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Programs: High School | Adult Skilled Trades | Industry Professional Development

Plumbing III

Plumbing III is an advanced plumber training program providing students with a comprehensive understanding of the various components and techniques required for high-level commercial plumbing systems.

Note: Registration for this course is now closed. You can join the mailing list below be notified when registration reopens.

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A commercial plumbing pipe network

Course Description

In Plumbing III, students will learn about sizing and protecting water supply systems, including backflow prevention devices, as well as techniques for disinfecting and filtering potable water supply systems.

Students will also gain a comprehensive understanding in the installation, diagnosis, and repair of sewage and sump pumps, as well as how to select and connect different types of piping.


Prerequisites: Plumbing II or Employer Approval

Course Details
  • Dates: Aug. 21, 2025 - June 4, 2026
  • Day of the Week: Every Thursday
  • Time: 4:30 - 8:30PM
  • Tuition: $4,000 ($2,000/semester)
  • Material/Lab Fees: $300
  • Course Textbook Fee: $275
Credentials Earned
  • NCCER Plumbing III Certification
  • WMCI Certificate of Completion

What you'll learn in plumbing III

course curriculum

Reviews math concepts, including weights and measures, area and volume, temperature, pressure, and force. Describes the six simple machines: inclined planes, levers, pulleys, wedges, screws, and wheels and axles.

Plumbing III Registration Form

Plumbing III is closed for the 2025-2026 school year. If you have any questions about availability, please email Jordyn Kapala at jkapala@wmcinstitute.com.

Additionally, make sure you sign up for the WMCI course mailing list to ensure you're the first to be notified when new courses open that match your training needs.

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