Pipe arrangement for transporting temperature control media

A pipe arrangement for transporting temperature control media, comprising a unitary base body which is produced by way of blow molding and from which at least a first channel and a second channel are formed, wherein the first channel and second channel are formed as enclosed tubular members defined by boundary walls, wherein the first channel and the second channel have a first orientation relative to one another in a first section and a second orientation relative to one another in a second section, wherein the first orientation is different from the second orientation, and wherein the first and second channels are formed in one piece and of a single material from the base body, wherein the first and second channels are connected along their length by a material bond formed by the boundary walls being in contact or a web formed between the first and second channels, the web extending along the length of the first and second channels.