Exhaust Vent And Intake Pipe Location - Westinghouse Premium WBCMC 500 Series Installation, Start-Up, Maintenance, Parts, Warranty

D. Exhaust Vent and Intake Pipe Location
I
K
Exhaust Vent Terminal
E
Figure 10 - 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 10 - 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 heater could result in
property 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
Intake Pipe Terminal
I
DESCRIPTION
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)
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 heater. 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.
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-445 Rev. 000 Rel. 014 Date 7.21.20
23