Vaillant 0020116882 timeSWITCH 150 Analogue Timer / Mechanical Time Clock
Part No: - 0020116882. Genuine Vaillant Part Not a cheap Chinese make. Vaillant ecoTEC VUW (condensing system) ecoTEC pro 24 (GC No. 47-044-36). Vaillant ecoTEC VUW (condensing system) ecoTEC pro 28 (GC No. 47-044-30).