22
W415-0663 / C / 03.17.11
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 appliance into position. Measure the vent
length required between terminal and appliance
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 appliance. 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 the return
fl
ange.
26.1
SCREWS
#10x2"
OUTER
RIGID
PIPE
CAULKING
INNER
RIGID
PIPE
SCREWS
SELF DRILLING
#8x1/2"
1"OVERLAP
SEALANT
HI-TEMP
!
WARNING
RISK OF FIRE, DO NOT ALLOW LOOSE MATERIALS OR INSULATION TO TOUCH THE VENT PIPE.
REMOVE INSULATION TO ALLOW FOR THE INSTALLATION OF THE ATTIC SHIELD AND TO
MAINTAIN CLEARANCES TO COMBUSTIBLES.
