Vaillant 0020136629 Display (Pro)

The Vaillant Display Pro Printed Circuit Board 0020136629 is a genuine Vaillant spare part with a Vaillant manufacturer's guarantee. The printed circuit board, in short PCB, is the control centre of the appliance. This component controls and monitors every process that occurs via the sensors, switches and thermostats and also enforces the safety parameters, making sure that the boiler ceases to function if any of the internal readings point to any kind of error or fault. The printed circuit board is effectively the brain of your boiler, It is programmed to ensure everything