Zurn Wilkins 1-975XL2 1-inch RPZ Backflow Preventer, Lead-Free Bronze FNPT - 1-975XL2
The Wilkins 1-975XL2 is a 1-inch Reduced Pressure Principle (RPZ) backflow preventer designed for reliable, high-hazard protection on potable water lines. Built with a low-lead cast bronze wye-pattern body and FNPT threaded connections, the unit delivers durable corrosion resistance and in-line serviceability for irrigation, commercial, and municipal plumbing systems.
The 975XL2 is ASSE 1013, IAPMO and CSA certified, AWWA C511 compliant, and approved by the USC Foundation for Cross-Connection Control and Hydraulic Research. It ships pre-assembled with the components required for effective backflow protection and accepts common accessories such as lead-free strainers, repair kits, and test fitting sets. Designed for installers who need a trusted, serviceable RPZ solution, the Wilkins 1-975XL2 minimizes downtime while meeting stringent code requirements.
Features
- Lead-free construction compliant with ANSI/NSF 372 and recognized low-lead standards for potable water systems.
- Wye-pattern bronze body with individual access to each check valve and the relief valve to simplify maintenance and reduce labor time.
- 1-inch FNPT threaded connections and short lay length for easier replacement and compact installation in tight spaces.
- Rated for typical working conditions: maximum working pressure 175 psi, hydrostatic test to 350 psi, and operating range 33°F to 180°F.
- Noryl replaceable seats, silicone rubber check discs, full-port ball valves, and four test cocks for dependable operation and straightforward field service.
What our Experts Think
-
Top-tier protection performance: Designed to prevent reverse flow contamination in high-hazard applications, meeting strict plumbing safety standards.
-
Lead-free bronze construction: Durable, corrosion-resistant body ensures long service life and compliance with drinking water safety regulations.
-
Easy maintenance design: Features modular check and relief components for faster servicing and reduced downtime.
-
Stable pressure control: Engineered for consistent operation even under fluctuating supply pressure conditions.
-
Certified compliance: Built to meet or exceed major backflow prevention standards used in municipal and commercial systems.
-
Installer-friendly: FNPT connections and compact 1-inch sizing simplify installation in tight piping layouts.
Q&A
Q: What is the Zurn Wilkins 1-975XL2 used for?
A: A lead-free 1" RPZ backflow preventer designed to protect potable water systems from contamination due to backpressure or backsiphonage in high-hazard applications.
Q: Is it suitable for drinking water systems?
A: Yes. It is NSF/ANSI 61 certified and lead-free compliant for potable water use.
Q: What type of construction does it have?
A: Durable bronze body with stainless steel internals for corrosion resistance and long service life.
Q: What maintenance features does it offer?
A: Wye-pattern design with separate access to check valves and relief valve for easier servicing and reduced downtime.
Q: What are the installation options?
A: Designed for 1" FNPT connections; can be installed horizontally or vertically depending on system requirements.
Q: What pressure and temperature range does it support?
A: Rated up to 175 psi working pressure and 180°F maximum temperature.
Q: Does it meet industry standards?
A: Yes. ASSE 1013 listed, CSA certified, AWWA compliant, and approved for cross-connection control applications.
Maintenance Tips
Damage 
Loss 
Theft 
