Zurn 12-500XL 1/2" Lead-Free High Capacity Commercial Grade Water Pressure Reducing Valve

The Zurn Wilkins 12-500XL is a 1/2" lead-free pressure reducing valve with single union FNPT connections. It reduces inlet pressure of up to 300 psi to an adjustable 25-75 psi downstream, factory set at 50 psi. It features a lead-free bronze body. Rated to 300 psi and up to 140°F. This model is certified lead-free for potable-water installations.

High flow rates and low fall-off are the hallmarks of the Wilkins 500XL series. The 500XL is perfect for your commercial or industrial pressure reduction applications. Performance Leading, Next Generation Model Now Available: 500XL3

Features

• Short lay length and compact design allow it to install in tight spaces
• High-flow capacity suits commercial or industrial pressure reduction applications
• Highly durable, threaded bell resists corrosion and provides easy access to cartridge internals
• IAPMO® Listed
• CSA® Certified
• City of Los Angeles Approved

Common Questions

What pressure is it set to out of the box?

12-500XL ships factory set at 50 psi. The adjustable reduced-pressure range is 25 to 75 psi, so you can dial the outlet anywhere in that band on site with the adjusting bolt - loosen the locknut, turn to raise or lower pressure, retighten and verify with a downstream gauge.

Does it include a strainer?

No - 12-500XL does not have an integral strainer (this series relies on the integral by-pass check valve alone). On dirty or older supply lines, install a separate inline strainer (Zurn Wilkins SXL/FSC) upstream to keep debris off the seat.

Does it have a built-in bypass for thermal expansion, or do I still need an expansion tank?

12-500XL includes an integral thermal-expansion bypass that relieves excess downstream pressure back toward the supply when street pressure is lower. It is not a substitute for a properly sized expansion tank where your local code requires one - the bypass only relieves back to the street when street pressure is lower than the closed-system pressure.

Specifications

• Type: High Capacity Commercial Grade Water Pressure Reducing Valve
• Size: 1/2"
• Inlet Size: 1/2"
• Outlet Size: 1/2"
• Connection: FNPT
• Body Material: Lead-Free Bronze
• Max Pressure (psi): 300
• Application: Domestic Water
• MPN: 12-500XL
• Temperature: up to 140°F
• Certifications: ASSE-1003, IAPMO, CSA-B356, NSF-61, NSF-372
• Lead-Free: Yes
• Factory Set Pressure (psi): 50
• Adjustable Range - Min (psi): 25
• Adjustable Range - Max (psi): 75
• Thermal Expansion Bypass: Yes
• Integral Strainer: No
• Gauge: None
• Union Configuration: Single Union
• Capacity Class: High Capacity
• Regulated Media: Domestic Water
• Bell Housing: Standard