Wilkins 1-975XL2 1-inch RPZ Backflow Preventer, Lead-Free Bronze FNPT

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.

• 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.

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.