A boxed, brand new/sealed Viessmann control pcb part No. 7828495 to fit a Viessmann Vitodens 100 compact heat only boiler type WB1A model no. 7179919. I held this part as a spare for my boiler but a recent boiler change means that this part is not compatible and no longer required as a spare for me. Uk sale only. Any questions please ask.
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