Vaillant Ecotec Exclusive 835 VUW 356/5-7 47-044-66. Vaillant Ecotec Exclusive 843 VUW 436/5-7 47-044-67. Vaillant Ecotec Plus 637 VU 376/5-5 A R4 2015 Onwards 41-044-85. Vaillant Ecotec Plus 838 VUW 286/5-5 R6 2017 Onwards 47-044-86 R6 (0010021826).
eBay