Vertical Exhaust Gas Vent
opening.
MAINTAIN
SPECIFIED
CLEARANCE
SUPPORT
STRAP
MAINTAIN
1
CLEARANCE
VENT
CONNECTOR
SLOPE UP
1/4 IN. PER FT.
(21 mm PER METRE)
MINIMUM
VERTICAL GAS VENT SYSTEM WITH
TYPE B DOUBLE WALL VENT PIPE.
1
2
LISTED VENT CAP
MAINTAIN SPECIFIED CLEARANCE
1
TYPE B DOUBLE
WALL VENT PIPE
MAINTAIN
SPECIFIED
CLEARANCE
FIGURE 11.
specific application. Consult the current edition of current
edition of "Natural Gas and Propane Installation Code"
CSA B149.1.
MAINTAIN SPECIFIED CLEARANCE
1
SUPPORT
STRAP
MAINTAIN
CLEARANCE
1,2
VENT
CONNECTOR
SLOPE UP
1/4 IN. PER FT.
(21 mm
PER METRE)
MINIMUM
"Natural Gas and Propane Installation Code" CSA B149.1
14
1
1
SEAL
VENTING THROUGH A CHIMNEY WITH
TYPE B DOUBLE WALL VENT PIPE.
FIGURE 12.
LISTED VENT CAP
MAINTAIN
SPECIFIED
1,2
CLEARANCE
VENT CONNECTOR
UNUSED CHIMNEY
FLUE OR MASONRY
ENCLOSURE