Durable 4" Schedule 40 PVC plug with male iron pipe threads (MIPT). Designed to close off pipe runs, cleanouts and unused fittings in irrigation, pool/spa and cold-water plumbing systems. Injection-molded PVC gives corrosion resistance and long service life while remaining lightweight for easy handling and installation. Material & Standards: Injection-molded PVC produced to ASTM D1784 and common Schedule 40/STD specifications; many listings show NSF/ANSI compliance for potable water when marked. Connection Type: Male iron pipe thread (MIPT/MNPT) for secure threaded connections and easy installation into female-threaded fittings or sockets. Nominal Size & Schedule: 4" nominal pipe size, Schedule 40 (S40) — designed for standard PVC piping systems and typical irrigation or cold-water applications. Temperature & Use Limits: Rated for typical cold-water service up to about 140°F (60°C); not intended for hot-water distribution, compressed air or gaseous service. Performance Benefits: Smooth internal walls reduce pressure loss, PVC resists corrosion and scaling, and lead-free compounds limit lead content for safer potable-water use where certified. Common Applications: Irrigation systems, pool and spa plumbing, PVC line terminations, underground cleanouts and general cold-water piping systems. This fitting is a simple, reliable solution when you need to cap or terminate a threaded run of Schedule 40 PVC pipe. Confirm NSF/ANSI marking and local code requirements for potable-water installations, and follow manufacturer guidance for solvent-cemented or threaded assemblies. Do not use with compressed air or in high-temperature applications beyond PVC Schedule 40 ratings.
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