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.
Fits the Worcester 24I FSN NG Combi and 28I FSN NG Combi
Colour is blue
Technical specification
Waist Sizeaa55cj14guSupplier Part Number87161425030Brand NameWorcester Bosch
Reviews
Worcester Bosch HA50 Mini Expansion Vessel 87161425030.