A heat exchanger plate module comprising a pressed heat exchanger plate and a flat plate , the pressed heat exchanger plate and the flat plate having two opposite side surfaces, an extension in a longitudinal (I) direction, transversal (t) direction perpendicular to the longitudinal direction and thickness direction (d) of the plate, wherein the plates have substantially the same outer shape in the longitudinal and transversal direction, the plates in the module comprising: • a first longitudinal end portion comprising at least one fluid port , • a second longitudinal end portion comprising at least one fluid port , • an intermediate heat exchange portion arranged in between the first and second longitudinal end portions, wherein the pressed heat exchanger plate further comprises a pressed corrugated pattern (P) with alternating tops and bottoms in the thickness direction (d) of the pressed plate , the pressed pattern (P) comprising: • in the first and/or second longitudinal end portions (101; 102), a first fluid channel pattern (FCP1) leading fluid flow into the at least one fluid port (110; 130) and/or a second fluid channel pattern (FCP2) bypassing the at least one fluid port (120; 140), characterised in that it further comprises: • in the intermediate heat exchange portion , a third fluid channel pattern (FCP3) in fluid communication with the first fluid channel pattern (FCP1) and/or a second fluid channel pattern (FCP2), and comprising a plurality of longitudinally extending wave-shaped pressed lines configured to form discrete fluid channels in the longitudinal direction (I) of the heat exchanger plate module , when the pressed heat exchanger plate is attached to the flat plate . • a first longitudinal end portion comprising at least one fluid port , • a second longitudinal end portion comprising at least one fluid port , • an intermediate heat exchange portion arranged in between the first and second longitudinal end portions, wherein • in the first and/or second longitudinal end portions (101; 102), a first fluid channel pattern (FCP1) leading fluid flow into the at least one fluid port (110; 130) and/or a second fluid channel pattern (FCP2) bypassing the at least one fluid port (120; 140), characterised in that it further comprises: • in the intermediate heat exchange portion , a third fluid channel pattern (FCP3) in fluid communication with the first fluid channel pattern (FCP1) and/or a second fluid channel pattern (FCP2), and comprising a plurality of longitudinally extending wave-shaped pressed lines configured to form discrete fluid channels in the longitudinal direction (I) of the heat exchanger plate module , when the pressed heat exchanger plate is attached to the flat plate . • in the intermediate heat exchange portion , a third fluid channel pattern (FCP3) in fluid communication with the first fluid channel pattern (FCP1) and/or a second fluid channel pattern (FCP2), and comprising a plurality of longitudinally extending wave-shaped pressed lines configured to form discrete fluid channels in the longitudinal direction (I) of the heat exchanger plate module , when the pressed heat exchanger plate is attached to the flat plate . <EOS>