Industrial Grade Heat Exchanger has burner assembly that is designed for easy adjustment, cleaning and maintenance of diffuser plate, nozzle, electrode etc. The Exchanger has the feature that for long term cleaning of coil, it is quite convenient to take out the coil as it is horizontally designed. The Exchanger is a three pass coil to coil forced draft thermic fluid heater. The Industrial Grade Heat Exchanger is capable of providing efficient performance.