Vaillant Ecomax Boiler PCB 130826 - Type-2,HE.113 Heat Exchanger Compatible with Vaillant Turbomax VUW 06-4950 064950 Compatible,Vaillant VR66 0020135785 Two Zone Wiring Control Centre (Used),Vaillant VR66 0020135785 Two Zone Wiring Control Centre (Used),Vaillant Ecomax Printed Circuit Board 130826