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Heat & Glo • 6000TRSI-AUC • 2078-900 Rev. G • 12/06
10" (254mm)
12" (305mm)
INTERIOR
WALL SHIELD
For Vertical Runs - One firestop is REQUIRED at the
hole in each ceiling through which the flue passes.
To install firestops for vertical runs that pass through
ceilings:
• Position a plumb bob directly over the center of the
vertical flue component.
• Mark the ceiling to establish the centerpoint of the
flue.
• Drill a hole or drive a nail through this center point.
• Check the floor above for any obstructions, such as
wiring or plumbing runs.
• Reposition the heater and flue system, if neces-
sary, to accommodate the ceiling joists and/or ob-
structions.
• Cut a 10" x 10" (254mm X 254mm) hole through the
ceiling, using the firestop pipe opening as a guide.
• Frame the hole with framing lumber the same size
as the ceiling joists.
4. Install Firestops
For Horizontal Runs - Firestops are REQUIRED on
both sides of a combustible wall through which the flue
passes.
To install firestops (heat shield) for horizontal runs that
pass through either interior or exterior walls:
• Cut a 10-inch by 12-inch (254 mm X 305 mm) hole
through the wall.
• Position the firestops on both sides of the hole pre-
viously cut and secure the firestops with nails or
screws.
• The pipe opening of the firestops MUST BE placed
towards the bottom of the firestop.
• Continue the flue run through the firestop.
FIGURE 1.22 Flue Pipe & Firestop
FIGURE 1.21 Installing Support Brackets
WALL BRACKET
WALL STUD
8 FT.
(2.4m)
FLUE
OUTLET
1 INCH MIN.
(25mm)
3. Install Support Brackets
For Horizontal Runs - The flue system must be
supported every five (5) feet (1.5m) of horizontal run by
a horizontal pipe support. To install support brackets
for horizontal runs:
• Place the pipe supports around the flue pipe.
• Nail the pipe supports to the framing members.
For Vertical Runs - The flue system must be supported
every eight feet (2.4 M) above the heater flue outlet by
wall brackets. To install support brackets for vertical runs:
• Attach wall brackets to the flue pipe and secure the
wall bracket to the framing members with nails or
screws.