The Worcester 30i System Compact Optional Diverter Valve Kit (part number 7733600221) is an accessory designed to enhance the functionality of the Greenstar 30i System Compact boiler. This kit enables the boiler to control the supply of heat to a hot water cylinder, facilitating the integration of heating controls such as Worcester plug-in controls. It's particularly useful for installations where precise control over hot water and heating is desired.​

The kit includes all necessary components for installation, ensuring compatibility and ease of integration with the Greenstar 30i System Compact boiler. For detailed installation and servicing instructions, refer to the official documentation provided by Worcester Bosch.