Water Pressure sensor for Vaillant suitable for most of the models. 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 A R4 2015 Onwards. Ecotec Plus 612 VU 126/5-5 R 6 2017 Onwards.
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