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The RELIANCE WORLDWIDE 25550LF is a 3/4-inch PVC x 3/4-inch CTS ball valve designed for isolation service in residential and light commercial plumbing systems. The PVC-to-CTS configuration allows direct connection between rigid PVC pipe and flexible CTS tubing without additional adapters. Ball valves of this type provide full-port or near-full-port flow when open and positive shutoff when closed, making them a standard choice for service valves on water supply lines. The LF designation indicates a lead-free construction, meeting current NSF and state-level low-lead compliance requirements for potable water applications. Licensed plumbers and pipefitters are the primary installers.
This valve is suited for cold and ambient-temperature water supply lines where a reliable shutoff point is needed. Typical install locations include under-sink supply risers, appliance connections, irrigation system inlets, and anywhere a PVC main transitions to CTS flexible tubing. The 3/4-inch size handles standard branch and main supply line sizing in residential construction and light commercial work.
Designed as an OEM-style replacement or new-installation shutoff valve for 3/4-inch PVC pipe to 3/4-inch CTS tubing transitions in residential and light commercial potable water systems.
Installation should be performed by a licensed plumber in accordance with local plumbing codes and the IPC. Shut off the upstream water supply and relieve line pressure before removing or installing this valve. Solvent-weld the PVC side using the appropriate primer and cement for the pipe material; follow cure times before pressurizing. Do not over-torque the CTS connection, and verify all joints for leaks after restoring service pressure.
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