Zurn z-34-nr3xldupex Prv 3/4 Inch Union Fnpt X Crimp Pex

Product Description

The ZURN z-34-nr3xldupex is a 3/4-inch pressure reducing valve (PRV) configured with a union female NPT inlet and a crimp PEX outlet connection. Pressure reducing valves automatically reduce incoming supply pressure to a safe, consistent downstream level, protecting fixtures, appliances, and piping from excessive pressure. This valve is designed for installation in residential and light commercial plumbing systems where PEX distribution piping is used. The union connection on the inlet side simplifies removal and reinstallation without disturbing the surrounding pipe run, making service calls faster and cleaner.

This PRV is suited for new construction and retrofit applications where a PEX supply system is already in place or being installed. The 3/4-inch size is a common main line size in residential plumbing, typically installed at or near the water meter or where the service line enters the structure. The FNPT union inlet allows connection to standard threaded iron or brass fittings, while the crimp PEX outlet connects directly to 3/4-inch PEX tubing using a standard crimp ring and crimp tool.

Key Features

• 3/4-inch connection size for main-line residential plumbing applications
• Union FNPT inlet for tool-accessible removal without cutting pipe
• Crimp PEX outlet for direct integration with PEX distribution systems
• Pressure reducing function protects downstream fixtures and appliances from high supply pressure

Compatibility

Designed as an OEM-style replacement or new-installation PRV for residential and light commercial plumbing systems using 3/4-inch PEX distribution piping with NPT threaded supply connections.

Installation Notes

Installation should be performed by a licensed plumber in accordance with local plumbing codes and the International Plumbing Code (IPC). Shut off the main water supply and relieve system pressure before removing or installing this valve. Use appropriate thread sealant or PTFE tape on all NPT connections. The crimp PEX outlet requires a calibrated crimp ring tool and the correct crimp rings for 3/4-inch PEX tubing.

Technical Specifications

• Connection Size: 3/4 inches
• Inlet Connection Type: Union Female NPT (FNPT)
• Outlet Connection Type: Crimp PEX
• Valve Type: Pressure Reducing Valve (PRV)

Standard Information

• Brand: ZURN
• Manufacturer Part Number: z-34-nr3xldupex