10
Venting
Top or Rear Facing Take-O
ff
This appliance is supplied with a top facing take-o
ff
which may be converted to a rear facing one with no
extra parts required—see
Vent Outlet
page 19 for details.
Vent Material
This appliance is approved for installation using
4 x 6-5/8-inch co-axial direct vent pipe and accessories
as listed in
Approved Venting Components
pages 33–34.
This appliance may also be converted to co-linear
venting with two 3-inch
fl
ex pipes
(rear facing take-o
ff
only)
for use in solid-fuel burning
fi
replaces and
chimneys using approved adapers and accessories.
Instructions for co-linear conversion are packaged with
the co-linear adapter. See
Co-Linear
page 16 and
Approved Venting Components
pages 33–34.
Follow the installation instructions supplied with the
individual venting accessories.
Do not mix components from di
ff
erent manufacturers.
Do not cut pipe lengths; use adjustable lengths instead.
Vent Sealing
Seal all
outer
co-axial pipe and elbow joints, including
sectioned elbow joints, using high quality, high temper-
ature 2-inch wide self-adhesive aluminum foil tape
(Nashua-322-2 brand or similar). Wrap the tape com-
pletely around all
outer
joints and press
fi
rmly to seal.
A high-temperature black silicone sealant may be used
in the
outer
joints as a substitute to foil tape.
Ensure all the pipe joints have a minimum of 1-1/4 inch
overlap.
Wall Thickness
The appliance vent is suitable for penetrating a
combustible wall assembly up to 14 inches in thickness.
A non-combustible wall can be of any thickness up to
the maximum horizontal run of vent pipe allowed for
the particular installation.
Framing Vent in Combustible Walls & Ceilings
When penetrating through combustible walls and
ceilings, frame a minimum of 10 inches x 10 inches
opening and ensure that the insulation is kept clear of
the vent pipe using either a wall thinble or an attic
insulation shield. Also, seal all joints between the wall
plates, the wall and the vent pipe. Follow the installation
instructions supplied with the individual venting
components.
Overview
Tape all
OUTER
joints
(including all
elbow joints)
10” (254 mm)
10” (254 mm)
Align the vent
center to the
center of the
frame
All horizontal pipe runs must be graded 1/4 inch
per foot upwards in the direction of the exhaust
fl
ow. The
fi
nal pipe length, when terminating
through the wall may be graded downwards slightly
to prevent water migration.
Important Installer Notice—
Weather Sealing & Vapor Barrier
It is the installer’s responsibility to ensure that vent
installations through exterior walls are caulked and
weatherproofed in such a manner as to:
• Prevent rain from entering the wall from the
weather side by adequately caulking the outer
vent plate to the exterior wall surface.
• Prevent moisture inside the home from penetrat-
ing into the wall structure by ensuring the inside
wall plate is adequately sealed to the inside vapor
barrier.
• Prevent rain water and moisture from entering
the walls by sealing the joints between the outer
vent tube and the inner and outer wall plates.
We recommend the use of a high quality
polyurethane sealant.
