Ariston Expansion Vessel 8 Litre
- 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.
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