VAILLANT ECOTEC PLUS 612 615 618 624 630 637 HIGH EFFICENCY PUMP 8000011227 New
Genuine Vaillant Part Not a cheap Chinese make. ECOTEC PLUS 637 R1 41-044-49. ECOTEC PLUS 837 R1 47-044-33. ECOTEC PLUS 831 R1 47-044-32. ECOTEC PLUS 824 246/3-5 R1 47-044-31. ECOTEC PLUS 824VUW 246/3-5 R3 47-044-31.