The Clean Burn CB-1750 Used Oil Furnace produces approximately 175,000 BTUs an hour. It features a small, low-profile design, making it ideal for numerous applications and convenient installations. According to the company, as a broad guideline the CB-1750 is suitable for facilities generating smaller quantities of waste oil annually. It features non-welded flue tubes for longer service life and swing-away burner and door for easier service.