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The following references are recommended to study for the Arizona L-4 Boilers, Steamfitting and Process Piping (Commercial) Exam. This examination is used to obtain a Arizona L-4 Boilers, Steamfitting and Process Piping (Commercial) License. Also to become a licensed contractor in Arizona, candidates will also need to pass a business and management exam.

Only the following references are permitted to be taken into the exam.

  • OSHA 1926
  • 2009 International Mechanical Code
  • 2009 International Fuel Gas Code
  • Modern Hydronic Heating, For Residential and Light Commercial

    $190.99

    From simple applications to multi-load/multi-temperature systems, learn how to use the newest and most sophisticated hydronic heating materials and methods without sacrificing comfort or energy.

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  • Low Pressure Boilers, 5th Edition

    $119.99

    Low Pressure Boilers is the leading resource for preparing for low pressure boiler operator and facility operating engineer licensing.

     

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  • 2009 International Mechanical Code

    $83.99

    Establishes minimum regulations for mechanical systems using prescriptive and performance-related provisions.

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  • 2009 International Fuel Gas Code

    $82.99

    Addresses the design and installation of fuel gas systems and gas-fired appliances through requirements that emphasize performance.

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  • Mancomm 29 CFR Part 1926 OSHA Construction Standards & Regulations, January 2021

    $52.99

    Make compliance with dense government safety regulations simple with MANCOMM’s 29 CFR 1926 OSHA Construction Industry Regulations. Updated through January 2021, the book provides you with a comprehensive set of the most up-to-date Construction regulations.

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  • IPT’s Pipe and Trades Handbook

    $39.99

    The newly revised IPT’s Pipe Trades Handbook was updated and a few new pages were added. The book is easier to read and the realignment of the charts and tables means there is no more flipping the book around to read data.

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  • Redi-Tag Permanent Tabs – 375 Blank Tabs

    $37.79

    Redi-Tag permanent tabs are self-sticking and you can print on your laser printer in minutes or write directly on them. Made of heavy duty, durable plastic that won’t tear of curl. Input and format text using Windows® versions of Microsoft® Word and WordPerfect®. Actual size of tab 1-1/8″ x 1-1/4″. 100 tabs per pack.

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