I have remodeled our master bath. The tub fill was in fine working condition. I want to change the layout of the knobs and spout. It is constructed with 1/2 copper sweated into the brass fittings. My question is this - can I "De-sweat" the fittings so I can move things around? If so - once I disassemble everthing, how do I propery "clean, sand, and flux" the brass joints.

Am I better off cutting tubes and splicing onto the copper joints, leaving the copper/brass intact? (yea, would result in more joints than ideal)

Thank you!