Arizona Solar Plumbing, Liquid Systems Only Residential / Commercial Contractor (CR-78) - Books & Course Rental - Exam Room Approved

The Arizona Solar Plumbing, Liquid Systems Only Residential / Commercial Contractor (CR-78) - Books & Course Rental - Exam Room Approved package is designed for contractors preparing for the Arizona CR-78 solar plumbing liquid systems exam with rental reference books and structured online course access. This package gives students access to the listed solar plumbing, mechanical, plumbing code, OSHA safety, pipe trades, math, and solar water heating references while also providing 6 months of course access for organized exam preparation.

The Arizona CR-78 Solar Plumbing, Liquid Systems Only classification is a residential and commercial contractor classification focused on solar liquid systems. Contractors preparing for this license path should understand solar water heating, solar pool heating, liquid system components, plumbing connections, mechanical system concepts, piping, pumps, valves, storage equipment, pressure, temperature, controls, safety, installation practices, and applicable plumbing and mechanical code material. Because this trade connects solar energy concepts with plumbing and liquid circulation systems, students should prepare with both technical trade knowledge and reference-navigation practice.

This books and course rental package is a practical option for students who want access to the listed exam-room-approved books without purchasing every reference outright. The rental format allows students to study from the references during the preparation period, while the course provides a more structured path through the materials. Open-book exams still require serious preparation. Students need to know which book to use, where key topics are located, how to work with indexes and tables, and how to answer questions under time pressure.

This package is priced at $840 plus a $150 refundable deposit, for a total of $990. The refundable deposit applies to the rental books and is separate from the rental price. Students receive the listed rental book package along with 6 months of course access for Arizona Solar Plumbing, Liquid Systems Only Residential / Commercial Contractor (CR-78) exam preparation.

Exam Details

The Arizona Solar Plumbing, Liquid Systems Only Residential / Commercial Contractor (CR-78) exam is connected to the residential and commercial solar plumbing liquid systems classification. This exam focuses on the trade knowledge needed for contractors who install and work with solar liquid systems in residential and commercial settings. The preparation process should include OSHA construction safety, plumbing code use, mechanical code use, plumbing and pipefitting math, pipe trade reference material, and solar water and pool heating design and installation concepts.

The CR-78 classification is focused on solar liquid systems. This includes solar heating systems for swimming pools that tie into and operate from conventional pool systems. The scope excludes non-solar plumbing, electrical, and mechanical systems and components. Preparation should include the parts and functions of solar collectors, storage tanks, pumps, valves, sensors, controls, piping, heat transfer, water movement, temperature control, pressure control, and system performance.

Students should also understand how solar liquid systems connect to existing plumbing and mechanical systems within the limits of the classification. Solar water heating and solar pool heating both require careful system layout, proper component selection, safe installation practices, and an understanding of how liquid circulates through collectors, piping, storage, and connected equipment. Contractors preparing for CR-78 should be comfortable with the language of plumbing systems, mechanical systems, and solar thermal system design.

The listed references support several important areas of study. OSHA 29 CFR Part 1926 supports construction safety preparation. The International Plumbing Code, 2018 supports plumbing system requirements, piping, water supply, drainage concepts, materials, fixtures, and code navigation. The International Mechanical Code, 2018 supports mechanical system concepts, hydronic systems, equipment requirements, ventilation, and installation standards. Mathematics for Plumbers and Pipefitters supports trade calculations, slopes, offsets, conversions, measurements, and field math. IPT’s Pipe Trades Handbook supports piping data, formulas, layout information, fittings, materials, and practical pipe trade reference needs. Solar Water and Pool Heating Design and Installation Manual supports solar liquid system design, installation, system components, and solar water heating concepts.

Open Book Test

The Arizona Solar Plumbing, Liquid Systems Only Residential / Commercial Contractor (CR-78) exam is an open-book test. Approved reference books may be used during the exam, which makes book familiarity a major part of preparation. Students should study with the references before test day so they can move through the materials efficiently and recognize where different types of information are located.

Open-book testing does not remove the need to study. A student who is unfamiliar with the books may spend too much time searching and may struggle to answer questions efficiently. A safety question may require OSHA. A plumbing code question may require the International Plumbing Code. A mechanical or hydronic question may require the International Mechanical Code. A calculation question may require Mathematics for Plumbers and Pipefitters or IPT’s Pipe Trades Handbook. A solar system design or installation question may require the Solar Water and Pool Heating Design and Installation Manual.

Good open-book preparation includes reviewing tables of contents, indexes, definitions, diagrams, formulas, tables, and chapter headings. Students should practice locating information and should learn the language used in each reference. The more familiar students become with the books during the study period, the more prepared they can be when answering exam questions under timed conditions.

