A chamber designed to guard water heating systems from excess pressure, the expansion vessel is filled with air which acts as a cushion against system pressure surges.
12 Litre capacity
Technical specification
Waist Sizeaa94cd14guCapacity12 LSupplier Part NumberBG-12KITGBrand NameBritish General
Reviews
British General Expansion Vessel and System 12 Litre BG-12KITG.