This part is present in 8 different boilers in the Vaillant range including the Vaillant VUW 246/5-3, ecoTEC PRO (2012-CURR), VUW 286/5-3, ecoTEC PRO (2012-CURR), VUW 246/5-3 R1. Vaillant ecoTEC PRO 24.
eBay