Abstract: An improved accumulator for use in a refrigeration circuit for vehicle air conditioning systems having a refrigerant reservoir with an enclosed interior with a lower region for the accumulation of liquid refrigerant and an upper region for the accumulation of vaporous refrigerant, an input connector coupled to the refrigerant reservoir for delivering liquid and vaporous refrigerant to the enclosed interior thereof, an output connector coupled to the refrigerant reservoir for extracting vaporous refrigerant therefrom, wherein at least one of the connectors if rotatably mounted allowing the accumulator to be coupled to a refrigerant circuit at a plurality of variable angular positions whereby a variety of refrigeration circuit configurations may be accommodated.