Worcester Expansion Vessel 87161165190
An official Worcester Bosch replacement part, this expansion vessel is for use in Greenstar and RD Series appliances. 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.
Model for use with: 25 HE, 28 HE System, 30 HE Combi, 30 HE Plus Combi, 35 HE Plus Combi, CC1 FSN 29KW, CS1-FSN-GB NG 28KW, HE FSN ZB 7 27KW, HE FSN ZWB 7 27KW, R25 HE, R28 HE System, R30 HE, R30 HE Plus Combi, R35 HE Plus Combi, R40 HE Plus Combi, RD428, RD430I, RD532, RD5.
