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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 19. 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 does 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. The center of the hole is one (1)
inch (25.4 mm) above the center of the horizontal
vent pipe.
1 INCH MIN.
(25.4mm)
FLUE
OUTLET
WALL BRACKET
WALL STUD
8 FT. (2.4mm)