Zurn Wilkins 500XL3 Water Pressure Reducing Valve

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.