NOTICE: Effective October 1, 2025, retail sales tax will be added to the course cost (in person and online) due to changes in the Washington State Sales Tax law.

Plumbing Code Update Online: Chapter 17

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Plumbing Code Update Online: Chapter 13

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Plumbing Code Update Online: Chapter 11

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Plumbing Code Update Online: Chapter 10

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Plumbing Code Update Online: Chapter 9, Part 1

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Plumbing Code Update Online: Chapter 8

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Plumbing Code Update Online: Chapter 7, Part 1

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Plumbing Code Update Online: Chapter 6, Part 1

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Plumbing Code Update Online: Chapter 5

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Plumbing Code Update Online: Chapter 4, Part 1

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Plumbing Code Update Online: Chapter 3, Part 1

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Plumbing Code Update Online: Chapter 2, Part 1

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Plumbing Code Update Online: Chapter 1

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Plumbing Code Update Online: WACs

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Plumbing Code Update Online: Chapter 7, Part 2

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Plumbing Code Update Online: Chapter 6, Part 3

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Plumbing Code Update Online: Chapter 6, Part 2

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Plumbing Code Update Online: Chapter 9, Part 2

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Plumbing Code Update Online: Chapter 4, Part 2

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Plumbing Code Update Online: Chapter 3, Part 2

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