The 1 Package: All-Inclusive Arizona Plumbing, Residential Contractor (R-37R) Exam, Licensing & Business Setup Solution

Prepare for the Arizona Plumbing, Residential Contractor R-37R exam while establishing the licensing and business foundation needed to operate professionally. The 1 Package combines trade exam preparation, an extensive reference-book library, contractor application assistance, business formation, EIN filing, and contractor compliance guidance in one organized solution.

This all-inclusive Arizona R-37R contractor package is designed for experienced plumbers, pipefitters, hydronic-heating professionals, qualifying parties, supervisors, and business owners pursuing an Arizona residential plumbing contractor license. Instead of obtaining books, course access, application assistance, and business setup services from separate providers, customers receive coordinated support throughout the exam-preparation, licensing, and business-formation process.

The preparation program addresses residential plumbing codes, fuel-gas systems, mechanical systems, water distribution, sanitary drainage, waste and vent systems, plumbing fixtures, fire sprinkler systems, boilers, hydronic heating, wastewater treatment, pipe-trade calculations, utility-location procedures, and construction safety.

The R-37R reference library includes several technical codes, standards, handbooks, and trade manuals. Effective preparation requires more than reading each book from beginning to end. Candidates should understand the purpose of every reference, recognize which source applies to a question, and practice locating information efficiently under timed testing conditions.

One year of course access provides time to build a consistent study schedule around work and family responsibilities. Candidates can review trade subjects, complete practice-oriented preparation, strengthen calculation skills, and develop familiarity with the highlighted and tabbed references.

The 1 Package also supports the steps beyond examination preparation. Application Service helps organize the Arizona contractor license application. Business Formation establishes an LLC or corporation, EIN Filing provides the business with its federal tax identification number, and Contractor Compliance Guidance helps customers understand important responsibilities connected with operating an Arizona residential plumbing business.

Exam Details

The Arizona Registrar of Contractors administers contractor licensing in Arizona, and PSI administers the state’s trade-specific contractor examinations. Applicants pursuing the R-37R Plumbing, Residential classification must complete the examination and licensing requirements that apply to the proposed qualifying party and business entity.

The qualifying party is the individual whose trade experience, knowledge, skills, and examination qualifications support the contractor license. Examination requirements must be completed by the person who will serve as the qualifying party unless an applicable waiver is granted.

The R-37R trade examination focuses on knowledge associated with residential plumbing work. Preparation may include water supply and distribution, sanitary drainage, waste and vent systems, plumbing fixtures, fuel-gas piping, mechanical systems, fire sprinklers, hydronic heating, boilers, wastewater treatment, construction safety, utility-location practices, and plumbing calculations.

Questions may require direct code research, interpretation of technical requirements, practical trade knowledge, or mathematical problem-solving. Candidates may need to identify the correct pipe size, calculate an offset, determine a drainage or venting requirement, recognize a safe installation method, or select the correct standard for a residential sprinkler system.

Arizona contractor applicants may also be required to complete the Arizona Statutes and Rules Exam course. This online requirement is separate from the plumbing trade examination and addresses Arizona laws and rules affecting licensed contractors. An applicant’s specific examination requirements depend on the licensing path and any waiver approved by the Arizona Registrar of Contractors.

Passing the required examination does not automatically issue a contractor license. The completed examination requirements, business information, qualifying-party documentation, background-check records, bond, financial-protection requirements, and other application materials must be submitted for state review.

PSI offers computer-based trade examinations through approved test centers and may provide remote-proctored testing options. Candidates must follow the scheduling, identification, security, reference-material, and testing rules associated with the examination format selected.

Open Book Test

The Arizona R-37R Plumbing, Residential trade examination is an open-book test using approved reference materials. Candidates may consult permitted books during the examination, but the size and variety of the reference library make preparation and organization essential.

An open-book format does not eliminate the need for technical knowledge. Candidates must still understand plumbing principles, recognize applicable systems, complete calculations, interpret code language, and distinguish between similar requirements found in different references.

All included books are highlighted and Tabbed. Highlighting draws attention to useful code sections, definitions, formulas, tables, safety requirements, and installation provisions. Tabs help candidates move between major chapters and subject areas more efficiently.

Candidates should practice identifying the correct reference before beginning a search. Fuel-gas questions may require the International Fuel Gas Code, while water distribution, drainage, fixture, and venting questions may require the International Plumbing Code. Mechanical or hydronic-heating questions may involve the International Mechanical Code or Modern Hydronic Heating.

Residential fire-sprinkler questions may require NFPA 13, NFPA 13D, or NFPA 13R. Candidates should understand the purpose of each standard so they can select the correct book based on the building or system described in the question.

All reference materials remain subject to PSI’s current inspection and security rules. Loose papers, removable notes, unauthorized attachments, electronic devices, and unapproved resources are not allowed. Candidates should practice with the prepared books regularly so the tab locations and book organization become familiar before exam day.

