Used pcb, replaced by vaillant in December 2025 so only had 6 months use. Boiler was still working fine before removal.
Vaillant ecoTEC PCB
Vaillant ecoTEC PLUS & ecoTEC PRO Boiler PCB 0020132764 used
Vaillant ecoTEC plus 612 615 618 624 630 637 PCB 0020092506
Vaillant EcoTec Plus 426 PCB
Vaillant Ecotec pro 28 Combi PCB Front Panel