Product Information: The printed circuit board or ( pcb ) is the boilers central control. 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.

This part is listed against 2 boilers on our website, The Potterton PERFORMA 24 ECO HE , COMBI 24 HE .