The Worcester Bosch expansion vessel is for use in i Series 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.

An official Worcester Bosch replacement part, this expansion vessel is for use in i 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.  To help you find the right parts for your jobs, go to the industry leading parts identification tool, PartsArena, giving you quick access to over 20,000 exploded diagrams, 10,000 images & 20,000 products. FREE to Wolseley trade account customers.

Worcester Bosch
Mini Expansion Vessel - HA50
87161425030

Trusted by Tradespeople

Worcester Bosch Mini Expansion Vessel - HA50 87161425030

Trusted by Tradespeople

Worcester Bosch
Mini Expansion Vessel - HA50
87161425030