The invention relates to a plate heat exchanger for treatment of a medium, comprising a number of compression-molded heat exchanger plates, which are successively provided in a plate package and which form first plate interspaces and second plate interspaces, wherein the first plate interspaces and the second plate interspaces are provided in an alternating order in the plate package, where the inlet and outlets of the heat exchanger plate located in a center portion of the plate heat exchanger, and where the plate package is arranged between end plates on each side of the plate package, where at least one of the end plates are provided with connections in a center portion of the at least one end plate and that the location of the connections on the at least one end plate correspond to the location of the inlet and outlets of the heat exchanger plate.