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424.9 Water closet personal hygiene devices.
Personal hygiene devices integral to water closets or water closet seats shall conform to the requirements of ASME A112.4.2.
425.1 Flushing devices required.
Each water closet, urinal, clinical sink and any plumbing fixture that depends on trap siphonage to discharge the fixture contents to the drainage system shall be provided with a flushometer valve, flushometer tank or a flush tank designed and installed to supply water in quantity and rate of flow to flush the contents of the fixture, cleanse the fixture and refill the fixture trap.
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