The following references are recommended to study for the Arizona C-37R (Residential) and L-78 (Commercial) Solar Plumbing Liquid Systems Only Exam. This examination is used to obtain a Arizona C-37R (Residential) and L-78 (Commercial) Solar Plumbing Liquid Systems Only 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
- International Mechanical Code
- International Plumbing Code
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29 CFR OSHA 1926 Construction Industry Regulations & Standards, July 2026 Edition
$76.99View ProductMake compliance with dense government safety regulations simple with the 29 CFR 1926 OSHA Construction Industry Regulations. Updated through July 2026, 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
$142.99View 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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Mathematics for Plumbers and Pipefitters 8th Edition
$283.99View 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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OSHA Part 1926 Tabs
$14.99View ProductOSHA Part 1926 – Pre-Printed Permanent Tabs – During your exam, time is of the essence. By having your pages tabbed, you can greatly increase your speed in referencing key exam topics.
These tabs are pre-printed and permanent.
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2018 International Plumbing Code
$131.99View 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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2018 International Mechanical Codes – Tabs
$14.99View ProductPreprinted tabs for the 2018 International Mechanical Code.
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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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2018 International Plumbing Codes – Tabs
$14.99View ProductPreprinted tabs for the 2018 International Plumbing Code.
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IPT’s Pipe and Trades Handbook
$54.99View ProductThe IPT’s Pipe and Trades Handbook combines all the essentials of other reference books, plus so much more. Topics include pipe and tube data, valves, fittings, flanges and gaskets, offsets and calculations—the answers to all your questions. You’ll especially appreciate the pipe layout, piping prints, oxy-acetylene set-up, pipe welding and pipe rigging sections, which are easy to understand, yet extremely detailed.
