Exhaust Vent And Intake Pipe Location - Westinghouse WBRC 140 Series Installation, Start-Up, Maintenance, Parts, Warranty

D. Exhaust Vent and Intake Pipe Location
I
Exhaust Vent Terminal
E
Figure 18 - Exit Terminals for Direct Vent Systems - ANSI Z223.1 / NFPA 54 for US and CAN/CSA B149.1 for Canada
A Clearance above grade, veranda, porch, deck, or balcony
B
Clearance to window or door that may be opened
C Clearance to permanently closed window
Vertical clearance to ventilated soffit located above the terminal within
D
a horizontal distance 2 feet (61 cm) from the center line of the terminal
E Clearance to unventilated soffit
F Clearance to outside corner
G Clearance to inside corner
Clearance to each side of center line extended above meter / regulator
H
assembly
I
Clearance to service regulator vent outlet
Clearance to nonmechanical air supply inlet to building or
J
the combustion air inlet to any other appliance
K
Clearance to mechanical air supply inlet
Clearance above paved sidewalk or paved driveway located
L
on public property
M
Clearance under veranda, porch deck, or balcony
Table 14 - Vent Termination Clearances - *NOTE: For clearances not specified in ANSI Z223.1 / NFPA 54 for US and CAN/CSA B149.1 for Canada,
please use clearances in accordance with local installation codes and the requirements of the gas supplier.
The building owner is responsible for keeping the exhaust and intake terminations free of snow, ice, or other potential blockages, as well
as scheduling routing maintenance. Failure to keep the vent piping terminations clear and properly maintain the boiler could result in
property damage, severe personal injury, or death.
For each floor containing bedroom(s), a carbon monoxide detector and alarm shall be placed in the living area outside the bedrooms, as
well as in the room that houses the boiler. Detectors and alarms shall comply with NFPA 720 (latest edition). Failure to comply with these
requirements could result in product damage, severe personal injury, or death.
INSIDE CORNER
DETAIL
G
E
A
B
B
E
OPERABLE
FIXED
CLOSED
E
M B
E
I
E
J
A
K
Intake Pipe Terminal
I
DESCRIPTION
WARNING
!
H
E
C
FIXED
E
CLOSED
OPERABLE
F
E
B
E
I
L
B
Area Where Intake Terminal Is Not Permitted
Direct Vent
4 ft below or to side of
Power Vent
opening; 1 ft above opening
Direct Vent
4 ft below or to side of
Power Vent
opening; 1 ft above opening
3 feet above if within 10 feet
horizontally
Direct Vent
Power Vent 7 feet (2.13 m)
D
I
E
K
LP-179-CC
03/28/17
US CANADA
1 foot (30 cm)
1 foot
3 feet (91 cm)
*
*
*
*
*
*
Above a regulator
within 3 feet (91 cm)
horizontally of the
* vertical center line of
the regulator vent outlet
to a maximum vertical
distance of 15 ft (4.5 m)
1 foot
3 feet (91 cm)
6 feet (1.83 m)
*
7 feet (2.13 m)
* 1 foot (30 cm)
whl-648 Rev. 001 Rel. 003 Date 10.8.19
31