Worcester Bosch expansion vessel

Product Description

A replacement Worcester Bosch expansion vessel for Compact, Greenstar and Greenstar ErP 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.