Product Information: The expansion vessel is a tank that is utilised to protect heating systems from excessive pressure. The tank is filled with air that acts as a cushion against pressure surges within the system.
We only have this part as fitting one appliance, The Heatrae ELECTROMAX . If this isn’t the model you have, please contact us before ordering so we can confirm this part is compatible.
We recommend that all parts are fitted by a fully qualified gas safe certified plumber