Potterton 21/18601 PCB
£174.03 ex. VAT
The printed circuit board or ( pcb ) is the control centre of the appliance. It constantly checks every process that occurs via the switches, thermostats and sensors. It also enforces the safety measures, 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.