A method for increasing storage space in a system containing a block data storage device, a memory, and a processor is provided. The harmful deactivation of this catalyst, which is caused by the accumulation of the oligomers and polymers of isobutene and other C4-olefins in the cation exchange resin catalyst, is essentially decreased by selecting the cation exchange resin from a group including cation exchange resins, the acid,capacity of which is 4. The heat trap insert also includes a plurality of fingers to retain the sealing member when water is flowing through the heat trap assembly.