{"product_id":"illinois-chicago-illinois-301-stationary-engineer-package","title":"Chicago Illinois 301 Stationary Engineer Book Package","description":"\u003ch1 style=\"color: #d32f2f;\"\u003eChicago Illinois 301 Stationary Engineer Book Package\u003c\/h1\u003e\n\n\u003cp\u003ePrepare for the \u003cstrong\u003eChicago Illinois 301 Stationary Engineer Licensure Examination\u003c\/strong\u003e with a focused five-book package covering low-pressure boilers, high-pressure boilers, steam plant operation, boiler controls, combustion, water and steam properties, boiler maintenance, equipment safety, and recognized ASME guidance for heating and power boilers.\u003c\/p\u003e\n\n\u003cp\u003eThe City of Chicago requires a stationary engineer license for individuals who operate, manage, or take charge of regulated steam and hot-water boiler equipment and steam plants within the city. The written examination is administered by \u003cstrong\u003eContinental Testing Services\u003c\/strong\u003e on behalf of the Chicago Department of Buildings and is designed to measure the knowledge needed to safely operate boilers and associated steam-plant equipment.\u003c\/p\u003e\n\n\u003cp\u003eThis package includes \u003cstrong\u003eLow Pressure Boilers, 3rd Edition\u003c\/strong\u003e, \u003cstrong\u003eHigh Pressure Boilers, 6th Edition, 2019\u003c\/strong\u003e, \u003cstrong\u003eSteam Plant Operation, 10th Edition\u003c\/strong\u003e, \u003cstrong\u003eASME Boiler \u0026amp; Pressure Vessel Code, Section VI: Recommended Rules for the Care and Operation of Heating Boilers\u003c\/strong\u003e, and \u003cstrong\u003eASME Boiler \u0026amp; Pressure Vessel Code, Section VII: Recommended Guidelines for the Care of Power Boilers\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThe Chicago Stationary Engineer examination places substantial emphasis on safe boiler operation and controls. Other tested subjects include boiler types, steam and water systems, combustion, fuel systems, maintenance, valves, pumps, piping, boiler accessories, and boiler-room safety. Candidates should be able to connect operating principles with practical safety procedures rather than relying on isolated facts.\u003c\/p\u003e\n\n\u003cp\u003eThis book package is designed to help candidates build the broad technical foundation needed for the Chicago 301 Stationary Engineer exam. The references provide detailed explanations of boiler construction and operation while also addressing the operating practices and safety principles stationary engineers encounter when managing steam and hot-water systems.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWhat You Get\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\u003cstrong\u003eLow Pressure Boilers, 3rd Edition\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eHigh Pressure Boilers, 6th Edition, 2019\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eSteam Plant Operation, 10th Edition, 2017\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eASME Boiler \u0026amp; Pressure Vessel Code, Section VI: Recommended Rules for the Care and Operation of Heating Boilers\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eASME Boiler \u0026amp; Pressure Vessel Code, Section VII: Recommended Guidelines for the Care of Power Boilers\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eTogether, these references cover low- and high-pressure boiler operation, steam-plant fundamentals, boiler accessories, combustion, controls, fuel systems, feedwater systems, maintenance, water treatment, safety devices, operating procedures, and recognized practices for heating and power boilers.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eExam Details\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eChicago 301 Stationary Engineer Licensure Examination\u003c\/strong\u003e is a written examination administered through Continental Testing Services for the City of Chicago Department of Buildings.\u003c\/p\u003e\n\n\u003cp\u003eThe official examination study guide provides candidates with \u003cstrong\u003e3 hours\u003c\/strong\u003e to complete the test. Candidates who earn a score of \u003cstrong\u003e70 or higher\u003c\/strong\u003e receive a passing result.