Get the approved code book you need to prepare for the Idaho Plumbing Specialty Appliance Journeyman exam in one focused, exam-aligned package. This option is built for candidates who want to study the way the test is actually taken: open book, code-driven, and time-limited.
This book package includes the Uniform Plumbing Code (UPC), 2015, which Idaho’s official plumbing exam bulletin lists as an approved reference option for the Plumbing Journeyman and Specialty Journeyman exams. If you’ve chosen the UPC route (instead of the Idaho State Plumbing Code option), this package gives you the correct reference so you can begin building the most important open-book skill: fast, accurate code navigation.
Specialty journeyman testing is different from general journeyman testing because it is focused on specialty scope. Idaho’s Plumbing Specialty Journeyman application instructions identify an Appliance Specialty scope of work that is limited to specific tasks and settings. That makes exam preparation less about memorizing random facts and more about learning how to locate the right requirement, confirm details quickly, and answer based on what the code and Idaho rules require.
Open-book exams reward a repeatable process. With the right code book in hand, you can practice the same way you’ll perform on exam day:
This package is for candidates who want to build that process with the correct approved reference from the start.
Idaho’s Plumbing Exams Information Bulletin lists exam time limits, fees, passing score requirements, and approved references. For the Plumbing Specialty Journeyman Exam (Appliance/Water Pump), the bulletin lists the following:
The bulletin also notes that there are limited seats for each test session and that late arrival can result in being turned away and forfeiting the exam fee. Because scheduling availability and study time often collide, having your approved code book early can make your prep timeline much smoother.
Idaho’s plumbing exam bulletin states that plumbing license exams are open book. Open-book testing is an advantage only if your reference is prepared and familiar. The bulletin allows candidates to:
But the bulletin is equally clear about limitations: loose paper in your reference material is not allowed. It also states that no other materials will be allowed, including other versions of code books such as commentaries, illustrated versions, and handbooks.
What that means for your study plan: your organization system must be built into the code book itself through compliant highlighting, a clean tab system, and repeated practice using the same setup you’ll bring to the exam. If you study with extra sheets and removable note pages, you can feel “lost” on exam day when those tools are not permitted.
How to use open-book rules to your advantage:
Idaho’s Plumbing Exams Information Bulletin describes an application-first process for testing: prior to scheduling a test, you must submit an application and application fee, and once you receive approval to test, you schedule and pay for the exam. Idaho’s Plumbing Specialty Journeyman Application Instructions also explain that candidates must earn a passing examination score prior to the issuance of a license.
While individual requirements can vary by pathway and specialty, a practical sequence many candidates follow looks like this:
This book package supports the part you control every day: consistent reference-based practice with the correct approved code book.
Idaho’s Plumbing Specialty Journeyman Application Instructions outline pathways and scope information for specialty licensure. The application instructions state that both pathways require a passing examination score prior to the issuance of a license.
Pathways and work/training requirements (Appliance Specialty): The application instructions describe an apprenticeship school pathway for Appliance Specialty that includes 72 hours of board-approved specialty-related training classes and a work verification showing 3,000 hours of supervised specialty plumbing installation work, completed while holding an active Idaho Plumbing Specialty Apprentice registration. The application instructions also describe a work experience pathway that includes a work verification showing 6,000 hours of supervised specialty plumbing installation work for Appliance Specialty (also completed while holding an active Idaho Plumbing Specialty Apprentice registration).
Permitted scope of work (Appliance Specialty): The Specialty Journeyman application instructions describe Appliance Specialty work as being permitted in one-family and two-family residences only to disconnect, cap, remove, and reinstall within sixty (60) inches of the original location for specific items including water heating appliances, water treating/filtering devices, air or space temperature modifying equipment involving potable water, humidifiers, temperature and pressure relief valves, condensate drains, and indirect drains. The instructions also state this specialty scope does not include installation, testing, or certifying of backflow prevention devices, and does not include any modification to drain, waste, or vent systems. The instructions further state the specialty must comply with Idaho plumbing laws and rules and the requirements of the Uniform Plumbing Code.
Exam and reference rules: Idaho’s plumbing exam bulletin lists the Specialty Journeyman exam time limit as 2.5 hours, the exam fee as $75 (non-refundable), the passing score requirement as 75%, and the approved reference options for Journeyman and Specialty Journeyman exams as 2017 Idaho State Plumbing Code OR 2015 Uniform Plumbing Code (UPC). This package is the 2015 UPC option.
Your success on an open-book code exam is tied to your ability to locate the right section fast and confirm details accurately. The UPC is not meant to be memorized cover-to-cover. It’s meant to be used efficiently. Here are practical ways to study with the 2015 UPC while staying aligned to Idaho’s exam rules:
A simple prep rhythm that works for many specialty candidates:
The goal is to make the UPC feel familiar and manageable—so exam day is less about searching and more about confirming and answering.
1 Exam Prep helps specialty candidates prepare with structure and a practical, reference-driven strategy. Instead of studying randomly or trying to “read the code” without direction, 1 Exam Prep supports a more organized approach built around open-book performance: recognizing what a question is testing, locating the relevant UPC section efficiently, confirming details accurately, and maintaining a steady pace under a timer.
Because Idaho’s specialty journeyman testing is open book and time-limited, 1 Exam Prep emphasizes practice-oriented preparation—helping you build a repeatable routine and stronger navigation habits so you can prepare more efficiently and walk into the exam with more confidence. This is realistic support designed to help you study smarter, not to guarantee outcomes.
This package includes the Uniform Plumbing Code (UPC), 2015.
Yes. Idaho’s plumbing exam bulletin states plumbing license exams are open book and candidates must bring approved references.
Idaho’s Plumbing Exams Information Bulletin lists the Plumbing Specialty Journeyman exam (Appliance/Water Pump) as a 2.5-hour exam.
The plumbing exam bulletin lists the minimum passing score for Plumbing Specialty Journeyman as 75%.
Yes. The bulletin states you may highlight your book, tab different sections, and leave notes in your reference material; however, loose paper is not allowed in your reference materials.
No. Idaho’s plumbing exam bulletin states no other materials will be allowed, including other versions such as commentaries, illustrated versions, and handbooks.
No. The plumbing exam bulletin states candidates must bring their own approved reference materials to the testing site.
Yes. Idaho’s plumbing exam bulletin lists approved references for Journeyman and Specialty Journeyman exams as 2017 Idaho State Plumbing Code OR 2015 Uniform Plumbing Code (UPC). This package is for the 2015 UPC option.
No. This is a book package for the approved code reference. Exam fees and any application fees are paid separately to the State of Idaho.