Patent ID: 8128823

Claim:
A treatment assembly, the treatment assembly defining a treatment chamber, the treatment assembly including a treatment sub assembly positioned in an assembled condition in the treatment chamber, the treatment sub assembly including a plurality of treatment members, the assembly being arranged so that in use a fluid for treatment flows through the treatment members, the treatment assembly including a body and a chamber wall, the body and the chamber wall together defining the treatment chamber, the body defining inlet and outlet passages for communicating fluid to and from the treatment chamber, the treatment sub assembly including second mounting means for releasably mounting the treatment sub assembly to the body, the treatment sub assembly including a manifold which defines a manifold chamber and is so arranged that the fluid flows through the treatment members and the manifold chamber, the treatment sub assembly including first mounting means for releasably mounting each treatment member to the manifold, and which permit direct communication of the fluid between each of the treatment members and the manifold chamber, the second mounting means including a support member extending from the manifold along an axis of the treatment sub assembly, the second mounting means including a resilient buffer member located at an end of the support member away from the manifold, and the treatment sub assembly including first sealing means for sealing between the treatment sub assembly and the body, the first sealing means includes a first resilient sealing member, wherein the treatment sub assembly is arranged so that the first resilient sealing member is compressed along the direction of engagement of the treatment sub assembly with the body in the assembled condition, and the resilient buffer member is compressed axially in the assembled condition.