Vaillant Eco Tec Plus 181051 VASO ESPANSIONE non testato 832 835 837 838 838 937
These Three EXPANSION VESSEL were removed from Vaillant Eco Tec Plus 831 (2012). These were removed from the working boiler. Ecotec Exclusive 838 VUW 386/4 2007-2016. Ecotec Plus 838 VUW 286/5-5 R6 2017 Onwards.