Turn Second-hand Motor Oils, Used Transmission oil, Recycled Oils, Cooking Oils, Vegetable Oils, Hydraulic Lubricants, Combustible Synthetic Oils and oils up to 50 S.A.E. for energy recovery in your work areas reducing your heating expenses, eradicating your waste oil dumping concerns and protecting the atmosphere. The engineering staff and the experience of Reznor, a 115-year old company, were put to work to solve the problem of burning used oil. This system eliminates manual controls to adjust the fuel flow so it doesn't require daily attention. Only Reznor Furnaces work this way and feature a 10-year written warranty on the Heat Exchanger.