Arizona Plumbing, Including Solar Residential Contractor (R-37) Ultimate Exam Prep Rental

Prepare for the Arizona Plumbing, Including Solar Residential Contractor (R-37) examination with a comprehensive Ultimate Exam Prep Rental package that combines highlighted and tabbed reference books, one year of online course access, and Application Service. This package is designed for qualifying parties, experienced plumbers, solar thermal professionals, supervisors, and business owners pursuing the Arizona R-37 residential contractor classification.

The Arizona R-37 examination covers residential plumbing systems and related solar applications. Candidates may need to work with plumbing codes, fuel gas and mechanical requirements, sprinkler standards, workplace safety regulations, wastewater provisions, trade mathematics, boiler information, hydronic heating concepts, utility-location guidance, and solar water or pool heating material.

Every rental book included in this package is highlighted and tabbed. Highlighting draws attention to selected provisions, definitions, tables, formulas, and technical information. Tabs create clear navigation points throughout the references so candidates can move between important chapters and subjects more efficiently during study and timed practice.

The Ultimate package also includes one year of course access. The online course provides an organized preparation structure for reviewing trade subjects, practicing calculations, improving reference navigation, and working through exam-focused material. Candidates can use the course alongside the prepared rental books to build familiarity with the same technical library used throughout their preparation.

Application Service is also included. This service supports candidates as they organize the information and documents used during the Arizona contractor licensing application process. Examination preparation and application support are combined in one package to create a more complete path toward the candidate’s residential plumbing and solar licensing goal.

Exam Details

The Arizona R-37 Plumbing, Including Solar residential examination evaluates knowledge connected with water and gas piping systems, fire-protection systems, sewage treatment systems, plumbing fixtures, vents, devices common to the plumbing trade, and applicable solar work. The classification includes the residential plumbing work covered by the related R-37R subclassifications.

The R-37 trade examination contains 100 questions. Candidates are allowed 240 minutes to complete the test and must earn a minimum score of 70 percent to pass.

Preparation may include drainage, waste and vent systems, water supply, backflow prevention, plumbing fixtures, water heaters, storm drainage, specialty plumbing, interceptors, traps, isometric analysis, fuel gas, septic and sewer systems, fire sprinklers, excavation, mechanical systems, hydronic heating, boilers, construction safety, and solar thermal applications.

Exam questions may require candidates to identify a code requirement, interpret a definition, select an approved material, use a technical table, calculate a measurement, evaluate a piping arrangement, identify a safe work practice, or determine which publication applies to the situation described.

Solar-related preparation may include solar water heating, solar pool heating, collectors, storage, system piping, circulation, pumps, controls, heat transfer, system configuration, installation practices, operation, maintenance, and safety considerations.

Candidates should practice identifying the subject of a question before opening a book. A water distribution or drainage question may require the International Plumbing Code, while a fuel gas question may lead to the International Fuel Gas Code. A solar thermal question may require the Solar Water and Pool Heating Design and Installation Manual.

Open Book Test

The Arizona R-37 trade examination is an open-book test. Candidates may use approved reference materials during the examination in accordance with the current testing rules.

Open-book testing requires more than carrying the correct books into the exam room. The reference library is extensive, and candidates must know which publication covers each subject. Searching every book without a clear method can consume valuable testing time.

The highlighted and tabbed rental references support a more organized navigation process. Tabs create visible landmarks for important chapters and subject areas. Highlighting makes selected code provisions, formulas, tables, definitions, and technical information easier to recognize during review.

Candidates should learn the table of contents, index, chapter structure, definitions, appendices, tables, diagrams, and cross-references in every book. They should also read the surrounding text when locating an answer because exceptions, notes, footnotes, and table headings may affect how a requirement applies.

Timed practice should be completed with the actual rental books. Candidates can track how quickly they identify the correct reference, locate the applicable section, and interpret the information. Repeated navigation practice can help reduce unnecessary searching and improve confidence with the entire library.

Book preparation and exam-room materials must follow the testing provider’s current rules. Candidates should review the current candidate bulletin before reporting for the test.

Licensing Steps

Begin by confirming that the R-37 Plumbing, Including Solar residential classification matches the work the applicant or business plans to perform. The classification applies to residential plumbing and applicable solar work within its authorized scope.

Identify the qualifying party for the contractor license. The qualifying party is responsible for meeting the experience, knowledge, and examination requirements associated with the requested classification and maintaining the required relationship with the applicant business.

