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© 2021 United States Stove Company
9
INSTALLATION
H. Minimum 1-foot [0.3m] clearance horizontally
from combustible wall.
NOTICE: This unit shall be installed in such a way
that the exhaust gases are directed so they do not
jeopardize people, overheat combustible structures,
or enter buildings. The chimney connector shall
not pass through an attic or roof space, closet or
similar concealed space, or a oor, or ceiling. Where
passage through a wall, or partition of combustible
construction is desired, the installation shall
conform to CAN/CSA-B365, Installation Code for
Solid-Fuel-Burning Appliances and Equipment.
IMPROPER INSTALLATION:
THE MANUFACTURER WILL NOT BE HELD
RESPONSIBLE FOR DAMAGE CAUSED BY
THE MALFUNCTION OF A HEATER DUE TO
IMPROPER VENTING OR INSTALLATION.
A source of fresh air shall be provided when required.
To ensure this make sure that the intake to the
concentric vent system is clear of all obstructions
during use. You must use the Duravent FasNSeal
Concentric Vent System designed to work with this
appliance from United States Stove Company. DO
NOT substitute other venting systems. The 3”
x 5” horizontal square termination kit (35CVS-KUS)
includes:
• 3” x 5” stove adapter
• Adjustable Horizontal Square Cap 35CVS-HZSQ
• Wall Thimble 35CVS-WT
1. DirectVent Pro pipe and ttings are designed
with special twist-lock connections. To connect
the venting system to the appliance ue outlet,
a twist-lock Appliance Adaptor is required. The
adaptor will be supplied for installation in the
eld. Assemble the desired combination of Pipe
Sections and Elbows to the Appliance Adaptor.
Notes:
• Twist-lock procedure - Line up locking lugs on
male and female ends of pipe sections. Insert
the male end of pipe into the female end until
the locking lugs are covered. Twist the female
end clockwise an eighth of a turn to lock sections
together. Three screws are required to secure the
joint, ensure they do not penetrate the inner wall
of the vent pipe.
• Horizontal runs of vent pipe must be supported
to prevent any downward sags. Horizontal pipe
sections should be supported at least every 4 feet.
Wall Straps can be used for this purpose.
• Seal all joints with high temperature silicone.
2. With the appliance adaptor and pipe section
attached to the appliance, slide the appliance
into its correct location, and mark the wall for a
hole of the appropriate size. The center line of
the pipe should line up with the center of the
hole. Cut and frame the hole in the exterior
wall where the vent will be terminated. A Wall
Thimble is required.
Notes:
• The horizontal run of venting must be level, or
have a 1/4 inch rise for every 1 foot of run towards
the termination. Never allow the vent to run
downward. A downward slope can trap heat and
become a possible re hazard.
• The location of the Horizontal Vent Termination on
an exterior wall must meet all local and national
building codes, and must not be easily blocked or
obstructed. Termination clearances as shown in
the “Vent Termination Clearances” section.
MALE
END
FE
MALE
END
SCRE
WS
Duravent Fasnseal Concentric
Vent System Twist-lock Procedure
Exterior Wall Thimble
Concentric Vent
Attachment
10.52
5.85
5.10
Adjustable Horizontal
Square Cap
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