Internal Extension H2

£92.40
£50.82 inc VAT
Back Order
7498514

PCB for installation in the control unit.
Using the extension allows the following functions to be achieved:

  • External extractor interlock, or alternatively, one of the following functions:
  • Connection of a DHW circulation pump (only with Vitotronic 200)
  • Connection of a heating circuit pump (stepped) for a directly connected heating circuit
  • Connection of a central fault message facility
  • Connection of a circulation pump for cylinder heating

Note: Not compatible with Vitodens 200-W EM Plusbus

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