Complete the R-37 trade examination unless an authorized waiver applies. The qualifying party may also need to complete the applicable Arizona Statutes and Rules requirement as part of the licensing process.

Complete the required background checks for the individuals identified by the application requirements. Applicants should coordinate background-check timing with examination completion and document preparation.

Obtain the required contractor bond and gather the documents associated with the applicant’s business structure. Arizona contractor licenses may be issued to eligible business entities such as sole proprietorships, partnerships, limited liability companies, and corporations.

Prepare the application using consistent business names, ownership information, qualifying-party records, identification, examination results, experience documentation, background-check information, bond paperwork, and required forms.

Because the R-37 classification includes solar work, applicants must also provide the applicable solar warranty documentation with the license application.

Submit the completed application to the Arizona Registrar of Contractors for review. Passing the examination is an important step, but it does not automatically result in license issuance. The application must satisfy the state’s licensing requirements before approval.

State Requirements

Arizona contractor licensing is administered by the Arizona Registrar of Contractors. Applicants must satisfy the requirements associated with the selected classification, qualifying party, relevant experience, examinations or approved waivers, background checks, contractor bonding, business documentation, and license application.

The R-37 classification applies to residential plumbing, including solar work, within the scope established for the classification. It should not automatically be treated as authorization for commercial plumbing or other work outside the permitted residential scope.

The qualifying party should have experience relevant to the plumbing and solar work covered by the license. Applicants should maintain organized records describing employment, project responsibilities, supervision, installation work, repair work, and hands-on trade duties.

Business names, ownership details, identification records, background-check information, bond paperwork, and qualifying-party documents should remain consistent throughout the application. Missing or conflicting information may delay the licensing review.

Applicants seeking a classification that includes solar work must submit the required solar warranty documentation. Current state forms and instructions should be used when preparing the application.

Reference Books

• Included Book: Code of Federal Regulations - 29 CFR Part 1926 (OSHA)
  A highlighted and tabbed rental reference covering construction safety, excavation, ladders, scaffolds, personal protective equipment, fall protection, electrical hazards, material handling, and jobsite practices.
• Included Book: International Fuel Gas Code, 2018
  A highlighted and tabbed rental code addressing gas piping, system sizing, appliance connections, regulators, shutoff valves, combustion air, venting, testing, and installation requirements.
• Included Book: International Mechanical Code, 2018
  A highlighted and tabbed rental code covering mechanical equipment, ventilation, exhaust, combustion air, hydronic systems, appliances, and related installations.
• Included Book: International Plumbing Code, 2018
  A highlighted and tabbed rental code covering plumbing fixtures, water distribution, sanitary drainage, vents, traps, storm drainage, indirect waste, water heaters, materials, inspections, and testing.
• Included Book: NFPA 13: Installation of Sprinkler Systems, 2019
  A highlighted and tabbed rental standard addressing automatic sprinkler-system components, piping, installation, water supplies, inspection, and testing.
• Included Book: NFPA 13D - Installation of Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes, 2019
  A highlighted and tabbed rental standard focused on sprinkler systems for one- and two-family dwellings and manufactured homes.
• Included Book: NFPA 13R - Sprinkler Systems for Residential Occupancies up to and Including Four Stories in Height, 2019
  A highlighted and tabbed rental standard covering qualifying residential sprinkler systems, components, installation, and water-supply provisions.
• Included Book: On-site Wastewater Treatment Facility Provisions in Unified Water Quality Permit Rule, Arizona Administrative Code Title 18, Chapter 9, 2006
  A highlighted and tabbed rental reference containing Arizona provisions related to onsite wastewater treatment facilities and disposal systems.
• Included Book: Mathematics for Plumbers and Pipefitters, 8th Edition
  A highlighted and tabbed rental resource covering measurements, conversions, areas, volumes, offsets, angles, slopes, pressure, capacity, and plumbing calculations.
• Included Book: IPT’s Pipe Trades Handbook, Robert A. Lee, 2016
  A highlighted and tabbed rental handbook containing formulas, tables, fitting information, measurements, layout guidance, materials, and pipe-trade data.
• Included Book: Boiler Operator’s Guide, 5th Edition
  A highlighted and tabbed rental guide addressing boiler components, controls, combustion, operation, maintenance, water treatment, safety, and troubleshooting.
• Included Book: Arizona 811 - Arizona Blue Stake Brochure
  A prepared rental reference covering underground utility location, safe-digging procedures, and excavation practices in Arizona.
• Included Book: Modern Hydronic Heating for Residential and Light Commercial Buildings, John Siegenthaler, P.E., 2022
  A highlighted and tabbed rental reference covering hydronic system design, boilers, piping arrangements, circulators, controls, zoning, radiant heating, and heat emitters.
• Included Book: Solar Water and Pool Heating Design and Installation Manual
  A highlighted and tabbed rental reference covering solar thermal principles, collectors, storage, system piping, circulation, controls, solar water heating, solar pool heating, operation, and maintenance.

