Water or air pressure test.

Del. Code tit. 16, § 7923
in effect
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The plumbing system shall be subjected to a water or air pressure test and to a final test in such manner as to disclose all leaks and imperfections in the work.
Source: DE Code (Official Site)URL: https://delcode.delaware.gov/title16/c079/index.htmlFetched: 10/4/2026
Source: DE Code (Official Site)URL: https://delcode.delaware.gov/title16/c079/index.htmlFetched: 6/28/2026

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