Zurn Wilkins 1-975XL2FT - 1" Reduced Pressure (RPZ) Backflow Preventer - 1-975XL2FT
The Wilkins 1-975XL2FT 1" Reduced Pressure (RPZ) backflow preventer delivers high-hazard protection for potable water systems. Designed for easy service access and long-term reliability, this assembly is suited for commercial and residential installations requiring lead-free construction and robust performance.
Specification sheets, installation instructions, and replacement parts lists are published by the manufacturer. Regular inspection and annual certified testing are recommended to maintain compliance with local plumbing codes and backflow regulations.
Features
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Certified lead-free bronze body: Cast bronze construction with stainless steel internals for corrosion resistance and durability.
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Trusted certifications: ASSE 1013 listing, NSF/ANSI 61 and 372 certification, cUPC and CSA approvals, and AWWA C511 compliance.
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Performance ratings: Rated to 175 PSI maximum working pressure and up to 180°F operating temperature.
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Threaded FNPT connections: Female NPT threaded ends (ANSI B1.20.1) for straightforward inline replacement and retrofit.
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Wye-pattern, top-access design: Separate access to each check and relief valve simplifies inspection, testing, and repairs without removing the unit.
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Serviceability: Replaceable seats, seals, and elastomers plus available repair kits and factory parts reduce lifetime maintenance costs.
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Typical applications: High-hazard potable water protection in hospitals, labs, irrigation, commercial buildings, and industrial facilities.
What our Experts Think
Q&A
Q: What is the Zurn Wilkins 1-975XL2FT used for?
A: It protects potable water systems from contamination by preventing backflow in high-hazard applications like irrigation and commercial water lines.
Q: What does RPZ mean in this model?
A: RPZ stands for Reduced Pressure Zone assembly, designed to discharge water if backpressure or back siphonage is detected, ensuring safe drinking water.
Q: What are key features of the 1-975XL2FT?
A: 1" lead-free bronze body, durable wye-pattern design, full-port ball valves, and factory-installed fast-test cocks for easier maintenance and testing.
Q: Is it easy to maintain?
A: Yes, its modular design allows quick access to internal check valves and relief components, reducing service time and repair costs.
Q: Where is it commonly installed?
A: Used in irrigation systems, commercial buildings, and other high-hazard water supply setups requiring code-compliant backflow protection.
Maintenance Tips
- Inspect regularly for leaks, corrosion, and relief valve discharge.
- Test annually by a certified tester to verify proper RPZ performance and code compliance.
- Flush the assembly periodically to reduce sediment and debris buildup in check valves.
- Clean strainers and internal components to maintain stable pressure and flow.
- Replace worn seals, O-rings, or check modules using approved repair kits as needed.
- Ensure adequate clearance for maintenance access and keep unit protected from freezing.
Damage 
Loss 
Theft 