Licensing Steps

Arizona contractor licensing is handled through the Arizona Registrar of Contractors. Contractors pursuing the CR-78 Solar Plumbing, Liquid Systems Only residential and commercial classification should follow the state licensing process for the correct license classification, business structure, and qualifying party. Because this classification is specific to residential and commercial solar plumbing liquid systems, applicants should confirm that the CR-78 license path matches the work the business plans to perform.

A practical licensing path begins with selecting the correct classification. The applicant then identifies the qualifying party, who is the person connected to the trade knowledge and experience for the classification. The applicant must follow Arizona ROC instructions for the application, business information, required documentation, and any additional state requirements connected to the license.

Exam preparation should begin early because the CR-78 exam draws from several types of references. Students need time to review solar water and pool heating systems, plumbing code, mechanical code, pipe trade information, trade math, and OSHA safety. This package supports a steady preparation plan with 6 months of course access and rental books for hands-on reference practice.

Passing the trade exam and receiving license approval are separate parts of the licensing process. This product supports preparation for the Arizona Solar Plumbing, Liquid Systems Only Residential / Commercial Contractor (CR-78) exam. License approval is handled by the Arizona Registrar of Contractors and depends on the applicant’s complete file, qualifications, and compliance with state requirements.

State Requirements

The Arizona Registrar of Contractors regulates contractor licensing in Arizona. The CR-78 Solar Plumbing, Liquid Systems Only classification is associated with residential and commercial solar plumbing liquid systems work. Contractors pursuing this classification should be prepared to follow Arizona ROC licensing rules, complete the appropriate application materials, and comply with the requirements that apply to licensed contractors in the state.

The CR-78 scope focuses on solar liquid systems. This work may include solar water heating systems and solar pool heating systems that tie into conventional systems, along with related solar plumbing liquid system components within the limits of the classification. Contractors in this field should understand piping, collectors, pumps, valves, sensors, storage equipment, water movement, system controls, pressure, temperature, and safe installation practices.

Solar plumbing liquid systems require careful coordination between plumbing knowledge and solar system knowledge. Contractors should understand how liquid moves through the system, how heat is collected and transferred, how components are connected, and how system layout affects performance and serviceability. Preparation should also include jobsite safety, code awareness, and practical trade calculations.

Reference Books

Please allow up to 15 business days for book & course rental -exam room approved package orders

The following rental books are included with this Arizona Solar Plumbing, Liquid Systems Only Residential / Commercial Contractor (CR-78) Books & Course Rental package:

• Included Rental Book: Code of Federal Regulations - 29 CFR Part 1926 (OSHA)
  A construction safety reference covering OSHA standards related to jobsite safety, hazard awareness, ladders, scaffolds, tools, protective equipment, excavation, fall protection, and safe construction work practices.
• Included Rental Book: International Plumbing Code, 2018
  A plumbing code reference covering plumbing system requirements, piping, water supply, drainage concepts, materials, fixtures, water heaters, valves, and plumbing code organization.
• Included Rental Book: International Mechanical Code, 2018
  A mechanical code reference covering mechanical equipment, hydronic system concepts, ventilation, appliances, system installation requirements, piping-related mechanical provisions, and mechanical code navigation.
• Included Rental Book: Mathematics for Plumbers and Pipefitters, 8th Edition
  A trade math reference supporting plumbing and pipefitting calculations, offsets, slopes, measurements, formulas, conversions, and field problem-solving.
• Included Rental Book: IPT’s Pipe Trades Handbook, Robert A. Lee, 2016
  A pipe trades reference covering pipe materials, fittings, symbols, formulas, conversions, measurements, layout information, and practical pipe trade data.
• Included Rental Book: Solar Water and Pool Heating Design and Installation Manual
  A solar liquid systems reference covering solar water heating, solar pool heating, system components, design concepts, installation practices, collectors, piping, controls, pumps, valves, tanks, and performance considerations.

Please allow up to 15 business days for book & course rental -exam room approved package orders

Exam Room Approved Books

This Arizona Solar Plumbing, Liquid Systems Only Residential / Commercial Contractor (CR-78) package is built around the following exam-room-approved books:

• Code of Federal Regulations - 29 CFR Part 1926 (OSHA)
• International Plumbing Code, 2018
• International Mechanical Code, 2018
• Mathematics for Plumbers and Pipefitters, 8th Edition
• IPT’s Pipe Trades Handbook, Robert A. Lee, 2016
• Solar Water and Pool Heating Design and Installation Manual

Students should use these books throughout the study period, not only on exam day. The books are most useful when students understand which reference applies to each type of question. Safety questions may point to OSHA. Plumbing questions may point to the International Plumbing Code. Mechanical or hydronic questions may point to the International Mechanical Code. Calculation questions may require Mathematics for Plumbers and Pipefitters or IPT’s Pipe Trades Handbook. Solar water heating and pool heating questions may require the Solar Water and Pool Heating Design and Installation Manual.

