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Plumbingaka: toiletaka: WCaka: commodeaka: water closet

Water Closet

In Plain English

The plumbing term for a toilet.

Definition

The technical plumbing term for a toilet — a fixture that uses water to flush waste into the drainage system. Water closets are classified as gravity-flush, pressure-assist, or dual-flush types. Plumbing codes specify minimum water closet counts based on building occupancy and use, with ADA requirements for accessible configurations.

Example

The renovation replaced all 1.6 GPF water closets with 1.28 GPF WaterSense models to meet the green building certification requirements.

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