Worcester Bosch 28SI PCB 87483004170

This Worcester Bosch brand printed circuit board is compatible with Si/C1 Series and RD Series boilers. The control centre of a boiler, the printed circuit board (PCB) monitors and controls every process occurring throughout a system via switches, thermostats and sensors. It enforces safety measures too, shutting down boiler functions if internal readings indicate any fault such as high pressure or low water levels