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The MUELLER STREAMLINE PDWVSANT4 is a 4-inch PVC sanitary tee fitting designed for drain, waste, and vent (DWV) piping systems. It features a hub x hub x hub (H x H x H) end configuration, accepting solvent-welded pipe connections at all three openings. This fitting redirects drain flow from a branch line into a main vertical or horizontal DWV stack while maintaining the directional sweep required by plumbing code for sanitary drainage. Licensed plumbers install this fitting in residential and light commercial rough-in work where a branch drain ties into a main line.
The PDWVSANT4 is suited for residential and light commercial DWV applications including bathroom groups, kitchen drain lines, and laundry connections. It is used wherever a 4-inch branch tie-in is needed along a main DWV stack or horizontal drain run. The hub connections accept standard Schedule 40 PVC pipe and are joined with solvent cement per manufacturer and code requirements. All three ports are sized at 4 inches, making this fitting appropriate for main-line sanitary drainage configurations.
Designed as an OEM-style replacement and standard new-installation fitting for 4-inch PVC DWV piping systems using hub-style solvent-weld connections.
Installation must be performed by a licensed plumber in accordance with the International Plumbing Code (IPC) and applicable local amendments. Shut off water supply and ensure the drain system is clear before cutting into an existing line. Use the appropriate PVC primer and solvent cement for all hub connections, and allow full cure time before restoring flow. Orient the sanitary tee correctly for the direction of drainage flow — this fitting is not approved for pressure service.
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