This device is a system, which provides the fuel oil to the combustion device at a predetermined pressure and temperature for efficient combustion. It consists of motor of reputed make like ABB and gear pump, heater with thermostatic control, temperature & pressure gauges another pressure regulating valve. Types :-* Heating and Pumping Unit Simplex* Heating and Pumping Unit Duplex-I* Heating and Pumping Unit Duplex-II