Worcester Accessory Pack CDI Compact, Si & i
The Worcester Greenstar Accessory Pack is a great value system bundle designed to enhance the performance, efficiency and longevity of Greenstar boilers. It brings together several key components that not only help protect the heating system but also support compliance with Boiler Plus regulations — making it a smart addition for both new installations and upgrades.
Compatible with the Worcester Greenstar CDI, Compact, Si and i boiler ranges, this pack provides everything needed to improve water quality, simplify filling, and introduce modern wireless heating controls. Each item is engineered to work seamlessly with Worcester Bosch boilers, ensuring reliable performance and long-term system protection.
The pack includes a 22mm Mini System Filter to capture debris and sludge, helping prevent breakdowns and extending boiler life. It also comes with the Greenstar Comfort II RF wireless programmer for easy, convenient heating scheduling. Alongside this, the keyless filling link allows quick top-ups without tools, while the inhibitor and system cleaner help maintain water quality for optimal boiler efficiency.
What’s Included
Greenstar 22mm Mini System Filter
Greenstar Comfort II RF Wireless Programmer
Worcester Keyless Filling Link
Worcester Bosch Inhibitor – 400ml
Worcester Bosch Cleaner – 400ml
FAQs
Is this accessory pack compatible with all Worcester boilers?
No — it is designed specifically for Worcester Greenstar CDI, Compact, Si and i models. Check your boiler’s model number to confirm suitability before purchasing.
Does the pack help with Boiler Plus compliance?
Yes — the inclusion of the Comfort II RF wireless programmer ensures the system meets Boiler Plus requirements for time and temperature control.
Do I need a heating engineer to install the items in this pack?
Yes — while some components are simple, the filter, programmer and filling link should be fitted by a qualified heating engineer to ensure correct installation and system safety.
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