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4.3
using either fl exible or rigid vent components
WARNING
!
•
Do not allow the inner fl ex pipe to bunch up on horizontal or vertical runs and elbows. Keep it pulled tight.
•
Spacers are attached to the inner fl ex pipe at predetermined intervals to maintain an even air gap to the outer
fl ex pipe. This gap is required for safe operation. A spacer is required at the start, middle, and end of each
elbow to ensure this gap is maintained. These spacers must not be removed.
Elbow
Spacers
"Wolf Steel Approved Venting" or "E2" as identifi ed by the stamp only on the fl ex pipes.
4.3.1 horizontal air terminal installation
A.
Stretch the inner fl ex pipe to the required length taking
into account the additional length needed for the fi nished
wall surface. Apply a heavy bead of the red RTV silicone
(W573-0002) (not supplied) to the inner sleeve of the air
terminal. Slip the vent pipe a minimum of 2" (50.8mm)
over the inner sleeve of the air terminal and secure with a
minimum of 3 screws.
B.
Using the outer fl ex pipe, slide over the outer combustion
air sleeve of the air terminal and secure with a minimum
of 3 screws. Seal using red RTV silicone (W573-0002)
(not supplied).
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).
D.
If more vent pipe needs to be used to reach the fi replace,
couple them together, as illustrated. The vent system
must be supported approximately every 3 feet (0.9m) for
both vertical and horizontal runs. Use non-combustible
strapping to maintain the minimum clearance to
combustibles.
E.
Stove Appliances Only: From inside the house, using
Red RTV Silicone (W573-0002) (not supplied), seal
between the vent pipe and the fi restop. Then slide the black trim collar over the vent pipe up to the
fi restop.
The air terminal mounting plate may be recessed into the exterior wall or siding no greater than the
depth of its return fl ange.
For safe and proper operation of the appliance, follow the venting instructions
exactly.
The vent system must be supported approximately every 3 feet (0.9m) 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 fl ex pipe and outer fl ex pipe joints may be sealed using high temperature
red RTV silicone W573-0002 (not supplied) or the high temperature sealant W573-
0007 Mill Pac (not supplied). However, the high temperature sealant W573-0007
Mill Pac (not supplied) must be used on the joint connecting the inner fl ex pipe and
the exhaust fl ue collar.
Use only approved fl exible vent pipe kits marked:
venting installation
ADD FASTENER TYPE
Caulking
2" (50.8mm) Overlap
Red RTV Silicone
Screws
(Supplied)
ADD GRAPHIC
Screws
Red RTV Silicone
Outer Flex
Inner Flex
Pipe
Pipe
W415-1847 / A / 03.11.19
EN
Outer Flex Pipe
Inner Coupler
Outer Coupler
Outer Flex
Pipe
35
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