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The following references are recommended to study for the Arizona L-37 Plumbing (Commercial)Exam. This examination is used to obtain a Arizona L-37 Plumbing (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.
- 2018 International Fuel Gas Code
- 2018 International Mechanical Code
- 2018 International Plumbing Code
- OSHA Construction Regulations, 1926
- NFPA 13D
- NFPA 13R
- Mathematics for Plumbers and Pipefitters
- Boiler Operator’s Guide
- Modern Hydronic Heating, For Residential and Light Commercial
- NFPA 13
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29 CFR OSHA 1926 Construction Industry Regulations & Standards, July 2025 Edition
$69.99View ProductMake compliance with dense government safety regulations simple with the 29 CFR 1926 OSHA Construction Industry Regulations. Updated through July 2025, the book provides you with a comprehensive set of the most up-to-date Construction regulations.
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2018 International Mechanical Code (International Code Council Series) 1st Edition
$129.99View ProductThe 2018 International Mechanical Code (International Code Council Series) 1st Edition establishes minimum regulations for mechanical systems using prescriptive and performance-related provisions. The IMC was developed with broad-based principles that make possible the use of new materials, methods and design.
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2018 International Fuel Gas Code (International Code Council Series) 1st Edition
$129.99View ProductThe 2018 International Fuel Gas Code (IFGC), developed by the International Code Council (ICC), establishes minimum regulations for the design, installation, maintenance, and inspection of fuel gas systems. It applies to both residential and commercial buildings and aims to ensure safe and efficient use of natural gas and propane.
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Mathematics for Plumbers and Pipefitters 8th Edition
$245.99View ProductNow in its 8th edition, MATHEMATICS FOR PLUMBERS AND PIPEFITTERS delivers the essential math skills necessary in the plumbing and pipefitting professions.
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2018 International Plumbing Code
$116.99View ProductThe 2018 International Plumbing Code provides minimum regulations for plumbing facilities in terms of both performance and prescriptive objectives, and provides for the acceptance of new and innovative products, materials, and systems.
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Redi-Tag Permanent Tabs – 375 Blank Tabs
$44.99View ProductRedi-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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Boiler Operator’s Guide, 5th Edition
$106.99View ProductAnthony Kohan is a consultant with more than 30 years of experience as a technician, tester, and inspector of boiler pressure vessels and machinery.
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IPT’s Pipe and Trades Handbook
$49.99View ProductThe 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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NFPA 13R: Standard for the Installation of Sprinkler Systems in Residential Occupancies up to and Including Four Stories in Height 2007 Edition
$184.99View ProductProtect low-rise residential occupancies with the NFPA 13R 2007 edition.
Increase the level of life safety and property protection with sprinkler systems designed and installed according to the 2007 NFPA 13R. This Standard provides essential requirements for the installation of life-saving sprinklers in multiple-family residential occupancies. It includes the latest provisions for water supplies system components, system flow rates, and sprinkler location and position.
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NFPA 13D: Standard for the Installation of Sprinkler Systems in Systems in One- and Two-Family Dwellings and Manufactured Homes 2007 Edition
$184.99View ProductState-of-the-art home sprinkler systems require the improved NFPA 13D.
The 2007 NFPA 13D: Standard for the Installation of Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes provides the latest requirements for the installation of life-saving residential sprinklers for family dwellings and manufactured homes. Coverage includes system design, water supplies, equipment requirements, as well as sprinkler location, spacing and position.
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NFPA 13 Standard for the installation of Sprinkler Systems 2016
$205.99View ProductNFPA 13, Installation of Sprinkler Systems 2016 edition helps reduce risks and fire loss with proven fire protection strategies.
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Modern Hydronic Heating, For Residential and Light Commercial 4th Edition
$249.99View ProductFrom 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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Arizona Plumbing License- Commercial (C-37) Tab Pack
$115.99View ProductThe Arizona Plumbing License- Commercial (C-37) Tab Pack includes tabs for the following books:
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Arizona Plumbing License- Commercial (C-37) – Books Only Package
View ProductAs of this time we do not offer any courses for this exam. We do offer all the required books for this exam here in one complete package. Individual books can be found in our bookstore. Please be sure to check back in the future for possible course material, as we are always adding to our course catalog.
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Arizona C-37 Plumbing (Commercial) Tab Pack
$59.99View ProductPERMANENT TABS PACKAGE – This package includes permanent tabs for all references allowed to be used during the exam.
