Nevada Solar Pool Heating Contractor (C-37D) Exam Book Package

Prepare for the Nevada Solar Pool Heating Contractor (C-37D) examination with an exam book package built around the code reference and technical study materials used for solar pool heating preparation. This package includes the Uniform Plumbing Code, 2018, Code of Federal Regulations - 29 CFR Part 1926 (OSHA), and the Solar Water and Pool Heating Design and Installation Manual.

The Nevada C-37D Solar Pool Heating Contractor examination is an open-book test. The Uniform Plumbing Code, 2018 is the exam-room-approved reference included in this package. The OSHA construction safety reference and the Solar Water and Pool Heating Design and Installation Manual are included for study but are not allowed into the trade examination room.

The Nevada C-37D examination contains 45 questions, allows 1.5 hours for completion, and requires 32 correct answers to pass. The examination covers Piping, System Design, Pumps and Storage Systems, Collectors, System Valves and Controls, and Safety.

The Nevada C-37D Solar Pool Heating subclassification covers the installation of collectors, piping, and heat exchangers used to heat swimming pools and spas with solar energy. The classification does not include the plumbing of swimming pools or the installation of their equipment.

Solar pool heating requires candidates to understand how solar energy is collected and transferred into pool or spa water through properly designed piping and heat-transfer systems. Preparation should include collector arrangements, circulation, piping, pumps, heat exchangers, valves, controls, system design, and construction safety.

The Uniform Plumbing Code supports open-book preparation for piping and related plumbing requirements. The Solar Water and Pool Heating Design and Installation Manual supports practical solar thermal system knowledge, while OSHA 29 CFR Part 1926 supports safety preparation for the jobsite-related portion of the examination.

This Nevada C-37D exam book package brings together the exam-room reference and the study-only materials needed to organize preparation across the major subject areas of the Solar Pool Heating Contractor examination.

What You Get

• Uniform Plumbing Code, 2018 — exam-room-approved reference supporting piping, materials, fittings, supports, valves, connections, and related plumbing requirements.
• Code of Federal Regulations - 29 CFR Part 1926 (OSHA) — study reference supporting construction safety, fall protection, ladders, personal protective equipment, tools, electrical hazards, and jobsite practices.
• Solar Water and Pool Heating Design and Installation Manual — study reference supporting solar pool heating system design, collectors, piping, pumps, heat exchangers, valves, controls, circulation, and installation practices.

Exam Details

The Nevada C-37D Solar Pool Heating Contractor examination contains 45 questions. Candidates are allowed 1.5 hours to complete the examination and must answer 32 questions correctly to pass.

The examination content is divided into the following subject areas:

• Piping: 10 questions
• System Design: 15 questions
• Pumps and Storage Systems: 5 questions
• Collectors: 7 questions
• System Valves and Controls: 3 questions
• Safety: 5 questions

System Design is the largest category with 15 questions. Candidates should spend substantial study time understanding how collectors, piping, circulation, heat exchangers, pumps, valves, and controls work together as a complete solar pool heating system.

Piping represents 10 questions and is one of the most important areas for Uniform Plumbing Code preparation. Candidates should be comfortable with pipe materials, fittings, supports, routing, connections, joining methods, valves, and other plumbing-related requirements.

Collectors accounts for 7 questions. Candidates should understand how solar collectors capture thermal energy, how water or another heat-transfer medium moves through the collector system, and how collector layout affects performance.

Pumps and Storage Systems and Safety each account for 5 questions, while System Valves and Controls represents 3 questions.

With 45 questions in 1.5 hours, candidates have approximately two minutes per question on average. Efficient reference navigation and strong retained trade knowledge are both important.

Open Book Test

The Nevada C-37D Solar Pool Heating Contractor examination is an open-book test.

