VAILLANT ECOTEC PLUS 824, 831 & 837 SET OF 3 CONTROL KNOBS 0020074963 WAS 117319
Part No: - 0020074963 117319. VAILLANT ecoTEC PLUS 612. VAILLANT ecoTEC PLUS 615. VAILLANT ecoTEC PLUS 618. VAILLANT ecoTEC PLUS 624. VAILLANT ecoTEC PLUS 630. Genuine Vaillant Part Not a cheap Chinese make.