The Potterton expansion vessel is designed for use with the Powermax boilers. The expansion vessel is a chamber designed to protect water heating systems from excessive pressure. It is filled with air, which acts as a cushion against system pressure surges.
Capacity is 12 litres
Technical specification
Waist Sizeaa44cb11gsCapacity12 LSupplier Part Number5106287Range DescriptionPowermaxBrand NamePotterton