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The IPS 83654 is a 4-inch cleanout pneumatic test plug designed for pressure-testing plumbing pipelines above the cleanout tee. Made from rubber, it inflates to seal the line and deflates to allow test water or air to pass through once testing is complete. Each plug is sized specifically for one pipe diameter and includes a molded-in inflation valve, eliminating the need for a separate valve adapter. Licensed plumbers and drain-waste-vent installers use this plug during rough-in inspections to verify pipeline integrity before walls are closed.
This plug is intended for use in residential and commercial plumbing rough-in applications where a cleanout tee is present. It installs above the cleanout tee to isolate the DWV system for air or hydrostatic pressure testing. After testing is complete, the plug is deflated, allowing test media to pass, and can then be unscrewed from the tee for removal. Its single-size design ensures a consistent, reliable seal for 4-inch pipe without guesswork on fitment.
Designed as an OEM-style replacement and standard test accessory for 4-inch cleanout tees in residential and commercial drain-waste-vent plumbing systems.
Installation and removal should be performed by a licensed plumber familiar with DWV pressure-testing procedures. Shut off all water supply and relieve system pressure before installing or removing the plug. Follow local plumbing code requirements - typically referenced under the IPC or applicable state amendments - for maximum allowable test pressure and test duration. Do not over-inflate; inflate only to the pressure specified by the authority having jurisdiction for the test type being conducted.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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