Liquid receivers are used to meet fluctuations in the system and ambient temperatures. It serves as a cushion/buffer between liquid and hot gas at high pressure side of the system, prevents the evaporator from hot gas entering and besides, it provides resting of liquid within the system. Also it is used for collecting and storing refrigerant from the system when maintenance needed. There is a 1/2’’NPT connection for safety valve. Additional connections and accessories may be provided.