VAILLANT THERMO COMPACT VU 615 - 637 BOILER REPLACEMENT PUMP HEAD & 160928
28 HE SYSTEM (AFTER SERIAL NO CAB 1112) - 41-075-48. 28 HE SYSTEM (BEFORE SERIAL NO CAB 1112) - 41-075-48 BEFORE. PLATINUM COMBI 40 HE A (ISSUE 4) - 47-075-34. PLATINUM COMBI 40 HE - 47-075-30. PLATINUM COMBI 33 HE A (BEFORE SERIAL NO. ).