Test Information and Study Materials

Preparation for the Arizona CR-78 Solar Plumbing, Liquid Systems Only exam should include both trade review and reference-navigation practice. Students should begin by becoming familiar with the reference list and understanding the role of each book. This helps reduce confusion during study and makes it easier to choose the correct reference when answering practice questions.

OSHA 29 CFR Part 1926 should be reviewed for construction safety topics. Solar plumbing liquid systems may involve roof access, ladders, tools, piping, equipment, lifting, electrical-adjacent work areas, excavation, pressure testing, and general construction hazards. Students should understand safety requirements and practical jobsite awareness as part of their preparation.

The International Plumbing Code, 2018 should be reviewed for plumbing system concepts, water supply requirements, piping materials, fixtures, water heaters, valves, and plumbing code organization. Even when the trade focus is solar liquid systems, plumbing code knowledge helps students understand how system components connect to water systems and how code language is structured.

The International Mechanical Code, 2018 supports preparation for mechanical and hydronic system concepts. Solar liquid systems often involve circulating fluids, pumps, tanks, heat transfer, controls, and temperature management. Students should become comfortable navigating mechanical code topics that connect with liquid systems and heating equipment.

Mathematics for Plumbers and Pipefitters and IPT’s Pipe Trades Handbook should be used for calculation and field-reference preparation. Students may need to work with measurements, pipe sizes, offsets, formulas, conversions, slopes, fittings, layout information, and practical pipe trade data. Regular practice with calculations helps students avoid losing time on questions that require math or reference tables.

The Solar Water and Pool Heating Design and Installation Manual is a key trade reference for this package. Students should study solar collectors, pumps, piping, storage tanks, valves, sensors, controllers, heat transfer, system sizing concepts, installation methods, maintenance considerations, and solar pool heating applications. This reference supports the solar-specific knowledge that separates CR-78 preparation from general plumbing preparation.

How 1 Exam Prep Helps You Reach Your Goal

1 Exam Prep helps students prepare for the Arizona Solar Plumbing, Liquid Systems Only Residential / Commercial Contractor (CR-78) exam with organized study guidance, trade-focused review, practice-oriented preparation, and reference navigation support. This package is designed to help students move through the reference materials with a clear study structure instead of trying to prepare without direction.

The course access supports preparation by organizing study around the topics that matter for solar plumbing liquid systems. Students can focus on solar water heating, solar pool heating, plumbing code, mechanical code, OSHA safety, pipe trade calculations, pumps, valves, tanks, collectors, controls, and practical installation concepts. The rental books allow students to practice with the materials throughout the study period, which is especially important for an open-book exam.

Reference navigation is one of the most important skills for contractor exam preparation. 1 Exam Prep encourages students to learn tables of contents, indexes, diagrams, definitions, formulas, and chapter headings. This helps students locate information more efficiently and recognize which book applies to each question. For CR-78 preparation, that skill matters because questions may involve safety, plumbing code, mechanical systems, pipe trade math, and solar water or pool heating design.

This package also supports confidence-building through consistent study habits. Students can review solar plumbing concepts, practice locating information, and develop a repeatable approach for exam questions. While no course can guarantee a passing score or licensing approval, a structured study plan can help students prepare more effectively and approach the exam with greater confidence.

FAQ Section

What is included in this Arizona CR-78 books and course rental package?

This package includes the listed rental reference books for the Arizona Solar Plumbing, Liquid Systems Only Residential / Commercial Contractor (CR-78) exam preparation path and 6 months of course access.

How much does this CR-78 rental package cost?

The rental price is $840 plus a $150 refundable deposit, for a total of $990

Is the Arizona CR-78 Solar Plumbing, Liquid Systems Only exam open book?

Yes. The Arizona Solar Plumbing, Liquid Systems Only Residential / Commercial Contractor (CR-78) exam is an open-book test. Students should prepare by learning how to use the approved references quickly and accurately.

How long do I get course access?

This books and course rental package includes 6 months of course access.

What topics should I study for the CR-78 exam?

Students should study OSHA safety, plumbing code, mechanical code, solar water heating, solar pool heating, pumps, valves, collectors, storage tanks, controls, piping, pipe trade math, and field reference information.

What work is connected to the CR-78 classification?

The CR-78 classification is connected to residential and commercial solar plumbing liquid systems, including solar water heating and solar pool heating systems within the limits of the classification.

Why should I study with the books before the exam?

Open-book exams require fast reference navigation. Studying with the books before the exam helps students learn where information is located, which reference applies to each topic, and how to move through the materials more efficiently.

Does this package guarantee that I will pass?

No. This package provides rental books, course access, study organization, and preparation support, but results depend on each student’s study time, trade knowledge, reference-navigation skills, and test-day performance.

Who is this package designed for?

This package is designed for contractors, qualifying parties, solar plumbing professionals, solar water heating installers, solar pool heating professionals, and trade professionals preparing for the Arizona Solar Plumbing, Liquid Systems Only Residential / Commercial Contractor (CR-78) exam who want rental books and structured course access in one package.