Aspares Eco Tec Plus 824 831 837 937 Pro 24 28 Vaillant Diverter Valve for Boiler COMPATIBILITY : ECOTEC PLUS 824 VUW 246/5-5 R2 2013-2015 - 47-044-40 R2 ECOTEC PLUS 824 VUW 246/5-5 R4 2015-2015 - 47-044-40 R4 ECOTEC PLUS 825 VUW 256/5-5 R4 2015 ONWARDS - 47-044-57 ECOTEC PLUS 831 VUW 316/5-5 R2 2013-2015 LPG - 47-044-46 R2 ECOTEC PLUS 831 VUW 316/5-5 R2 2013-2015 NG - 47-044-41 R2 ECOTEC PLUS 831 VUW 316/5-5 R4 2015-2015 LPG - 47-044-46 R4 COMPATIBILITY : ECOTEC PLUS 831 VUW 316/5-5 R4 2015-2015 NG - 47-044-41 R4 ECOTEC PLUS 832 VUW 326/5-5 R4 2015 ONWARDS - 47-044-58 ECOTEC PLUS 835 VUW 356/5-5 R4 2015 ONWARDS - 47-044-53 ECOTEC PLUS 837 VUW 376/5-5 R2 2013-2014 - 47-044-42 R2 ECOTEC PLUS 837 VUW 376/5-5 R4 2014-2015 - 47-044-42 R4 COMPATIBILITY : ECOTEC PLUS 838 VUW 386/5-5 R4 2015 ONWARDS - 47-044-60 ECOTEC PLUS 937 VUI 376/5-5 R2 2013-2014 - 47-044-43 R2 ECOTEC PLUS 937 VUI 376/5-5 R4 2014-2015 - 47-044-43 R4 ECOTEC PLUS 938 VUI 386/5-5 R4 2015 ONWARDS - 47-044-61 R4 ECOTEC PRO 24 VUW 246/3-3 R2 2008-2012 - 47-044-36 R2 COMPATIBILITY : ECOTEC PRO 24 VUW 246/5-3 2012-2012 - 47-044-44 ECOTEC PRO 24 VUW 246/5-3 R1 2012-2013 - 47-044-44 R1 ECOTEC PRO 24 VUW 246/5-3 R2 2013-2015 - 47-044-44 R2 ECOTEC PRO 24 VUW 246/5-3 R4 (current production) - 47-044-54 COMPATIBILITY : ECOTEC PRO 24 VUW 246/5-3 R4 2015-2015 - 47-044-44 R4 ECOTEC PRO 28 VUW 286/3-3 R2 2008-2012 - 47-044-30 R2 ECOTEC PRO 28 VUW 286/5-3 2012-2012 LPG - 47-044-47 ECOTEC PRO 28 VUW 286/5-3 2012-2012 NG - 47-044-45 ECOTEC PRO 28 VUW 286/5-3 R1 2012-2013 LPG - 47-044-47 R1 ECOTEC PRO 28 VUW 286/5-3 R1 2012-2013 NG