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The IPEX 35430 is a 3-inch PVC Schedule 40 female pipe thread (FPT) cap designed to terminate open pipe ends in pressure and drainage piping systems. Built from Xirtec PVC compound, this white cap delivers consistent dimensional tolerances and reliable chemical resistance for use in plumbing and industrial piping applications. It threads onto standard 3-inch male-threaded pipe or fittings to provide a secure, leak-resistant termination point. Licensed plumbers and pipefitters install this fitting during new construction, system modifications, or service work where a pipe run must be capped and sealed.
This cap is suited for residential and light commercial plumbing systems where Schedule 40 PVC piping is specified. It is commonly used to close off branch lines, test ports, or unused outlets during rough-in and pressure testing phases. The FPT connection allows hand-tightening with thread sealant tape or compound for a proper seal.
Designed as an OEM-style fitting for use with 3-inch Schedule 40 PVC male-threaded pipe and fittings in standard pressure and drainage piping systems.
Installation is performed by a licensed plumber in accordance with applicable local plumbing codes and IPC requirements. Shut off the water supply and depressurize the line before threading on the cap. Apply PTFE thread tape or an approved pipe thread sealant compound to the male threads before hand-tightening and wrench-tightening to a snug fit. Do not overtighten PVC threaded fittings, as this can crack the fitting body.
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