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For the ICC residential plumbing inspector exam and the job after it. Underground, rough-in and final, always in the same order. Each topic on its own page: the drawing, the code value and its IRC section. 66 illustrated pages.
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Every page has one big drawing and a box with the code values and the IRC section you need to know:








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These are real pages from the book. The table of contents is the full one: 8 parts and 62 topics.
You're standing over a rough-in with a tape on a 3-inch drain, and the plumber is waiting for your call. Is 1/8 inch per foot enough, or do you write it up?
You've pitched pipe for years. But in the code book, slope is one table among hundreds, and under pressure you can't recall which one or where it is.

In this book, drain slope is one page: three pipes drawn side by side, each with its fall per foot in a box. 1/4 in. up to 2-1/2 in., 1/8 in. for 3 to 6 in., 1/16 in. from 8 in., with IRC P3005.3 right next to it.
Trap seals, trap arm length, cleanout spacing, the T&P valve and the underground water test work the same way: one topic, one page, one drawing.
You look at the drawing and you know the number and where it sits in the code. You make the call on site without going back to the book.

How the inspection works, underground, drain lines, traps and venting, fixture-unit sizing, water supply and backflow, water heaters and the final, and review with exam practice: 66 pages, all illustrated.
Think of it this way:
You're on a final, the water heater sits in the garage, and you have to check the relief valve before you sign off. What's the rating, and where does that sensor have to be?
You open the T&P page and see the tank drawn with the valve on top: 150 psi max, opens at 210°F or less, sensor in the top 6 inches, and the discharge pipe traced all the way down.

Same with drain slope, trap seals, fixture units, pressure limits and the underground water test: each one has its own page.
Plumbing Inspector Illustrated is 8 parts and 62 topics, all drawn, with a checklist for each visit and exam practice at the end.
What you see drawn, you don't have to memorize.
Know what to check at each visit and find any value fast: the three visits and their order, where plumbing lives in the IRC, editions and local amendments, reading a code table, pass vs. correction vs. red tag, and the open-book exam.
Trench, bedding and backfill, building sewer vs. building drain, going through the foundation, shared trenches, water service size and material, fittings, cleanouts and the underground water test.
Drain slope by pipe size, why too much slope fails, fitting direction, no reducing downstream, cleanout spacing and clearance, pipe support spacing, drilling, notching and nail plates.
Trap seal, traps you never approve, trap size, trap arm length, why every trap needs a vent, dry vents, vent sizing, wet and common vents, AAVs and roof terminals.
What a drainage fixture unit means, the bathroom group, sizing a horizontal branch and the building drain, minimum sizes, water supply fixture units and a worked water service.
Pressure limits, shutoff valves, PEX, CPVC and copper, water hammer arrestors, hot on the left, cross-connections, air gaps and backflow devices, indirect waste and dishwasher drains.
T&P relief valve and discharge pipe, drain pan and location, expansion tanks, shower and tub valves, shower size and clearances, setting fixtures and the tests at the final.
Checklists for the underground, rough-in and final, the numbers to have at hand, the most frequent rough-in mistakes, exam strategy with the code book and arguing a correction by the code.
At the end of the book: Inside the book: a one-page checklist for each inspection visit, the numbers to have at hand and exam strategy with the code book.

Practice with exam-style questions and see why each answer is right, with the page of the book where the topic is drawn.

See the violations that come up most often on residential jobs, drawn wrong and then drawn right, so you spot them at a glance.
📄 This is a digital PDF book sent to your email: nothing is printed or shipped.
PDF by email: We email you Plumbing Inspector Illustrated as a PDF, together with the two free books. It's a single payment: no installments, no extra charges.
You already know the work. Each page shows the IRC value behind what you've done for years, and where to find it.
You review the three inspections in the same order and know which table to open before the clock starts.
Print the pages and the one-page checklist for each visit inside the book, keep them in the truck, and back every correction with its section number.
📄 This is a digital PDF book sent to your email: nothing is printed or shipped.
Try Plumbing Inspector Illustrated for 30 days, bonus books included.
We refund everything if the file won't open, if the book isn't what you see here, if you were charged twice or if the email doesn't arrive. Just email us.
You pay once. No subscriptions.
Yes. It's not a beginner book: it doesn't teach you to install pipe, it shows the IRC value behind what you already do and where it is in the code.
From the 2024 International Residential Code, Part VII Plumbing (Chapters 25–33), and the ICC P1 Residential Plumbing Inspector exam outline. If your state or city uses the Uniform Plumbing Code (UPC) or its own plumbing code, many values are different, so check which code your exam uses before you buy. Always confirm the edition and local amendments your jurisdiction adopted.
No. It's an independent study guide, not affiliated with the ICC or any exam body or jurisdiction. It doesn't give you a certification or CEU credits: the certification comes only from passing the ICC exam.
No. The exam is open book, so you still bring the code book your jurisdiction adopted. This book is for finding things fast: each topic drawn, with its IRC section on the page, so you know which table to open before you start flipping.
No. They're written for this book in exam style, with the answer explained and the page where the topic is drawn.
The book and the 2 free books arrive as PDFs by email, at the address you enter at checkout.
No. It's a one-time payment.
Yes. It's a PDF you can print, whole or page by page, and keep in the truck.
You have 30 days. We refund everything if the file won't open, if the book isn't what you see on this page, if you were charged twice or if the email doesn't arrive: just email us.
No more rereading the code book with nothing sticking.
Drain slope, trap seals and the T&P valve: you see them drawn and you're set.
You walk into the exam knowing where everything is.
Drawings make studying faster.
The book is right below.
One-time payment: US$ 27 · Guarantee: 30 days · PDF by email
YES, I WANT PLUMBING INSPECTOR ILLUSTRATED FOR US$ 27📄 This is a digital PDF book sent to your email: nothing is printed or shipped.