Supply stable and high temperature thermal energy for users Supply wide temperature range of thermal source, optimum control for the process temperature Keep the whole thermal oil heating system in safe and stable operation Compensate and fill the thermal oil for the whole thermal oil heating during operation while necessary Store the thermal oil while process system in inspection and maintenance or emergency repair The heat load is controlled automatically through PLC in accordance with the process variation Optimum design for fuel supply system to ensures the burner in safe and complete burning of the fuel Circulation pump can be switched over without temperature drop, if any Automatic operation without anyone to watch on Outlet temperature precise control -operative temperature can be controlled in ±1 Package supplied for easy installation to save the installation cost Optimum design and structure of multi-tube coils in combustion chamber to guarantee even heating of the thermal oil without local over-heating Fully closed circuit of thermal oil heating system without thermal oil expose to atmosphere for long life of thermal oil operation over-heating The maximum thermal efficiency could up to 90%