Internal Extension H1

£92.40 inc VAT
3 In Stock

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

  • Connection of an external safety solenoid valve (LPG) 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
  • Please note this supersedes part no 7179057.

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