The present invention relates to a temperature-control module (10) for a tempering machine (100) for controlling the temperature of a food composition having - at least one screw (14), and - at least one Temperierrohr (12) into which the at least one screw (14) is insertable, the at least one Temperierrohr (12) and the at least one screw (14) define between them a food mass conveying channel (16), wherein the at least one Temperierrohr (12) comprises at least an inner tube (18) and at least one outer tube (20), wherein the at least one inner tube (18) and the at least one outer tube (20) between at least a tempering chamber (22) to set.According to the invention it is provided that the at least one inner tube (18) and the at least the outer tube (20) are permanently fixed to each other.
