In the Wilo-Brain Box, filling and bleeding of heating systems can be tested and
demonstrated visibly and comprehensibly, how a membrane expansion tank works, for
example, what it means for a pump when thermostat valves are not preset; what faults
can be caused by air in the heating system, etc., and the measures that must be
taken to ensure that heating systems are configured professionally and effectively.
According to the division of the system checklist in
Pumps and controllers