Vaillant EcoTEC Plus/Pro ErP A Rated Grundfos UPM3 Pump Head 0020221616 NEW
Part No.0020221616. Vaillant ecoTEC plus 612 VU 126/5-5 A R4 (GC No. 41-044-78). Vaillant ecoTEC plus 615 VU 156/5-5 A R4 (GC No. 41-044-79). Vaillant ecoTEC plus 618 VU 186/5-5 A R4 (GC No. 41-044-80).