VAILLANT ECOTEC PLUS 824 831 837 & PRO 24 28 DISPLAY BOARD 0020136629
Ecotec Pro 22 VU 226/5-3 A R4 (For Guernsey/Jersey Only) Current Production. Ecotec Pro 22 VU 226/5-3 R4 (For Guernsey/Jersey Only). Ecotec Pro 24 VUW 246/5-3 2012-2012. Ecotec Pro 24 VUW 246/5-3 R1 2012-2013.