\u003c\/p\u003e\n\n\u003cp\u003eThe published examination content outline divides the test into nine major areas:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\u003cstrong\u003eTypes of Boilers – 10%\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eBasic Principles and Units – 12%\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eWater and Steam Properties – 7%\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eCombustion Principles – 12%\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eSafe Operation of Steam Boilers – 16%\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eControls – 16%\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eMaintenance and Safety – 8%\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eEquipment and Safety – 12%\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eFuel Combustion and Byproducts – 7%\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSafe Operation of Steam Boilers\u003c\/strong\u003e and \u003cstrong\u003eControls\u003c\/strong\u003e are the two largest examination categories at 16% each. Together they represent nearly one-third of the published content outline, making safe operating procedures, safety controls, combustion controls, draft controls, and operating controls especially important areas of study.\u003c\/p\u003e\n\n\u003cp\u003eBasic Principles and Units, Combustion Principles, and Equipment and Safety each account for 12% of the exam. Candidates should therefore have a working understanding of boiler fittings and accessories, feedwater systems, fuel systems, draft systems, steam systems, combustion theory, pumps, valves, piping, joints, boiler accessories, and boiler-room safety.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eClosed Book Test\u003c\/h2\u003e\n\n\u003cp\u003eThe Chicago 301 Stationary Engineer examination uses the listed references as \u003cstrong\u003estudy materials for examination preparation\u003c\/strong\u003e. Candidates should prepare to answer examination questions from their knowledge of the subject matter rather than depend on searching the books while testing.\u003c\/p\u003e\n\n\u003cp\u003eThis makes advance study especially important. Candidates should work through boiler terminology, operating sequences, safety devices, combustion principles, controls, water treatment, pumps, valves, fittings, pressure relationships, and emergency operating procedures until the concepts can be recognized and applied without lengthy reference searches.\u003c\/p\u003e\n\n\u003cp\u003eThe books remain valuable preparation tools because the official examination guide bases its questions on the technical material contained in the designated boiler and steam-plant references. Reading the material alongside practice questions can help candidates connect technical definitions with actual boiler operating situations.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eLicensing Steps\u003c\/h2\u003e\n\n\u003cp\u003eThe Chicago stationary engineer license is issued by the \u003cstrong\u003eCity of Chicago Department of Buildings\u003c\/strong\u003e. Continental Testing Services processes examination applications and administers the written examination.\u003c\/p\u003e\n\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMeet the minimum age requirement.\u003c\/strong\u003e Applicants must be at least 20 years old.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete the required practical experience.\u003c\/strong\u003e Applicants must have at least two years of practical experience in the management, operation, or construction of steam engines and boilers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDocument qualifying experience.\u003c\/strong\u003e The applicant's work experience must be verified by a supervisor. Additional documentation applies when the experience was gained in Chicago or another jurisdiction that licenses stationary engineers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSubmit the stationary engineer license application.\u003c\/strong\u003e New applications are submitted through the City of Chicago's Inspections, Permits \u0026amp; Licenses system.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReceive approval to take the examination.\u003c\/strong\u003e Applicants must satisfy the city's application and experience requirements before completing the written licensing examination.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrepare for the Chicago 301 examination.\u003c\/strong\u003e Study boiler operation, combustion, steam and water properties, controls, safety, maintenance, fuel systems, pumps, valves, piping, and related equipment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete the written examination.\u003c\/strong\u003e The examination is administered through Continental Testing Services and allows three hours.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEarn the required passing score.\u003c\/strong\u003e A score of 70 or higher is required for a passing result.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete the licensing process.\u003c\/strong\u003e Candidates who pass must complete the remaining City of Chicago licensing requirements for issuance of the stationary engineer license.