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Hi Tony How do i adjust D0? Thanks

HI Sorry my boiler is actually a vaillant ecotec plus 418. How do i check for D40 + D41? I akready ran a P0 to ensure everything is bled properly. I also used a hosepipe to do an extra push from the header tank today and opened up the ext exit pipes. Still no luck.

Hi All I just moved into my new property And found a problem with the Ecotec boiler. HW works fine. But he central heating keeps going into cycles of the below: 1) burner starts and stays on few minutes 2) radiators that are close start getting warm. Ones further away has no change. 3)...