Product Information: This Part is located around the expansion vessel section. The expansion vessel is a small chamber that is used to protect closed water systems from pressure surges. The expansion tank is filled with air that acts as a cushion against pressure surges within the system.
This part is present in 3 different boilers in the Baxi range including the Baxi PERFORMA 24 I HE , COMBI INSTANT HE , COMBI INSTANT HE .