Back to Glossary
Plumbing

Cleanout

In Plain English

A capped access point in drain pipes that a plumber opens to insert a snake or camera to clear clogs.

Definition

An access fitting installed in drain and sewer piping that allows a plumber to insert drain cleaning equipment to clear blockages. Cleanouts must be installed at the base of all stacks, at changes in direction greater than 45 degrees, and at intervals not exceeding 100 feet in horizontal runs. They are provided with threaded or capped plugs to keep the system sealed.

Example

The inspector required cleanouts at each change of direction in the horizontal sewer run under the slab.

Related Terms

Frequently Asked Questions

Need more than definitions?

Get AI-powered bid alerts, automated form filling, and proposal drafting.

Start Free Trial

© 2026 ConstructionBids.ai — A LaderaLabs Product