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33
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 27. 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 or 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 (254 mm X 254 mm) 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.
WALL BRACKET
WALL STUD
1 INCH MIN.
(25.4mm)
8 FT. (2.4m)
FLUE
OUTLET