Domestic hot water expansion vessel 8l 3/4 De Dietrich 7822658

The domestic hot water expansion vessel 8l 3/4 is a compact pressure maintenance device for sealed heating systems, with an 8-liter capacity and 3/4-inch connection. It absorbs excess water volume during heating, preventing pressure spikes and protecting system components. Suitable for smaller boiler installations or as a replacement part, this vessel ensures stable operation and extends system life. A reliable choice for heating engineers and homeowners seeking efficient boiler maintenance parts.