Ariston Expansion Vessel Assembly 998616

City Plumbing

The Ariston expansion vessel assembly is a small tank that is used to protect closed water heating systems from excessive pressure. The air in the tank serves as a cushion against pressure spikes within the system.

Direct Heating Spares

ARISTON 998616 EXPANSION VESSEL. Genuine brand new Ariston product, covered by a Ariston manufacturer's guarantee.