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For Vertical Runs - The vent system must be
supported every eight (8) feet (2.4 m) above the
fireplace flue outlet by wall brackets.
To install support brackets for vertical runs:
• Attach wall brackets to the vent pipe and secure
the wall bracket to the framing members with nails
or screws.
Use wall brackets to
support vertical runs
every 8 feet (2.4 m)
above the fireplace flue
outlet.
Figure 18. Installing Support Brackets
4. Install Firestops
For Horizontal Runs - Firestops are REQUIRED
on both sides of a combustible wall through which
the vent passes.
NOTE
Model DVK-01TRD and SLK-01TRD do not need
an exterior firestop on an exterior combustible wall.
To install firestops for horizontal runs that pass
through either interior or exterior walls:
• Cut a 12-inch by 12-inch (305 mm X 305 mm)
hole through the wall for D-series or a 10-inch by
10-inch (254mm X 254mm) hole for SL-D-series
pipe. The center of the hole is one (1) inch (25.4
mm) above the center of the horizontal vent pipe.
8 FT (2.8 m)
WALL
BRACKET
WALL
BRACKET
WALL
STUD
WALL
STUD
FLUE
OUTLET
FLUE
OUTLET
1" MIN.
25.4 mm)
1" MIN.
25.4 mm)