Printed circuit board for the TrojanUVSwift SCB 04 ultraviolet disinfection system. This is the electronic control board that drives the reactor's lamp and monitoring circuitry; it is supplied as a single board and is specific to the SCB 04 reactor size, so the system model should be confirmed from the reactor nameplate before ordering. Manufacturer reference OES2344, with the additional marking 24JL03 as supplied. Reference number OES2344 24JL03.