22
W415-0434 / G / 08.08.11
4.2.3 APPLIANCE VENT CONNECTION
A.
Install the inner
fl
ex pipe to the appliance. Secure with 3 screws
and
fl
at washers. Seal the joint and screw holes using the high
temperature sealant W573-0007 (not supplied).
B.
Install the outer
fl
ex pipe to the appliance. Attach and seal
the joints using the high temperature sealant W573-0002 (not
supplied).
28.1
2” OVERLAP
HIGH TEMP
SEALANT
#8 X 1/2”
SELF
DRILLING
SCREWS
4.3 USING RIGID VENT COMPONENTS
The vent system must be supported approximately every 3 feet for both vertical and horizontal runs. Use Wolf
Steel Ltd. support ring assembly or equivalent noncombustible strapping to maintain the minimum clearance to
combustibles for both vertical and horizontal runs.
All inner exhaust and outer intake vent pipe joints may be sealed using either red high temperature silicone
sealant W573-0002 (not supplied) or black high temperature sealant W573-0007 Mill Pac (not supplied) with
the exception of the appliance exhaust
fl
ue collar which must be sealed using Mill Pac.
25.1
4.3.1 HORIZONTAL AIR TERMINAL INSTALLATION
A.
Move
the
fi
replace into position. Measure the vent length
required between terminal and
fi
replace taking into
account the additional length needed for the
fi
nished
wall surface and any 1¼” overlaps between venting
components.
B.
Apply high temperature sealant W573-0007 (not
supplied) to the outer edge of the inner collar of the
fi
replace. Attach the
fi
rst inner rigid pipe component
and secure using 3 self tapping screws. Repeat using the
outer rigid pipe.
C.
Insert the vent pipes through the
fi
restop maintaining the required clearance to combustibles. Holding
the air terminal (lettering in an upright, readable position), secure to the exterior wall and make
weather tight by sealing with caulking (not supplied).
The air terminal mounting plate may be recessed into the exterior wall or siding no greater than the
depth of its return fl ange.
26.2
SEALANT
HI-TEMP
OUTER
PIPE
INNER
PIPE
CAULKING
2" OVERLAP
SCREWS
#10 x 2½"