Removed from ecotec pro 28. suitable for many models after 2013 vaillant models. Ecotec Plus 612 VU 126/3-5 2005-2005. Ecotec Plus 612 VU 126/3-5 R1 2005-2012. Ecotec Plus 612 VU 126/5-5 2012-2012. Ecotec Plus 612 VU 126/5-5 R1 2012-2013.
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