Licensing Steps

1. Confirm the R-37R classification. Review the residential plumbing scope and make sure it matches the work the business intends to offer.
2. Select the qualifying party. Identify the individual who will satisfy the applicable experience and examination requirements for the license.
3. Determine the required examinations. Review the trade examination and Arizona Statutes and Rules requirements that apply to the proposed qualifying party.
4. Prepare for the R-37R trade exam. Use the included course, highlighted and tabbed books, calculation exercises, and practice-oriented preparation.
5. Complete the examination process. Pass the required examinations unless the Arizona Registrar of Contractors grants an applicable waiver.
6. Establish the business entity. Use the included Business Formation service to organize an LLC or corporation for the plumbing business.
7. Obtain the EIN. Complete the included IRS EIN filing for business banking, taxation, payroll, hiring, and professional operations.
8. Complete background-check requirements. Follow the state process for each person who must be included in the contractor application.
9. Prepare the license application. Organize the qualifying-party information, experience records, examination results, business documents, and required disclosures.
10. Obtain the contractor license bond. Arrange the bond required for the license category and anticipated volume of work.
11. Address residential financial protection. Complete the applicable Residential Contractors’ Recovery Fund requirement or authorized alternative.
12. Submit the application. Provide the completed application and supporting documents to the Arizona Registrar of Contractors.
13. Wait for license issuance. Do not offer or perform work requiring the R-37R license until the state has approved the application and issued an active license.

State Requirements

The R-37R license is a residential specialty classification. It applies to plumbing work performed within the residential scope established by the Arizona Registrar of Contractors. Commercial plumbing work may require a separate commercial or dual classification.

The proposed qualifying party must demonstrate the experience, knowledge, and skills required for the classification. Experience records may need to describe the plumbing work performed, the types of systems involved, supervisory responsibilities, and the length of relevant trade experience.

The legal entity applying for the license must be properly formed and identified. The company name, ownership information, qualifying-party records, EIN documentation, bond documents, and contractor application should remain consistent throughout the process.

Arizona requires licensed residential contractors to provide financial protection. This includes a contractor license bond based on the applicable license category and anticipated volume of work. Residential contractors must also participate in the Residential Contractors’ Recovery Fund or provide an authorized alternative form of protection.

Applicants must complete the required examinations before the contractor application can be accepted for processing. Passing examination results must be submitted within the acceptance period established by the Arizona licensing process.

After the license is issued, the contractor must operate within the authorized classification, maintain the required bond, renew the license, and keep business and qualifying-party information current. Changes involving ownership, legal structure, address, bond, or qualifying party may require additional filings.

The contractor license belongs to the approved business entity. It does not automatically transfer with a sale, ownership change, or reorganization of the business. Proper business formation and consistent licensing records are therefore important parts of the application process.

Reference Books

• Included Book: Code of Federal Regulations – 29 CFR Part 1926 (OSHA)
  Covers federal construction-safety requirements involving excavations, trenches, personal protective equipment, ladders, tools, electrical hazards, material handling, and general jobsite responsibilities.
• Included Book: International Fuel Gas Code, 2018
  Addresses fuel-gas piping, materials, sizing, pressure, appliance connections, combustion air, venting, testing, and safety requirements.
• Included Book: International Mechanical Code, 2018
  Covers mechanical equipment, ventilation, exhaust, combustion air, hydronic systems, boilers, and related installation requirements.
• Included Book: International Plumbing Code, 2018
  Addresses fixtures, potable-water distribution, sanitary drainage, waste and vent systems, traps, cleanouts, backflow protection, materials, and pipe sizing.
• Included Book: NFPA 13: Installation of Sprinkler Systems, 2019
  Provides requirements for sprinkler-system components, water supplies, installation, inspection, testing, and acceptance.
• Included Book: NFPA 13D, 2019
  Covers residential sprinkler systems installed in one- and two-family dwellings and manufactured homes.
• Included Book: NFPA 13R, 2019
  Addresses sprinkler systems for qualifying residential occupancies up to and including four stories in height.
• Included Book: Arizona Administrative Code Title 18, Chapter 9, 2006
  Supports study of Arizona requirements involving on-site wastewater treatment facilities and related water-quality provisions.
• Included Book: Mathematics for Plumbers and Pipefitters, 8th Edition
  Supports practical trade calculations involving fractions, measurements, geometry, pipe lengths, offsets, slopes, areas, and volumes.
• Included Book: IPT’s Pipe Trades Handbook, Robert A. Lee, 2016
  Provides field-oriented information involving pipe materials, fittings, measurements, formulas, technical data, and pipe-trade calculations.
• Included Book: Boiler Operator’s Guide, 5th Edition
  Covers boiler operation, equipment, controls, combustion, maintenance, safety, and related system principles.
• Included Book: Arizona 811 – Arizona Blue Stake Brochure
  Addresses utility-location procedures and safe planning before excavation or digging work begins.
• Included Book: Modern Hydronic Heating for Residential and Light Commercial Buildings, John Siegenthaler, P.E., 2022
  Covers hydronic system design, heat sources, piping arrangements, distribution systems, circulators, controls, heat emitters, and system performance.

