21
Gas meter/Regulater
Vent Pipe Installation & Terminator Position
EXHAUST VENT TERMINATOR POSITION
Are a
US Insta lla tions
A
12 inches m in. clearance above grade, veranda, porch, deck,
balcony or m axm um unticipatde snow level.
B
12 inches m in. clearance on top or 4 feet clearance on top or
4 feet clearance below or to the side of door or window that
m ay be open.
C
Clearance to perm anently closed window.
D
12 inches m in. vertical clearance to ventilated soffit located
above the term inal within a horizontal distance of 2 feet from
the center line of the term inal.
E
12 inch m in. clearance to unventilated soffit.
F
Clearance to outside corner.
G
2 feet clearance to inside corner form ed by two exterior walls.
H
4 feet clearance to each side of center line extending above
m eter/regulator assem bly.
I
4 feet clearance to service regulator vent outlet.
J
12 inches clearance on top or 12 inches clearance below or
to the side of nonm echanical air supply inlet to building or the
com bustion air inlet to any other application.
K
3 feet above if within 10 feet horizontally of m echanical air
supply inlet.
For clearances not specified in ANSI Z223.1 / NFPA 54, please
use clearances in accordance with local installation codes and the
requirem ent of the gas supplier.
