Installation Instructions
5698 072 - 02 08/2017
Heat Exchanger Assembly
for use by heating contractor
for Vitodens 200-W WB2B / B2HA
Part Number: 7831454 WB2B 80, 105
Part Number: 7843753 B2HA 80, 88, 100, 285, 311, 352
Refer to the Installation and Service
Instructions applicable to this boiler.
Ensure that main power to the equipment being serviced
is off.
Ensure that the main fuel supply valve to the boiler is
closed.
Take precautions to avoid accidental activation of power
or fuel during service work.
Do not perform service work on any component part
without ensuring safe operation of the heating system.
When replacing parts, use original Viessmann or
Viessmann approved replacement parts.
Safety and Installation Requirements
Please ensure that these instructions are read and
understood before starting any service work. Failure to
comply with these instructions may cause product/property
damage, severe personal injury and/or loss of life.
Working on the equipment
The installation, adjustment, service and maintenance of
this product must be performed by a licensed professional
heating contractor who is qualified and experienced in
the installation, service, and maintenance of hot water
boilers. There are no user serviceable parts on the boiler,
burner or control.
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