Vaillant Pump 0020005802 designed for various Vaillant boilers. Ecotec Plus 612. Ecotec Plus 612 VU 126/3-5 2005 – GC No. 41-044-44. Ecotec Plus 612 VU 126/3-5 R1 2005-2012 – GC No. 41-044-44 R1. Ecotec Plus 612 VU 126/5-5 2012 – GC No. 41-044-60.
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