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5608 741 - 04
Vitodens Rigid and Flex Venting Systems Installation
Vertical Vent Installation (Coaxial)
Installation of Support System
The venting system must be securely supported by a
support system suitable for the weight and design of the
materials employed.
Contact your vent material supplier for more information
specific to your installation.
Supports
Supports are used to transfer the weight of an installation
to the building structure. There are different types of
supports and their capacity varies with each type and
diameter.
The following support types are available at your local
vent material supplier...
anchor plate
wall support
roof support
floor support
suspension band (hanger).
In addition to the support types listed above Viessmann
offers mounting clips which can be used in conjunction
with the above support types to support the weight of
the venting system. Please contact Viessmann to order.
Vertical vent systems with horizontal sections must have
the joints in these sections secured with the supplied sheet
metal screws
A
to prevent the system from sagging.
The 4 in. (101.6 mm) screws
D
supplied with the
mounting clip provide wall or ceiling support for a ...
minimum distance of 2 in. (50.8 mm)
maximum distance of 3¼ in. (82.5 mm).
If a longer support system is required use a brass adaptor
M8 x
5
/
16
in. (field supplied) with
5
/
16
in. all threaded
rods
B
(field supplied).
Bracing
Contact your local vent material supplier for more
information specific to your installation.
Braces are required to stabilize an installation. There are
different types and their use and spacing vary.
The following types of braces are available at your local
vent material supplier...
wall band
wall band extension
guy wire band
roof brace.
Ensure that the venting system is properly supported; the
Vitodens boiler is not designed to support the weight of
the venting system.
IMPORTANT
The venting system must be securely supported by an
anchoring system
A
suitable for the weight and design
of the materials employed.
If a longer anchoring system is required use all-threaded
rods
B
(field supplied).