The Wilkins RK1-375 Complete Repair Kit is designed for 1" 375 and 375XL Reduced Pressure Principle Backflow Preventers. It provides all necessary internal components to restore performance, ensuring reliable protection against backflow in commercial and municipal water systems.

Key Specifications:

• Flow Rate: Matches system rating for 1" 375/375XL backflow preventers
• Service Capacity: Designed for full internal rebuild of 1" assemblies
• Compatibility: Wilkins 1" Model 375 and 375XL Reduced Pressure Principle Backflow Preventers
• Components Included: Complete internals kit (check assemblies, springs, seals, O-rings, relief valve parts)
• Number of Kits: Single RK1-375 kit for one 1" backflow preventer

Features & Benefits:

• Comprehensive Repair: Includes all internal parts required to restore 1" 375/375XL backflow preventers
• OEM Quality: Manufactured by Zurn Wilkins to meet original specifications
• Extended Service Life: Restores performance and extends the life of existing assemblies
• Cost-Effective: Eliminates the need for full valve replacement by rebuilding existing units
• Certified Performance: Maintains compliance with industry standards when properly installed

What's Included:

• Complete internals repair kit for 1" 375/375XL backflow preventers
• Check assemblies
• Springs and retainers
• O-rings and seals
• Relief valve components

FAQ

Q: Which models are compatible with the RK1-375 kit?
A: It is designed specifically for Wilkins 1" Model 375 and 375XL Reduced Pressure Principle Backflow Preventers.

Q: What does the complete kit include?
A: The kit includes all internal components such as check assemblies, springs, seals, O-rings, and relief valve parts needed for a full rebuild.

Q: How often should a backflow preventer be rebuilt?
A: Rebuild intervals vary by local regulations and water conditions, but many municipalities recommend inspection and rebuild every 1–5 years.

Q: Can this kit be used for partial repairs?
A: Yes, individual components from the kit can be used for partial repairs, but it is intended as a complete rebuild solution.

Q: Is professional installation required?
A: Yes. Backflow preventer repairs should be performed by licensed professionals to ensure compliance with plumbing codes and proper system protection.

NOTICE: Always follow local codes and testing requirements when servicing backflow preventers. Use only OEM parts to maintain certification and performance.

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