U.S. Code of Federal Regulations

Regulations most recently checked for updates: Jan 21, 2026

All TitlesTitle 33Chapter IPart 159-MARINESubpart C - Subpart C-Design, Construction, and Testing
View all text of Subpart C [§ 159.51 - § 159.131]
§ 159.87 - Removal fittings.

If sewage removal fittings or adapters are provided with the device, they must be of either 1 1/2″ or 4″ nominal pipe size.

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