Condensing unit EI200SGM/H-B Room Temp: - 25c~-5c Compressor- copeland R404a ... component includs:Compressor ( different brand, Tecumesh, Copeland, Danfoss etc)Condensor, Fan motor, filter drier, Receiver, Solenoid Valve, Sight glass, Pressure control ... heater, oil sperator for low temperature only.Optional unit:Phrase protector Relay, Electric Fan speed control, Timer Relay, Main Switch, Contactor, ...