Glowworm 0020027897 Interface Card
£182.38 ex. VAT
The printed circuit board or ( pcb ) is the control centre of the appliance. It oversees 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 any fault in the boilers operation. The printed circuit board is effectively the brain of your boiler, It is programmed to ensure everything is running as it should.