placa caldera viessmann 7838384 Source thereby protecting the motor and

thereby protecting the motor and ensuring more efficient operation of the hood

Ideal for replacing defective pumps or as a preventive maintenance part

The recirculation pump does not activate due to pressure detection failure

Los pilotos de la base permanecen apagados

HBB73C550F/02 BOSCH

placa caldera viessmann 7838384 Source thereby protecting the motor andThe Viessmann 7838384 electronic board is the main control module for boilers in the Vitodens 200 and Vitodens 300 series. It manages all the electronic functions of the boiler, such as ignition, temperature regulation, safety, and communication with other components. This replacement part is essential for the proper operation and efficiency of the heating system. What problem does this replacement solve? The boiler does not start or does not respond