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5608 741 - 04
Vitodens Rigid and Flex Venting Systems Installation
Single Pipe Venting (Room Air Dependent)
Installation of Support System - PP(s)
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.
For PP(s) systems, all exhaust vent and air intake piping
and elbows exposed outside, must be UV resistant
polypropylene (supplied by the vent manufacturer).
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.
IMPORTANT
IMPORTANT
Ensure that the venting system is properly supported; the
Vitodens boiler is not designed to support the weight of
the venting system.
Grade or Max.
snow level
Support bracket
Attach termination
elbow w/screen
Side wall
Caulk
min. 12 in.
(305 mm)
max. 36 in.
(914 mm)
Vent
riser
min. 6 in.
(152 mm)
Flue