Part Number: 0020228304. Vaillant Ecotec Pro 24 Fan. 1 x Vaillant Refurbished Fan Unit. Ecotec Pro 24 VUW 246/5-3 (2012) – GC No. 47-044-44. Ecotec Pro 24 VUW 246/5-3 R1 (2012–2013) – GC No. 47-044-44 R1.
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