The reference included in this package that is allowed into the trade examination is:

• Uniform Plumbing Code, 2018

The following references are included for study but are not allowed into the trade examination room:

• Code of Federal Regulations - 29 CFR Part 1926 (OSHA)
• Solar Water and Pool Heating Design and Installation Manual

The Uniform Plumbing Code should be used regularly throughout preparation. Candidates should become familiar with the table of contents, index, definitions, chapter organization, tables, exceptions, and cross-references.

Open-book testing is most effective when candidates already know how to locate information quickly. Searching the entire code for every question can consume too much time, especially with an average of about two minutes available per question.

For questions involving piping materials, fittings, supports, connections, or valves, identify the subject first and then navigate to the most likely UPC provision.

Questions involving system design, collectors, pumps, heat exchangers, controls, and safety may rely more heavily on retained trade knowledge. The Uniform Plumbing Code should therefore be used as a targeted reference rather than a replacement for broader solar thermal preparation.

Licensing Steps

1. Confirm the C-37D classification. Make sure Solar Pool Heating matches the type of contracting work the business intends to perform.
2. Identify the qualifying individual. The contractor application must identify the person responsible for satisfying the applicable qualification requirements.
3. Prepare qualifying experience information. Organize the work-history documentation applicable to the C-37D classification.
4. Submit the Nevada contractor license application. Complete the applicable application and supporting documentation.
5. Receive examination eligibility. After applicable qualification and application requirements are addressed, proceed with required testing.
6. Prepare for the C-37D trade examination. Study piping, system design, pumps and storage systems, collectors, system valves and controls, and safety.
7. Practice Uniform Plumbing Code navigation. Use the 2018 UPC regularly so code lookups become faster and more familiar.
8. Prepare for Nevada contractor business requirements. Complete the applicable contractor business and law preparation required for licensing.
9. Complete required examinations. Take the applicable trade and business examinations.
10. Complete remaining licensing requirements. Finish the other applicable requirements associated with contractor license issuance.

State Requirements

Nevada identifies C-37D as the Heating of Pools subclassification of the broader C-37 Solar Contractor classification.

The C-37D scope covers the installation of collectors, piping, and heat exchangers used to heat swimming pools and spas with solar energy.

The classification does not authorize the plumbing of swimming pools or the installation of pool equipment. Candidates should therefore understand the limits of the classification and focus preparation on the solar heating portion of the system.

Typical C-37D work can involve solar collectors, circulation piping, heat exchangers, valves, controls, and related components used to transfer solar energy into pool or spa water.

Understanding how these components work together is important because the examination tests complete system concepts rather than isolated parts. The outline combines System Design, Piping, Collectors, Pumps and Storage Systems, System Valves and Controls, and Safety.

The C-37D trade examination is one part of Nevada contractor licensing. Applicants must also satisfy applicable qualification, application, business, financial, and other licensing requirements before a contractor license is issued.

Reference Books

• Uniform Plumbing Code, 2018
  This exam-room-approved reference supports preparation involving piping systems, pipe materials, fittings, supports, valves, connections, and related plumbing requirements applicable to solar pool heating installations.
• Code of Federal Regulations - 29 CFR Part 1926 (OSHA)
  This study-only reference supports preparation involving construction safety, fall protection, ladders, personal protective equipment, tools, material handling, electrical hazards, and other jobsite safety topics.
• Solar Water and Pool Heating Design and Installation Manual
  This study-only reference supports preparation involving solar pool heating design, collector layouts, piping, circulation, pumps, heat exchangers, valves, controls, heat transfer, and installation practices.

Exam Room Approved Books

• Uniform Plumbing Code, 2018
  This is the exam-room-approved reference included in the Nevada Solar Pool Heating Contractor (C-37D) Exam Book Package. Candidates should practice locating piping, material, fitting, support, valve, connection, and related plumbing provisions efficiently.

Test Information and Study Materials

A strong Nevada C-37D preparation plan should begin with System Design because it represents 15 of the 45 examination questions.

Candidates should understand how solar collectors, piping, pumps, heat exchangers, valves, controls, and pool or spa circulation relationships work together as a complete heating system.