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eState Requirements\u003c\/h2\u003e\n\n\u003cp\u003eThis is a \u003cstrong\u003eCity of Chicago occupational license\u003c\/strong\u003e rather than a general statewide Illinois stationary engineer license. The licensing requirements apply to regulated stationary engineer work performed within Chicago under the city's municipal requirements.\u003c\/p\u003e\n\n\u003cp\u003eA Chicago stationary engineer license is required before an individual uses, manages, or operates a \u003cstrong\u003esteam engine or steam boiler with an output capacity greater than 50 boiler horsepower or intended for operation at a pressure greater than 10 psig\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThe license is also required for operation of a \u003cstrong\u003ehot-water boiler intended for operation above 160 psi or at a temperature above 250°F\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eIn addition, a licensed stationary engineer is required before an individual takes charge of, manages, or operates a \u003cstrong\u003esteam plant\u003c\/strong\u003e within the City of Chicago. The city describes a steam plant as a system connected to regulated equipment and used to generate or distribute steam or hot water for space heating or industrial processes.\u003c\/p\u003e\n\n\u003cp\u003eChicago issues only \u003cstrong\u003eone type of stationary engineer license\u003c\/strong\u003e. Applicants must be of good character, be at least 20 years of age, have at least two years of qualifying practical experience, and pass the required written examination.\u003c\/p\u003e\n\n\u003cp\u003eThe practical experience requirement can involve the management, operation, or construction of steam engines and boilers. Applicants must provide acceptable verification of that experience as part of the application process.\u003c\/p\u003e\n\n\u003cp\u003eOnce issued, the current Chicago stationary engineer license is valid for \u003cstrong\u003etwo years\u003c\/strong\u003e. Licensees are responsible for maintaining their license and complying with applicable city ordinances, safety requirements, and industry standards while operating regulated equipment.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eReference Books\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Pressure Boilers, 3rd Edition\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eProvides foundational instruction on low-pressure steam and hot-water boilers, boiler construction, fittings, accessories, combustion, draft, feedwater systems, controls, water treatment, operating procedures, maintenance, and boiler safety.\u003c\/span\u003e\n\u003c\/li\u003e\n\n  \u003cli\u003e\n\u003cstrong\u003eHigh Pressure Boilers, 6th Edition, 2019\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eCovers high-pressure boiler systems, steam generation, boiler construction, fittings, combustion equipment, fuel systems, feedwater systems, draft, controls, water treatment, operation, maintenance, and safety practices associated with higher-pressure equipment.\u003c\/span\u003e\n\u003c\/li\u003e\n\n  \u003cli\u003e\n\u003cstrong\u003eSteam Plant Operation, 10th Edition, 2017\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eProvides broad technical coverage of steam generation and plant operation, including boiler systems, combustion, fuels, feedwater, steam systems, auxiliaries, controls, maintenance, plant efficiency, operating practices, and power-plant equipment.\u003c\/span\u003e\n\u003c\/li\u003e\n\n  \u003cli\u003e\n\u003cstrong\u003eASME Boiler \u0026amp; Pressure Vessel Code, Section VI: Recommended Rules for the Care and Operation of Heating Boilers\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eProvides recognized guidance for the safe care and operation of heating boilers, including operating practices, controls, inspection considerations, maintenance, and safety procedures for low-pressure heating systems.\u003c\/span\u003e\n\u003c\/li\u003e\n\n  \u003cli\u003e\n\u003cstrong\u003eASME Boiler \u0026amp; Pressure Vessel Code, Section VII: Recommended Guidelines for the Care of Power Boilers\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eProvides recommended operating and maintenance guidance for power boilers, including boiler components, controls, safety practices, inspection considerations, water treatment, operation, and maintenance.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eTest Information and Study Materials\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eTypes of Boilers\u003c\/strong\u003e accounts for 10% of the published examination outline. Candidates should recognize high- and low-pressure boiler systems, fire-tube boilers, water-tube boilers, cast-iron boilers, electric boilers, and package boilers. Study how construction and operating characteristics differ among these boiler types.