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Built on Texas TCEQ rules. Pressure, head-to-head coverage, precipitation rate, backflow devices, valve wiring and the dead-zone check: each one drawn on its own page, with the numbers you need in a box beside it. 63 illustrated pages.
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Every page has one big drawing and a box with the numbers and rules 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 59 topics.
You're standing on a front lawn with a new zone flagged out, and the exam question is in your head: how far apart do these heads go?
Your hands know it: the water from one head reaches the next. But the manual spends three paragraphs on radius, published performance data and percentages, and by the second paragraph the picture is gone.
In the book, head-to-head coverage is one page: each head's spray drawn reaching the next head, spacing set by the published radius at real operating pressure, and the Texas rule (30 TAC §344.62) in a box right beside it.
Static vs dynamic pressure, friction loss, precipitation rate, the backflow devices and the dead-zone check with a multimeter: each one has its own page too.
You see it, you get it, and you lay out the zone without going back to the manual.
The path of the water, pipe and pressure, heads and coverage, precipitation and run time, backflow and code, valves and wiring, troubleshooting and the exam review: 63 pages, all illustrated.
Think of it this way:
It's the night before the exam, or a Tuesday on a job, and you need the precipitation rate of a zone: how many inches per hour is this zone putting down?
You open the book to that page and see the zone drawn, each head with its GPM, the area in square feet, and the 96.25 formula worked out with real numbers right next to it.
Same with static vs dynamic pressure, friction loss, head-to-head spacing, the four backflow devices and the dead-zone check: each one on its own page.
Irrigation Technician Illustrated is 8 parts and 59 topics, all drawn, and it ends with every formula on one page, the backflow devices side by side and a last review before the exam.
What you see drawn, you don't have to memorize.
The whole system on one page, the point of connection, mainline vs lateral, what a zone is, spray, rotor and drip, controller, valves and sensors, and licenses and roles in Texas.
Pressure you can actually picture: static vs dynamic, feet of head and PSI, GPM, friction loss with a worked example, the 5 ft/s rule, PVC and poly pipe, trench depth and calling 811.
Head-to-head coverage, square vs triangular spacing, spray nozzles, rotors and matched precipitation, operating pressure by head type, check valves, narrow areas and drip layout.
What precipitation rate means, the 96.25 constant, PR for a whole zone and for square and triangular spacing, run time, cycle and soak, and the catch-cup audit.
Pick the right backflow device and explain why: backpressure vs backsiphonage, AVB, PVB, double check and RPZ side by side, and the Texas code must-haves on every job.
Inside a solenoid valve, manual bleed and flow control, station and common wire, wire size and splices, controller programs, rain and freeze sensors, master valve and pump start.
Meet the multimeter, the dead zone in 3 steps, a valve that won't shut off, a bad common wire, and low pressure with poor coverage.
Every formula on one page, backflow devices side by side, spring startup and winterization in order, the most frequent install mistakes and a last review.
At the end of the book: Every formula on one page, the four backflow devices side by side and a last review before the exam.
Test yourself on coverage, precipitation math, pressure, wiring and backflow, and see why each answer is right before exam day.
See each mistake drawn next to the right way to do it (mixed heads on one zone, missing head-to-head coverage, bad splices) so you spot them on the job and on the test.
📄 This is a digital PDF book sent to your email: nothing is printed or shipped.
PDF by email: We email you Irrigation Technician Illustrated as a PDF, together with the two free books. It's a single payment: no installments, no extra charges.
You follow the water from the point of connection to the last head, one page per stop, so every part sits where it belongs in the system.
Formulas, pressure, backflow devices and wiring are each on one page, ready to review at a glance the week before.
You finally see the why behind what you do by hand, and you print the troubleshooting pages for the truck.
📄 This is a digital PDF book sent to your email: nothing is printed or shipped.
Try Irrigation Technician 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 built for people who already do the work and want the why behind it: pressure, coverage, the math with worked examples, backflow and wiring. It's not beginner theory.
From Texas rules: the TCEQ landscape irrigation rules (30 TAC Chapter 344) and Texas Occupations Code Chapter 1903, cross-checked with the Irrigation Association's technician exam content areas. Hydraulics, coverage, backflow and wiring work the same in every state; the code values are Texas values. If you test in another state, check them against your state's code.
No. It's an independent illustrated study book. It isn't issued or endorsed by the TCEQ, the Irrigation Association or any state licensing board.
No. If your state requires an approved course or field experience, you still need it. The book doesn't give you a license, a certificate or CE hours: it helps you understand and review what you study there.
No. They're written for this book, in the style of the exam topics, to test yourself. They're not official exam questions.
The book and the 2 bonus books arrive as a PDF by email, at the address you enter at checkout.
No. It's a one-time payment. No subscription.
It's a PDF, not a shipped book. It prints on regular letter-size paper, so you can keep a copy in the truck, and it reads on your phone too.
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 same chapter with nothing sticking.
Head-to-head spacing: you see it drawn, and that's it.
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 IRRIGATION TECHNICIAN ILLUSTRATED FOR US$ 27📄 This is a digital PDF book sent to your email: nothing is printed or shipped.
