Ecomax 835E VUW 356-C 2002–2008 – GC No. 47-044-27. Ecotec Exclusive 832 VUW 32/4 2007–2016 – GC No. 47-044-37. Ecotec Exclusive 838 VUW 386/4 2007–2016 – GC No. 47-044-38. Vaillant Ecomax Series. Vaillant Ecotec Exclusive Series.
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