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The MUELLER STREAMLINE PDWV4817-3IN is a 3-inch PVC DWV cap used to terminate or seal the end of a drain, waste, and vent pipe run. Made from PVC, this cap provides a secure, watertight closure on open pipe ends during pressure testing, system commissioning, or permanent installation. Licensed plumbers and pipefitters install this fitting in residential and light commercial drain-waste-vent systems where a clean, durable pipe termination is required. Its straightforward socket-end design makes it compatible with standard solvent-weld assembly methods used throughout DWV piping work.
This cap is suited for use in residential and light commercial DWV systems where 3-inch pipe runs require termination. Typical applications include capping cleanout extensions, sealing unused branch outlets, or closing off pipe ends during rough-in and pressure testing phases of a plumbing installation. It is appropriate for above-ground, non-pressure DWV service in gravity-flow drain and vent configurations.
Designed as an OEM-style replacement and standard fitting for use with 3-inch PVC DWV pipe systems in residential and light commercial plumbing applications.
Installation is performed by a licensed plumber following local plumbing codes and IPC guidelines. Before installing, ensure the pipe end is clean, deburred, and dry. Apply an approved PVC primer and solvent cement to both the pipe end and the cap socket before joining, following manufacturer instructions for cure time before pressurizing the system. Do not use this fitting in pressurized water supply lines or applications outside its rated DWV service.
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