22
4.2
USING RIGID VENT COMPONENTS
The vent system must be supported approximately every 3 feet (0.9m) for both vertical and horizontal runs.
EN
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.
4.3
HORIZONTAL AIR TERMINAL INSTALLATION
Move the appliance into position.
A.
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" (31.8mm)
overlaps between venting components.
Apply high temperature sealant
B.
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.
Insert the vent pipes through the fi restop maintaining the required clearance to
C.
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.
W415-1335 / 06.27.14
#10x2"
SCREWS
CAULKING
OUTER
RIGID
PIPE
2" (50.8mm) OVERLAP
25.1A
INNER
RIGID
PIPE
HI-TEMP
SEALANT
26.3