Follow the path of heat through the system. Understand how solar energy is absorbed by the collectors, transferred into the circulating medium, moved through piping, and ultimately delivered to the swimming pool or spa.

Piping represents 10 questions and should receive significant study attention. Review pipe materials, fittings, joining methods, supports, routing, insulation, valves, and connections.

The Uniform Plumbing Code, 2018 should be used regularly during preparation. Practice locating requirements by topic rather than relying on remembered page numbers.

For example, choose a question involving pipe material, identify the key term, use the index, and locate the appropriate UPC section. Repeat the same process with fittings, supports, valves, and connections.

Definitions can be important because technical plumbing terms may have specific code meanings. Understanding those definitions can help determine which provision applies.

Tables should receive regular attention. Important requirements involving materials, supports, sizing, or installation conditions may appear in table form.

Exceptions can modify a general requirement. Candidates should read the surrounding code language carefully before choosing an answer.

Cross-references can direct the reader to another section containing additional requirements. Practice following them instead of assuming the first section contains the complete answer.

Collectors accounts for 7 questions. Candidates should understand collector purpose, installation concepts, flow relationships, mounting, orientation, and how collector arrays connect to the piping system.

Review how collector configuration can affect circulation and how solar energy is transferred from the collector surface into the working fluid.

Pumps and Storage Systems accounts for 5 questions. In pool heating applications, candidates should understand pump relationships, circulation, flow, and the movement of heated water through the system.

Review how proper circulation affects the ability of the collectors and heat exchanger to transfer energy efficiently.

System Valves and Controls accounts for 3 questions. Review shutoff valves, check valves, balancing devices, bypass arrangements, temperature controls, differential controls, and other components that regulate operation.

Safety accounts for 5 questions. Use OSHA 29 CFR Part 1926 to prepare for hazards associated with roof access, ladders, elevated work, tools, electrical components, material handling, personal protective equipment, and other construction activities.

Because OSHA is not allowed into the examination room, candidates should build retained safety knowledge during preparation.

The Solar Water and Pool Heating Design and Installation Manual is especially useful for connecting multiple exam topics. Use it to study collector layouts, circulation, piping configurations, heat exchangers, valves, controls, and overall solar pool heating design.

Because this manual is not allowed into the examination room, active recall can help strengthen retention. Review a system diagram, close the manual, and explain the flow path and purpose of each major component from memory.

Heat transfer is central to solar pool heating. Candidates should understand how solar radiation is converted into thermal energy at the collector and how that heat is then transferred to pool or spa water.

System flow should also receive attention. Proper circulation through collectors and heat exchangers affects system performance, making flow relationships an important practical concept.

Heat exchangers are specifically part of the C-37D scope. Candidates should understand their purpose and how they allow thermal energy to move between different fluid circuits when used in a system.

Freeze protection can be relevant because collectors and piping may be exposed to outdoor temperatures. Candidates should understand general methods used to protect solar thermal components from damaging environmental conditions.

Insulation is important because unwanted heat loss can reduce system performance. Candidates should understand why solar thermal piping is insulated and how outdoor exposure can affect insulation considerations.

Thermal expansion should also be considered in piping systems exposed to elevated temperatures. Materials, supports, and layout can affect how movement is accommodated.

A useful study schedule should follow the examination outline. Spend the largest blocks of time on System Design and Piping, followed by Collectors, Pumps and Storage Systems, Safety, and System Valves and Controls.

Once individual topics become familiar, move into mixed-question practice. The actual examination can shift quickly from a piping requirement to a system-design question, collector concept, pump issue, control question, or safety topic.

Timed UPC lookup drills can improve open-book performance. Select a plumbing topic and practice locating the applicable section within a limited amount of time.

Do not expect the Uniform Plumbing Code to answer every question. The code is most useful for targeted plumbing requirements, while many technical questions depend on retained solar pool heating knowledge.

