Click to expand Tap to zoom Viessmann Energy meter 7495694 by VIESSMANN SKU 7495694 Viessmann Energy meter Allows the householder to monitor power consumption by the heat pump. Single phase Supports Victocal 100-A, Victocal 150-A, Victocal 151-A, Vitocal-200-A, Vitocal-222-A Accessories