WORCESTER PRINTED CIRCUIT (Old code 87483008690)

The Worcester Bosch 8748300922 printed circuit board is a genuine replacement PCB for Greenstar boilers. Acting as the central control unit, it manages and monitors all boiler functions through integrated sensors, thermostats and switches. Designed to ensure safe and efficient operation, it can shut down the system in the event of faults such as low water pressure or overheating, making it essential for reliable boiler performance and repairs.