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The WESTLAKE PIPE FITTINGS g1166 is a 6-inch SDR 35 PVC sewer spigot pipe plug designed to temporarily or permanently seal the end of a sewer pipe. Built from PVC and rated to the SDR 35 schedule, this plug provides a secure, watertight fit in spigot-end sewer piping. Weighing 1 pound, it is a straightforward, durable component used by plumbers and sewer contractors during installation, testing, and system commissioning. Its spigot connection style slides into the bell end of a compatible fitting or pipe for a snug, reliable seal.
This plug is intended for use in gravity sewer and drain systems where SDR 35 PVC pipe is the specified material. Typical applications include capping sewer laterals during rough-in, isolating sections of pipe for pressure or leak testing, and permanently plugging unused cleanout or branch connections. It is suitable for residential and light commercial sewer installations where PVC SDR 35 components are required by specification or local code.
Designed as an OEM-style replacement and standard component for 6-inch SDR 35 PVC gravity sewer and drain piping systems.
Installation is typically performed by a licensed plumber or sewer contractor in accordance with local plumbing codes and IPC guidelines. Ensure the pipe bell end is clean and free of debris before seating the spigot plug. Solvent cement may be applied per the pipe manufacturer instructions when a permanent installation is required. Always depressurize and isolate the line before removing or replacing any plug in an active system.
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