Product Information: The printed circuit board or ( pcb ) is the control centre of the appliance. It monitors and controls every process that occurs via the switches, sensors and thermostats. It also enforces the safety protocols, making sure that the boiler ceases to function if any of the internal readings point to an error 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.

We only have this part as fitting one appliance, The Potterton SUPRIMA 120 L .