Test Information and Study Materials

Use the one-year course access period to create a structured study schedule. Begin with core plumbing subjects such as drainage, venting, water distribution, fixtures, traps, water heaters, storm drainage, and indirect waste.

Review fuel gas piping, system demand, sizing, appliance connections, regulators, shutoff valves, combustion air, venting, and testing. Mechanical preparation should include equipment, ventilation, exhaust, hydronic systems, combustion air, and related installations.

Compare NFPA 13, NFPA 13D, and NFPA 13R. Candidates should learn the application of each standard and practice identifying the correct reference based on the building or system described.

Safety preparation should include excavation, protective systems, access and egress, spoil placement, ladders, scaffolds, personal protective equipment, electrical hazards, and underground utility-location practices.

Practice plumbing and pipe-trade mathematics involving measurements, conversions, areas, volumes, slopes, offsets, pressure, capacity, pipe sizing, flow, and system performance. Use the boiler and hydronic references to review heat transfer, circulation, equipment, controls, piping arrangements, and safe operation.

Solar preparation should include collectors, storage, system configuration, circulation, pumps, controls, piping, solar water heating, pool heating, heat transfer, installation, operation, and maintenance.

Complete timed exercises with the highlighted and tabbed books. Record which references take the longest to navigate and which subjects produce repeated errors. Use those results to guide additional course review.

How 1 Exam Prep Helps You Reach Your Goal

1 Exam Prep combines an organized online course, a complete highlighted and tabbed rental library, trade-focused review, reference-navigation support, and Application Service in one comprehensive package.

The course helps candidates divide the Arizona R-37 examination into manageable subjects, including plumbing, fuel gas, mechanical systems, fire sprinklers, wastewater, safety, boilers, hydronic heating, mathematics, and solar thermal applications.

The prepared books reduce the work required to organize a large reference library. Tabs create recognizable navigation points, while highlighting makes selected provisions, formulas, tables, and definitions easier to locate during study.

Practice-oriented preparation helps candidates apply technical information to calculations, code questions, installation scenarios, and system layouts. Repeated review can help identify weaker areas and develop a more consistent exam strategy.

One year of course access provides time to revisit difficult subjects, repeat practice activities, and build familiarity with every reference. Application Service supports candidates as they organize the information and documents connected with the Arizona licensing application.

The package does not guarantee a passing score or license approval. It provides organized preparation resources and realistic support for candidates working toward the Arizona R-37 residential plumbing and solar contractor classification.

Frequently Asked Questions

What is included in the Ultimate Exam Prep Rental?

The package includes all listed highlighted and tabbed rental books, one year of course access, and Application Service.

Are all rental books highlighted and tabbed?

Yes. Every book included with this Ultimate rental package is highlighted and tabbed to support organized study and efficient reference navigation.

What is the package price?

The package price is $2,365.

How much is the refundable deposit?

The refundable book deposit is $1,100.

What is the total due today?

The total due today is $3,465, including the package price and refundable deposit.

When is the deposit refunded?

The $1,100 deposit is fully refundable when the books are returned in similar condition within the rental period.

How long does course access last?

The Ultimate package includes 1 year of course access.

Is Application Service included?

Yes. Application Service is included with this package.

How long should I allow for order processing?

Please allow up to 15 business days for ultimate book package orders.

Is the Arizona R-37 examination open book?

Yes. The Arizona R-37 trade examination is open book, subject to the current testing rules for approved references and permitted materials.

Does the package include solar exam preparation?

Yes. The package includes the Solar Water and Pool Heating Design and Installation Manual and course preparation related to solar thermal applications.

Do the prepared books replace studying?

No. Highlighting and tabs support navigation, but candidates must still understand the codes, calculations, systems, safety requirements, and trade principles covered by the examination.

Does completing the course automatically provide an Arizona contractor license?

No. The Arizona Registrar of Contractors issues licenses after applicants complete the applicable examination, experience, background-check, bonding, solar documentation, business, and application requirements.