The invention relates to transport mechanical engineering, namely to the systems of ventilation and air conditioning of the passenger railcar. Increased reliability of design and ease of device control is achieved by selecting constructions working chambers and valves, namely by the fact that the manifold distributor consisting of a casing made without welds, with the input placed on it, two heating, two recirculation and vent pipes It comprises a prism apertured flap having two fixed positions and the rotation axis passing through the edge of the prism, wherein the prism separates the housing for the heating and ventilation yu chamber so that the heating chamber is connected to a heating pipe, connected to the vent chamber and vent recirculation pipes. 1 Fig.
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