Approved Vent Materials - Westinghouse WBRCNG140W Installation Manual

Figure 8 – Vent Termination Detail
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
D
terminal within a horizontal distance of 2 feet from the center
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
H
/ regulator assembly
I
Clearance to service regulator vent outlet
Clearance to non-mechanical air supply inlet to building or
J
the combustion air inlet to any other appliance
K Clearance to a mechanical air supply inlet
L
Clearance above paved sidewalk or driveway located
M
Clearance under veranda, porch, deck, or balcony
Table 8 – Vent Termination Clearances
*NOTE: For clearances not specified in ANSI Z223.1/NFPA 54 or CAN/CSA-B 149.1, please use clearances in accordance with local
installation codes and the requirements of the gas supplier.
B. APPROVED VENT MATERIALS
Consult Table 9 or the most recent edition of ANSI Z223.1/NFPA 54 or CAN/CGA B149.1 as well as all applicable local codes and
regulations when selecting vent pipe materials.
DESCRIPTION
line of the terminal
US
1 foot
1 foot
*
*
*
*
*
*
*
1 foot
3 feet above if within 10 feet
horizontally
*
*
NOTICE
CANADA
1 foot
3 feet
*
*
*
*
*
3 feet with a height 15 feet
above meter / regulator
assembly
3 feet
3 feet
6 feet
7 feet
1 foot
WHL-012 REV. 12.17.14
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