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The TIGRE USA INC 36-671 is a 4-inch sewer drain 45-degree elbow fitting designed for underground and above-ground drain, waste, and vent (DWV) piping systems. This elbow changes flow direction at a 45-degree angle, reducing turbulence and helping maintain proper drainage velocity. The 4-inch diameter makes it suitable for main drain runs and branch connections in residential and light commercial plumbing applications. Licensed plumbers and pipefitters install this type of fitting as part of gravity-flow sewer and drain systems built to code.
This fitting is used in residential and light commercial DWV systems where a gradual 45-degree directional change is required. Typical installations include main sewer laterals, floor drain connections, and horizontal-to-horizontal or horizontal-to-vertical transitions within drain and waste piping. It is sold in packages of 16 units, making it practical for contractors working on multi-fixture or multi-unit jobs.
Designed as an OEM-style replacement or new-installation fitting for 4-inch sewer drain and DWV piping systems.
Installation should be performed by a licensed plumber in accordance with applicable local plumbing codes and the International Plumbing Code (IPC). Shut off water supply and confirm the drain system is depressurized before cutting into existing lines. Proper solvent cementing or mechanical joining methods should be used per the pipe and fitting manufacturer specifications. Verify the required 45-degree offset and confirm proper slope for gravity drainage before final connection.
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