The Worcester Bosch expansion vessel is for Greenstar and Greenstar Oil boilers. The chamber is designed to protect water heating systems from excess pressure. The expansion vessel is filled with air, which acts as a cushion against system pressure surges.

A replacement Worcester Bosch expansion vessel for Greenstar and Greenstar Oil boilers.  A chamber designed to protect water heating systems from excess pressure, the expansion vessel is filled with air which acts as a cushion against system pressure surges.  As the leading supplier of parts for all the major boiler manufacturers we’ve got a wealth of experience and knowledge in this area, and with over 450 branches we carry more heating spare parts in more places than any other merchant to help you improve your first time fix rate.

Worcester Bosch
Now Use 8716122434 Expansion Vessel 7L
87154072960

Trusted by Tradespeople

Worcester Bosch Now Use 8716122434 Expansion Vessel 7L 87154072960

Trusted by Tradespeople

Worcester Bosch
Now Use 8716122434 Expansion Vessel 7L
87154072960