Product Information: 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.
This part is present in 16 different boilers in the Glowworm range including the Glowworm SI 18 , SI 30 , HXI 12 , HXI 15 , SXI 18 .