Vaillant 130438 Pcb T/Compact Vu 142-282 T/Max 242/1E 282/1E

The printed circuit board or ( pcb ) is the control centre of the appliance. It monitors and controls every process that occurs via the sensors, switches and thermostats. It also enforces the safety parameters, 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 effectively the brain of your boiler, It is programmed to ensure everything is running as it should .