We study different aspects of a U-duality recently presented by Maldacena and
Martelli and apply it to non-extremal backgrounds. In particular, starting from
new non-extremal wrapped D5 branes we generate new non-extremal generalizations
of the Baryonic Branch of the Klebanov-Strassler solution. We also elaborate on
different conceptual aspects of these U-dualities, like its action on (extremal
and non-extremal) Dp branes, dual models for Yang-Mills-like theories, generic
asymptotics and decoupling limit of the generated solutions.Comment: 20 pages plus various appendices. Ten figures. Version to appear in
JHE