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The TIGRE USA INC 36-721 is a 4-inch sanitary tee fitting designed for sewer and drain piping systems. Sanitary tees direct wastewater flow from branch lines into a main drain line while maintaining proper drainage slope and preventing backflow turbulence. This fitting is a standard component in drain, waste, and vent (DWV) piping assemblies. Licensed plumbers install this tee during rough-in of residential and light commercial drain systems. The swept inlet design of a sanitary tee allows flow to enter smoothly in the direction of drainage, reducing clogging risk compared to a standard tee.
The 36-721 is suited for horizontal-to-vertical drain transitions in 4-inch DWV piping runs. Common applications include main stack connections, floor drain branch tie-ins, and toilet drain rough-ins where a 4-inch line is required. This fitting is sold in a package quantity of 10 units, making it practical for larger rough-in projects or contractor stock orders.
Designed as an OEM-style replacement or new-installation fitting for 4-inch DWV drain and sewer piping systems.
Installation should be performed by a licensed plumber in accordance with the International Plumbing Code (IPC) and applicable local codes. Shut off water supply and ensure the drain system is depressurized before cutting into an existing line. Verify fitting orientation so the swept branch inlet aligns with the direction of flow toward the main stack. Inspect all joints and solvent welds or gasket connections for proper seating before backfilling or closing rough-in.
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