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NYC Plumbing Code

§ 425.3.1 — § 425.3.1

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What is NYC PC § 425.3.1?

Quick Answer

This section mandates that flush tanks must have an antisiphon fill valve that meets ASSE 1002 or CSA B125.3 standards. Additionally, the fill valve backflow preventer must be positioned at least 1 inch above the overflow pipe's full opening. Applies to building owners responsible for plumbing installations.

General informational summary. Not legal advice for your situation. Consult an attorney before acting on any specific matter.

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425.3.1 Fill valves.

PC § 425.3.1

Flush tanks shall be equipped with an antisiphon fill valve conforming to ASSE 1002 or CSA B125.3. The fill valve backflow preventer shall be located not less than 1 inch (25 mm) above the full opening of the overflow pipe.

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