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Professor Alvin
Your AI plumbing professor
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Learning modules

Short, visual lessons aligned to the TSBPE exam blueprint and the codes adopted in Texas.

Terms & Definitions
Trap weir, trap arm, vent stack, building drain, potable water, appurtenance, and more.
65% · 24 lessons
Plumbing Codes & Law
IPC, UPC, IFGC, IRC, the Texas Plumbing License Law, and TSBPE rules.
40% · 32 lessons
Fuel Gas (IFGC)
Shutoff valves, sediment traps, CSST bonding, approved test media, pressure testing.
28% · 18 lessons
Fixtures & Clearances
Water closet spacing, shower dimensions, public lavatory temperature limits, thermostatic mixing valves, flushometers.
80% · 22 lessons
Traps & Trap Arms
Trap seal depth, trap weir, trap arm slope and length, prohibited double trapping.
55% · 14 lessons
Venting Systems
Vent stack, stack vent, wet vent, circuit vent, yoke vent, combination waste and vent.
47% · 20 lessons
Backflow & Indirect Waste
Air gap, AVB, PVB, DCVA, RPZ, hose-bibb vacuum breakers, back-siphonage, back-pressure, indirect waste receptors, grease interceptors.
62% · 16 lessons
Master Plumber & RMP
Responsible Master Plumber duties, $300,000 CGL insurance, business and code law.
12% · 28 lessons
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Professor Alvin is an independent educational platform owned, operated, and developed solely by Alvin West (CEO, CFO, Administrative Planner & Sole Proprietor). Provided for educational and exam-preparation purposes only. It is not affiliated with or endorsed by the Texas State Board of Plumbing Examiners (TSBPE) and is not a substitute for the adopted IPC, UPC, IFGC, or IRC, the Texas Plumbing License Law (Tex. Occ. Code Ch. 1301), TSBPE administrative rules (22 TAC Ch. 361–367), local AHJ enforcement, or professional instruction. Always confirm code-specific answers with your local Authority Having Jurisdiction.

© 2026 Alvin West. All rights reserved.

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