When a practice question is missed, identify the reason. The problem may involve weak trade knowledge, unfamiliar terminology, slow code navigation, or difficulty understanding how system components interact.

Correcting the underlying weakness is more valuable than memorizing a single answer. This approach builds stronger preparation for unfamiliar questions on test day.

Time management should also be part of preparation. Answer familiar questions efficiently, use the UPC for targeted lookups, mark difficult questions, and return to them after completing items that can be answered more quickly.

How 1 Exam Prep Helps You Reach Your Goal

1 Exam Prep supports Nevada C-37D Solar Pool Heating Contractor candidates through organized study guidance, trade-focused review, practice-oriented preparation, reference navigation when applicable, and confidence-building study structure.

This exam book package combines the exam-room-approved Uniform Plumbing Code, 2018 with the Code of Federal Regulations - 29 CFR Part 1926 (OSHA) and the Solar Water and Pool Heating Design and Installation Manual.

Reference-navigation practice can help candidates become more comfortable locating piping, materials, fittings, supports, valves, connections, definitions, tables, exceptions, and related requirements in the UPC.

Trade-focused preparation supports stronger understanding of collectors, piping, pumps, heat exchangers, valves, controls, circulation, heat-transfer principles, and complete solar pool heating systems.

Practice-oriented study can help candidates identify whether missed questions result from weak system-design knowledge, confusion about collector arrangements, slow UPC navigation, limited circulation knowledge, or safety weaknesses.

The goal is to help candidates approach the Nevada C-37D Solar Pool Heating Contractor examination with stronger solar thermal knowledge, better Uniform Plumbing Code familiarity, improved reference-navigation skills, and a structured study routine without guaranteeing a passing score or licensing approval.

How many questions are on the Nevada C-37D Solar Pool Heating Contractor exam?

The Nevada C-37D examination contains 45 questions.

How much time is allowed for the C-37D examination?

Candidates are allowed 1.5 hours to complete the examination.

How many correct answers are required to pass?

Candidates must answer 32 questions correctly to pass the Nevada C-37D examination.

Is the Nevada C-37D Solar Pool Heating examination open book?

Yes. The Nevada C-37D examination is an open-book test.

Which book is allowed into the Nevada C-37D exam?

The Uniform Plumbing Code, 2018 is the exam-room-approved reference included in this package.

Is OSHA 29 CFR Part 1926 allowed into the exam?

No. OSHA 29 CFR Part 1926 is included for study but is not allowed into the trade examination room.

Is the Solar Water and Pool Heating Design and Installation Manual allowed into the exam?

No. The Solar Water and Pool Heating Design and Installation Manual is included for study but is not allowed into the trade examination room.

What is the largest subject on the C-37D exam?

System Design is the largest examination category with 15 questions.

How many piping questions are on the C-37D exam?

Piping accounts for 10 questions.

How many collector questions are on the C-37D exam?

Collectors accounts for 7 questions.

Does the C-37D examination cover pumps and storage systems?

Yes. Pumps and Storage Systems accounts for 5 questions.

Does the examination cover system valves and controls?

Yes. System Valves and Controls accounts for 3 questions.

Does the C-37D examination include safety?

Yes. Safety accounts for 5 questions.

What work does the Nevada C-37D classification cover?

The C-37D classification covers installation of collectors, piping, and heat exchangers used to heat swimming pools and spas with solar energy.

Does the C-37D classification include plumbing swimming pools?

No. The C-37D scope does not include plumbing swimming pools or installing their equipment.

Should I practice using the Uniform Plumbing Code before test day?

Yes. Regular navigation practice can help candidates locate piping, materials, fittings, supports, valves, and related plumbing provisions more efficiently during the open-book examination.

Does this package guarantee that I will pass the Nevada C-37D exam?

No. This package provides exam and study references designed to support organized preparation. Examination results depend on each candidate's experience, solar pool heating knowledge, study, code-navigation skills, and performance on test day.