Ariston Expansion Vessel  8 Litre
65104261

• Expansion vessels, also known as expansion tanks contain water and air from the central heating system.
   
• Only to be used on Combi boilers
   
• The purpose of this part is to maintain the right level of pressure in the system and to also provide on-demand hot water for the household
   
• The expansion vessel is essential as it prevents pressure build-ups and water/gas leaks.