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBasic Principles and Units\u003c\/strong\u003e accounts for 12%. Review steam boiler fundamentals, fittings and accessories, feedwater systems, fuel systems, draft systems, and steam distribution. Understanding how each component interacts with the overall system is important when answering operating and troubleshooting questions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWater and Steam Properties\u003c\/strong\u003e represents 7% of the exam. Study steam formation, pressure and temperature relationships, feedwater, steam accessories, boiler-water treatment, scale, sludge, and other residues that can affect heat transfer and boiler reliability.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCombustion Principles\u003c\/strong\u003e makes up 12%. Candidates should understand the theory and process of combustion, fuels, combustion accessories, air requirements, draft, burners, atomization, flame conditions, and combustion control.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSafe Operation of Steam Boilers\u003c\/strong\u003e is one of the two largest exam areas at 16%. Candidates should study startup, normal operation, shutdown, water-level monitoring, blowdown, low-water conditions, pressure control, safety devices, abnormal conditions, and emergency procedures.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eControls\u003c\/strong\u003e also represents 16%. Review safety controls, operating controls, combustion controls, draft controls, low-water cutoffs, pressure controls, flame safeguards, fuel shutoff systems, and the relationship between controls and safe boiler operation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMaintenance and Safety\u003c\/strong\u003e accounts for 8%. Preparation should include cleaning, inspection, repair, replacement, scale removal, soot removal, preventive maintenance, and safe procedures for servicing boiler equipment.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eEquipment and Safety\u003c\/strong\u003e represents 12%. Candidates should study valves, pumps, boiler accessories, piping, joints, fittings, gauges, safety valves, water columns, and general boiler-room safety. Understand both the purpose of each component and the risks associated with improper operation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFuel Combustion and Byproducts\u003c\/strong\u003e accounts for 7%. Review gas, oil, and electric boiler systems, fuel characteristics, combustion products, fuel preparation, burner operation, and conditions associated with incomplete or inefficient combustion.\u003c\/p\u003e\n\n\u003cp\u003eThe official Chicago study guide also contains sample multiple-choice questions that demonstrate the type of applied knowledge expected. Topics include high-pressure boiler definitions, pressure gauges, siphons, fuel-oil systems, low-water conditions, low-pressure boiler venting, low-water cutoff testing, flame failure, boiler-tube cleaning, fire extinguisher classifications, and fuel-oil preheating.\u003c\/p\u003e\n\n\u003cp\u003eA productive study method is to divide preparation according to the official percentages. Spend additional time on controls and safe operation, but continue reviewing every section because the exam covers a wide range of boiler and steam-plant knowledge.\u003c\/p\u003e\n\n\u003cp\u003eCandidates should also practice explaining why an operating procedure is safe or unsafe. Understanding the reason behind low-water protection, pressure-control settings, combustion safeguards, water treatment, proper blowdown, and fuel control is more useful than memorizing disconnected statements.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eHow 1 Exam Prep Helps You Reach Your Goal\u003c\/h2\u003e\n\n\u003cp\u003e1 Exam Prep supports Chicago Stationary Engineer candidates through organized study guidance, boiler-focused technical review, practice-oriented preparation, and a structured approach to the topics identified in the official examination outline.\u003c\/p\u003e\n\n\u003cp\u003eThe Chicago Illinois 301 Stationary Engineer Book Package brings together resources covering both low- and high-pressure boilers, complete steam-plant operation, and recognized ASME operating guidance. Candidates can use the books to build knowledge progressively, beginning with boiler fundamentals and moving into controls, combustion, maintenance, safety, and power-boiler operation.\u003c\/p\u003e\n\n\u003cp\u003eOrganizing study around the official percentages can help candidates direct additional attention toward Safe Operation of Steam Boilers and Controls while still maintaining coverage of boiler types, steam properties, combustion, maintenance, equipment, and fuel systems.