Furnace oil being viscous, the flow is poor, which makes, it compulsory to preheat up to the atomizing temperature so as to achieve optimum combustion. Furnace oil heating - pumping-filtering [hpf] units from hi- therm boiler engineers are available in the range of 1 to 60 kw. These units are must with low air pressure and pressure jet burners. They are available in simplex and duplex models depending on the process requirement. The hpf units comprise of electric oil heater fitted with renewable cartridge type hearing element, gear oil pump with motor, oil filters, ball valves, pressure regulating valves, and inter connecting pipelines. If desired, steam preheater can also be supplied in case of boiler application! these units are widely used in rolling mills, steel plants, ferrous, non-ferrous foundries, glass, silicate, ceramics and foundries, outflow oil heaters are also available for the preheating of fuel in main storage tank and service tank to make easy flow of 0, from the tank. Other product range includes pressure jet burner, lap burners, centrifugal blowers, etc.