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TEE-SUPPORTED INSTALLATIONS
Tee-Supported installations are used when
passing through a wall to an outside chimney.
The Tee Support can hold a maximum of
25 feet (7.6mm) of DuraPlus HTC Chimney.
Additional Tee Supports, Wall Re-Supports,
or Wall Re-Supports can be used to help
support taller chimneys. Each may hold an
additional 25-ft (7.6 m) of chimney pipe. The
Tee Support and Wall Straps are adjustable,
allowing from 2" - 6" (50 mm - 150 mm) of
clearance between the chimney and the wall,
as needed to fit your installation. There are
two options when installing a Tee-Supported
installation: the Tee Support above the Tee, or
the Tee Support below the Tee. The required
parts and general configuration are as shown
in Figures 22, 23, 24 and 25.
1. Place Appliance: Position the appliance
according to the manufacturer's instructions.
It is a good idea to try to position the
appliance so it will allow the chimney to line
up centered between studs.
2. Locate, Cut & Frame Opening:
Determine the location where the
chimney will pass through the wall. The
chimney should pass through the wall,
centered between two studs. The height
of the penetration can be determined by
positioning sections of stove pipe until you
have the desired configuration (refer to
the appliance manufacturer's installation
instructions for restrictions on stove pipe).
Cut and frame a square opening in the inner
and outer walls at this location. Refer to Table
2 for framing dimensions.
3. Install Back Portion of Wall Thimble:
The Wall Thimble is a two piece unit which
includes the black-painted inside portion,
and the unpainted outside portion (Fig 23
& 24). If installing the CAS Wall Thimble,
refer to the DuraPlus HTC CAS Installation
Instructions for specifics on installation of
that system. On the outside wall, install the
back portion of the Wall Thimble. Center
the back portion of the Wall Thimble (with
cylindrical shield inside wall) in the framed
opening of the outside wall. Attach the
TALL CONE
FLASHING
Figure 22
VENTILATED
CHASE
ENCLOSURE
TEE SUPPORT
BRACKET
(SHOWN
INSTALLED
ABOVE THE TEE)
ACCESS DOOR
FOR CLEANING
19
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