The Vaillant PCB board is a key component in the Vaillant boiler. The PCB ensures all electrical components communicate with each other and passes instructions to other parts to keep the boiler running smoothly.
With over 10,000 heating spare parts in stock, we’re your one-stop shop for new and refurbished boiler parts, heating components, and replacement spares. We offer fast 24-hour delivery across the UK to keep your systems running smoothly.