A Printed Circuit Board (PCB) is a boilers central electronic control. The PCB controls every function via the thermostats, switches and sensors. Ensuring the boiler runs safely, preventing the boiler from working if any internal faults are detected. The PCB is essentially the brain of a Boiler! This particluar Printed Circuit Board, replaces Vaillant Parts:- 0020254533, 0020219272, 0020135165 & 0020108264
- Supplier Part Number 0010028086
- Suitable for Vaillant Ecotec Plus & Pro VUW Boilers













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