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The WILKINS 1-NR3XLDUPEXF1960 is a 1-inch NR3XL series pressure reducing valve configured with double union expansion PEX F1960 end connections. It is designed for cold expansion PEX installations, including systems using Uponor-compatible fittings. This valve reduces incoming supply pressure to a safe, controlled downstream level, protecting fixtures, water heaters, and appliances from overpressure damage. The lead-free construction meets current potable water standards. Licensed plumbers install this valve on residential and light commercial domestic water systems where inlet pressure must be regulated before distribution throughout the building.
This valve is suited for cold expansion PEX plumbing systems where a direct, union-style connection to PEX F1960 tubing is preferred. The double union design allows the valve body to be removed and serviced without cutting the pipe. Typical installations include main service entry points and branch supply lines in new construction or retrofit projects using expansion PEX methodology. The NR3XL platform is a recognized pressure reducing valve series used in domestic water applications requiring reliable, adjustable pressure control.
Designed for use with cold expansion PEX F1960 tubing systems, including Uponor-compatible expansion PEX installations. Intended as a direct-connection pressure reducing valve for 1-inch PEX distribution piping.
Installation should be performed by a licensed plumber in accordance with local plumbing codes and IPC guidelines. Shut off the main water supply and depressurize the system before installing or servicing the valve. The double union connections must be fully seated and hand-tightened before final torque to avoid cross-threading. Verify downstream pressure setting after installation using a calibrated pressure gauge before returning the system to service.
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