\u003c\/p\u003e\n\n\u003cp\u003ePractice-oriented preparation can also help candidates become more comfortable with questions that present an operating situation and ask for the safest or technically correct response. Reviewing the underlying principles after each practice question builds stronger understanding than memorizing answer choices.\u003c\/p\u003e\n\n\u003cp\u003e1 Exam Prep's goal is to help candidates build an organized preparation routine, strengthen boiler and steam-plant knowledge, and develop greater confidence with the technical subjects associated with the Chicago 301 Stationary Engineer licensure examination.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWhat is the Chicago 301 Stationary Engineer license?\u003c\/h2\u003e\n\n\u003cp\u003eIt is a City of Chicago license required for individuals who operate, manage, or take charge of certain regulated steam boilers, hot-water boilers, and steam plants within the city.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWho administers the Chicago Stationary Engineer examination?\u003c\/h2\u003e\n\n\u003cp\u003eThe written examination is administered by \u003cstrong\u003eContinental Testing Services\u003c\/strong\u003e for the City of Chicago Department of Buildings.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eHow long is the Chicago Stationary Engineer exam?\u003c\/h2\u003e\n\n\u003cp\u003eThe official examination study guide provides candidates with \u003cstrong\u003e3 hours\u003c\/strong\u003e to complete the test.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWhat score is required to pass?\u003c\/h2\u003e\n\n\u003cp\u003eCandidates must earn a score of \u003cstrong\u003e70 or higher\u003c\/strong\u003e to receive a passing result.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWhat are the largest sections of the exam?\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eSafe Operation of Steam Boilers\u003c\/strong\u003e and \u003cstrong\u003eControls\u003c\/strong\u003e are the largest categories, accounting for 16% each.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eDoes the exam cover both low-pressure and high-pressure boilers?\u003c\/h2\u003e\n\n\u003cp\u003eYes. The published examination outline includes high- and low-pressure boiler types and tests operating principles that apply across boiler and steam-plant systems.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eDoes the exam cover combustion?\u003c\/h2\u003e\n\n\u003cp\u003eYes. Combustion Principles account for 12% of the published examination outline, and Fuel Combustion and Byproducts account for another 7%.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eDoes the exam include boiler controls?\u003c\/h2\u003e\n\n\u003cp\u003eYes. Controls account for \u003cstrong\u003e16%\u003c\/strong\u003e of the examination and include safety controls, draft controls, combustion controls, and operating controls.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eHow much experience is required to apply?\u003c\/h2\u003e\n\n\u003cp\u003eApplicants must have at least \u003cstrong\u003etwo years of practical experience\u003c\/strong\u003e in the management, operation, or construction of steam engines and boilers.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWhat is the minimum age for a Chicago Stationary Engineer license?\u003c\/h2\u003e\n\n\u003cp\u003eAn applicant must be at least \u003cstrong\u003e20 years old\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWhen is a Chicago Stationary Engineer license required?\u003c\/h2\u003e\n\n\u003cp\u003eThe license is required for regulated steam equipment exceeding the city's specified boiler-horsepower or pressure thresholds, qualifying high-pressure or high-temperature hot-water boilers, and for individuals who take charge of, manage, or operate a steam plant within Chicago.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eAre there different grades of Chicago Stationary Engineer licenses?\u003c\/h2\u003e\n\n\u003cp\u003eNo. The City of Chicago currently issues \u003cstrong\u003eone type of stationary engineer license\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWhy use the Chicago Illinois 301 Stationary Engineer Book Package?\u003c\/h2\u003e\n\n\u003cp\u003eThe package combines low-pressure boiler instruction, high-pressure boiler instruction, steam-plant operation, and ASME heating- and power-boiler guidance to provide broad preparation across the technical subjects identified in the Chicago Stationary Engineer examination outline.\u003c\/p\u003e\n\n","brand":"1 Exam Prep","offers":[{"title":"Default Title","offer_id":46523900067897,"sku":null,"price":2095.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1789\/0861\/files\/IL-STATIONARYENGINEER-BOOKS.jpg?v=1789566059","url":"https:\/\/1examprep.com\/products\/illinois-chicago-illinois-301-stationary-engineer-package","provider":"1 Exam Prep","version":"1.0","type":"link"}