Vaillant EcoTEC VUW Exclusive 832/838 386/4 Leiterplatte 0020040104 (0020049194) Original
0020040104 Variant . Part No. 0020049194. Vaillant ecoTEC VUW (condensing) exclusive 832/838 386/4. PCB Reference: 0020040104 (This number has to be on your existing PCB). Vaillant ecoTEC VUW (condensing) exclusive 838 386/4 (GC No. 47-044-38).