Hearth and Home Technologies CFX-Crescent Installing Support Brackets 4. Install Firestops

Use wall brackets to support vertical runs every 8 feet (2.4 m) above the fireplace flue outlet.

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.

WALL BRACKET

WALL STUD

	8 FT.
FLUE	(2.3m)
OUTLET

1INCH MIN. (25.4m)

Figure 11. Installing Support Brackets 4. Install Firestops

For Horizontal Runs - Firestops are REQUIRED on both sides of a combustible wall through which the vent passes. The exterior firestop is not required at the termination cap for model CFX-Crescent. (SLK- 01TRD is required for horizontal terminations).

To install firestops for horizontal runs that pass through either interior or exterior walls:

•Cut a 10-inch by 10-inch (254 mm X 254 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.

Heat & Glo • CFX-CRESCENT • 705-900 Rev. P • 12/07 19