Vaillant 178973 Ecotec Plus 824 831 837 VUW Boiler Plate Heat Exchanger (20P)

Part Number: 178973. Ecotec Plus 824 VUW 246/3-5. Ecotec Plus 824 VUW 246/3-5 2005–2012 –GC No. 47-044-31. Ecotec Plus 824 VUW 246/3-5 R1 2005–2011 –GC No. 47-044-31 R1. Ecotec Plus 824 VUW 246/3-5 R3 2011–2012 –GC No. 47-044-31 R2.

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