The Worcester Bosch expansion vessel is for use in Greenstar Oil and Highflow appliances. 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.
Comes complete with washers
Technical specification
Manufacturer Model No87161425070Brand NameWorcester Bosch
Reviews
Worcester Bosch Expansion Vessel Comes with Washers 87161425070