The printed circuit board or ( pcb ) is the control centre of the appliance. It oversees every process that occurs via the sensors, switches and thermostats. It also enforces the safety protocols, making sure that the boiler ceases to function if any of the internal readings point to any fault in the boilers processes. The printed circuit board is essentially the brains of the appliance, ensuring everything is running correctly and safely.
Fits a large number of Vaillant Boilers
Technical specification
Waist Sizead94cc94fxTypePrinted Circuit BoardToilet Cistern CapacityFTW--Supplier Part Number20254533Brand NameVaillant