Vaillant range. ECOTEC PRO 22 VU 226/5-3 A R4 (FOR GUERNSEY/JERSEY ONLY) CURRENT PRODUCTION – 0010018497. ECOTEC PRO 24 VUW 246/5-3 R4 (current production) – 47-044-54. ECOTEC PRO 28 VUW 286/5-3 R4 (current production) – 47-044-55.
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