All books are highlighted and Tabbed. The prepared format supports organized study and faster navigation. Candidates should use the books throughout the course so they become familiar with important chapters, tables, formulas, code sections, and technical subjects.

The package includes a $1,050 refundable book deposit. The deposit is refundable when the books are returned within one year in similar condition.

Please allow up to 15 business days for The 1 Package book orders.

Test Information and Study Materials

Effective R-37R preparation should combine code navigation, trade calculations, practical plumbing knowledge, safety review, and timed question practice. Begin by learning the purpose of each book so the correct reference can be selected quickly.

International Plumbing Code study may include fixtures, water supply, pipe sizing, backflow protection, drainage, waste and vent systems, traps, cleanouts, indirect waste, and storm drainage. Candidates should practice reading complete code sections, including exceptions, tables, and cross-references.

Fuel-gas preparation may involve piping materials, sizing, pressure limitations, shutoff valves, appliance connections, combustion air, venting, testing, and inspection. Mechanical study may include boilers, hydronic systems, equipment clearances, ventilation, exhaust, and combustion requirements.

Fire-sprinkler preparation should include familiarity with NFPA 13, NFPA 13D, and NFPA 13R. Candidates should learn which standard applies to the type of residential building or sprinkler system described.

Trade mathematics can include fractions, decimals, conversions, area, volume, slope, pressure, pipe offsets, fitting allowances, and measurement. Hydronic-heating study may include boilers, circulators, piping arrangements, heat emitters, expansion control, air separation, and system controls.

OSHA preparation should focus on hazards commonly encountered during plumbing work, including trenches, excavations, ladders, tools, electrical hazards, personal protective equipment, material handling, and jobsite safety. Arizona 811 material supports safe utility-location procedures before excavation begins.

A practical study schedule can combine topic review, short code-navigation drills, calculation exercises, practice questions, and longer timed sessions. Candidates should complete direct questions first, mark questions requiring extensive research, and return to them after answering faster items.

How 1 Exam Prep Helps You Reach Your Goal

1 Exam Prep supports Arizona R-37R candidates through organized study guidance, trade-focused review, practice-oriented preparation, reference navigation, and confidence-building study structure.

The course divides the extensive plumbing reference library into manageable subject areas. Candidates can review plumbing codes, fuel gas, mechanical systems, fire sprinklers, boilers, hydronic heating, wastewater treatment, calculations, OSHA safety, and utility-location procedures through an organized preparation plan.

Practice-oriented study encourages candidates to apply technical information rather than relying only on reading. Reference-navigation exercises help students identify the correct book, locate the controlling section, use tables, and confirm answers efficiently.

Application Service supports the licensing stage by helping organize business information, qualifying-party records, examination documentation, and other application materials. Business Formation establishes an LLC or corporation so the business has an appropriate legal structure.

EIN Filing with the IRS helps the company obtain the federal identification number used to open business bank accounts, manage taxes properly, hire employees, and operate professionally. Contractor Compliance Guidance supports a clearer understanding of responsibilities associated with maintaining an Arizona contracting business.

No preparation course or business service can guarantee an examination result, licensing approval, earnings, or business success. The package provides books, course access, study structure, application assistance, and business setup services to help candidates pursue the Arizona R-37R license with stronger organization and confidence.

What is included in The 1 Package?

The package includes 13 reference books, 1 year of course access, Application Service, LLC or corporation formation, EIN Filing with the IRS, and Contractor Compliance Guidance.

What is the total cost?

The package cost is $3,365. A $1,050 refundable book deposit brings the total due to $4,415. The package is all-inclusive with no hidden fees.

How does the refundable book deposit work?

The $1,050 book deposit is refundable when the books are returned within one year in similar condition.

Are all books highlighted and tabbed?

Yes. All books are highlighted and Tabbed to support organized study and faster reference navigation.

How long should I allow for the book order?

Please allow up to 15 business days for The 1 Package book orders.

Is the Arizona R-37R exam open book?

Yes. The Arizona R-37R trade examination is an open-book test using approved reference materials, subject to PSI’s current inspection and security rules.

How long is the course available?

The package includes 1 year of course access, giving candidates time to review technical subjects, practice calculations, and develop reference-navigation skills.

Does the package include residential fire-sprinkler preparation?

Yes. The included reference library contains NFPA 13, NFPA 13D, and NFPA 13R for study of sprinkler-system requirements.

Does the package include contractor application assistance?

Yes. Application Service is included to help organize the Arizona contractor licensing process and supporting materials.

Does the package include business setup?

Yes. The package includes LLC or corporation formation and EIN filing with the IRS.

Does passing the exam automatically issue the license?

No. Passing the required examination is one part of the licensing process. The Arizona Registrar of Contractors must review and approve the complete application before issuing the license.