Vaillant EcoTec PRO 24 28 (2012 Model) Circuit Board PCB 0010028086. GenuineVaillant brass 3-way diverter valve, part number0020132683. Vaillant Boiler Spares ECOTEC EXCL 627 VU 256 SYS NG. Vaillant Boiler Spares ECOTEC EXCLUS 835 VUW 3 CBI NG.
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