The expansion vessel is a small tank that is used to protect closed water systems from a large increase of pressure. The pressure vessel is filled with air that acts as a cushion against surges in pressure within the system.
Voluem: 14 ltr
Technical specification
Waist Sizeaa94cc24gtToilet Cistern CapacityFTW--Capacity14 LSupplier Part NumberACC014PVL