Recent content by Richard2k21

Hi. I'm looking for a PCB for my Vaillant Ecotec Plus 424, GC 41 044 74. I don't want to get it wrong! Vaillant Part No: 0020237689 is listed as correct but suppliers are saying, NOW USE 0020273087. But this new one does not seem to list my boiler on supplier websites. Can anyone advise me...