4Lt C4004823 De Dietrich 711328300

This expansion vessel with a 4-liter capacity, model C4004823, is a key component for managing pressure fluctuations in heating systems. It helps maintain stable system pressure, protecting boiler and burner components from damage. Suitable for use in residential or light commercial heating installations, this vessel ensures long-term reliability and safety. When servicing your heating equipment, replacing an aging expansion vessel can prevent system malfunctions.