Zurn Wilkins 500XL3 Water Pressure Reducing Valve (PRV).

Product Overview

The Zurn Wilkins 500XL3 Water Pressure Reducing Valve is built for durability and high-performance water control in both commercial and residential plumbing systems. This valve is designed to reduce high inlet pressure to a safe, consistent outlet pressure, protecting pipes, fixtures, and equipment from costly damage caused by excess water pressure.

Its patented venturi design delivers best-in-class flow capacity, making it a reliable choice for larger systems such as industrial water lines and high-demand plumbing applications. With a balanced piston for smooth pressure regulation and a direct-acting by-pass feature to relieve excess pressure from thermal expansion, the 500XL3 ensures dependable, long-term performance.

Features & Benefits

• Wide Size Range – Available in 1", 1-1/4", 1-1/2", and 2" sizes for versatile system compatibility.

• High Flow Capacity – Patented integral venturi design supports strong, consistent flow rates.

• Pressure Control – Adjustable from 15 to 75 PSI, factory preset to 50 PSI.

• Rugged Construction – Lead-free bronze body with corrosion-resistant components for long service life.

• Easy Maintenance – Removable cartridge allows for quick servicing and reduced downtime.

• Thermal Expansion Protection – By-pass feature prevents dangerous pressure buildup.

• Code Compliant – Certified to ASSE® 1003, cUPC®, CSA® B356, and meets NSF/ANSI/CAN 61 & 372 standards.

Specifications

• Sizes: 1", 1-1/4", 1-1/2", 2"

• Maximum Working Pressure: 400 PSI

• Maximum Temperature: 140°F (60°C)

• Pressure Range: 15–75 PSI

• Factory Preset: 50 PSI

• Connections: Single union FNPT inlet x FNPT outlet

• Body Material: Lead-free bronze

Installation Tips

• Install on potable water lines where pressure regulation is required.

• Can be mounted horizontally or vertically depending on piping configuration.

• Always verify downstream pressure with a gauge after adjustment.

• For systems with high demand variations, consider multiple valve installations.

• Follow local plumbing codes and reference manufacturer installation guidelines.

FAQs

Q: What applications are best for the Zurn Wilkins 500XL3?
A: It is ideal for commercial plumbing systems, industrial water lines, and residential applications where high pressure must be reduced for safety and efficiency.

Q: How does the venturi design improve performance?
A: The integral venturi increases flow efficiency, ensuring steady pressure and reducing wear on plumbing systems.

Q: Is this valve lead-free and compliant with current codes?
A: Yes, the 500XL3 meets NSF/ANSI/CAN 61 and 372 requirements with less than 0.25% weighted average lead content.

Q: Can the valve be serviced without full replacement?
A: Yes, the removable cartridge design allows for quick inspection and repair without replacing the entire unit.