liquid storage, in particular drinking water storage, with a double-walled container with at least one inner wall (2) and one outer wall (1) and a lid (3),also with at least one line (4) and one line (5, 6),and with an internal temperature unit (7),characterized by the fact that the inner wall (2) beamed from the outer wall (1) and with a lower axial length (L1 versus L2) in comparison, defines the temperature unit (7) in the container.
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