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B. Installing Vent Components
1. Attach the First Vent Component to the
Starting Collars
To attach the first vent component to the starting collars
of the fireplace:
• Apply a 3/8 inch (9.5mm) bead of stove cement around
the fireplace inner vent starting collar.
• Lock the vent components into place by sliding the con-
centric pipe sections with four (4) equally spaced interi-
or beads into the fireplace collar or previously installed com-
ponent end with four (4) equally spaced indented sections.
• When the internal beads of each outer pipe line up, ro-
tate the pipe section clockwise about one-quarter (1/4)
turn. The vent pipe is now locked together.
STARTING
COLLAR
FIRST VENT
COMPONENT
Figure 12. Attaching the First Vent Component
to the Starting Collars
WARNING: A 3/8 INCH (9.5 MM) BEAD OF
!
STOVE CEMENT MUST BE PLACED AROUND
THE FIREPLACE INNER VENT STARTING COLLAR
BEFORE ATTACHING THE FIRST VENT COMPO-
NENT. FAILURE TO SEAL THIS JOINT MAY CAUSE
THE FIREPLACE TO OPERATE IMPROPERLY. SEE
THE DIAGRAM .
WARNING: ENSURE THAT THE FIBER-
!
GLASS ROPE GASKET SUPPLIED WITH
THE FIREPLACE SEALS BETWEEN THE FIRST
VENT COMPONENT AND THE OUTER FIREPLACE
WRAP.
If the installation is for a termination cap attached directly
to the fireplace, skip to the sections, Install Firestops and
Vent Termination.
STOVE
SEALANT
BEAD
1 INCH
(25.4mm)
17
2. Continue Adding Vent Components
• Continue adding vent components, locking each suc-
ceeding component into place.
• Ensure that each succeeding vent component is secure-
ly fitted and locked into the preceding component in the
vent system.
• 90° elbows may be installed and rotated to any point
around the preceding component's vertical axis. If an
elbow does not end up in a locked position with the
preceding component, attach with a minimum of two (2)
sheet metal screws.
Figure 13. Adding Venting Components
3. Install Support Brackets
For Horizontal Runs - The vent system must be supported
every five (5) feet of horizontal run by a horizontal pipe support.
To install support brackets for horizontal runs:
• Place the pipe supports around the vent pipe.
• Nail the pipe supports to the framing members.
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