Viessmann Vitodens 050 Main PCB VBC115-A10.006 7869023 Vitodens 050-W, type BPJD Serial No. (Type Plate) 7202938 7202939 7202940 7202941 7202942 7202943 7745660 7745662 Vitodens 050-W, type BPJC Serial No. (Type Plate) 7537734 7537735 7537906 7537947 7538910 7538911 7542854 7542855 7723165