)
* 12 in (30 cm)
7
X
*
*
*
*
*
89