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Heat & Glo • CFX-CRESCENT • 705-900 Rev. P • 12/07
17
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 (9.5 mm) bead of stove cement
around the 4 inch (102 mm) fireplace starting collar.
• Slide the first vent section onto the collars attached
to the top of the unit. Use four self tapping screws to
secure the outer pipe to the outer collar.
• Apply a 3/8 inch (9.5mm) bead of stove cement
around the 6 5/6 inch (168mm) outer collar.
1. Apply the stove
cement.
2. Line up the internal
beads and slide pipe
on. Note: Outer pipe
slides into outer (cone
shaped) collar 1/2 inch.
3. Fasten with four
screws.
4. Apply the stove
cement to outer collar
joint.
STARTING
COLLAR
STOVE
SEALANT
BEAD
1 INCH
(25.4mm)
FIRST VENT
COMPONENT
3/8” (9.5mm)
!
Figure 9. 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 4 INCH (102
MM) FIREPLACE STARTING COLLAR
BEFORE ATTACHING THE FIRST VENT
COMPONENT. FAILURE TO SEAL THIS
JOINT MAY CAUSE THE FIREPLACE
TO OPERATE IMPROPERLY. SEE THE
DIAGRAM .