The Wilkins RK1-350V is a complete vessel repair kit designed to restore Model 350 and 350XL Double Check Backflow Preventers, eliminating the need for full unit replacement while ensuring reliable backflow protection.

Key Specifications:

• Size: 1 Inches
• Compatible Models: Model 350 and 350XL
• Notable Certifications: ASSE 1015, CSA B64.5
• Kit Components: Vessel, seats, poppets, springs
• Warranty Coverage: 1-year limited warranty

Other Related Variants:

• RK34-350V: 3/4 Inch version
• RK112-350V: 1 1/2 Inch version
• RK2-350V: 2 Inch version

Materials:

• Pressure vessel assembly
• Seat O-rings (rubber/elastomer)
• Poppets (engineered polymer)
• Springs (stainless steel)
• Sleeves (brass/bronze)
• Housing O-rings (rubber/elastomer)
• Vessel mounting screws (stainless steel)
• Test cocks and cap plugs (brass)

Typical Installation:

The Zurn RK1-350V repair kit is designed for servicing 1 inch Model 350 and 350XL Double Check Backflow Preventers installed in residential, commercial, and light industrial potable water supply systems where backflow protection is required by code.

Standards Compliance:

ASSE 1015 Listed; CSA B64.5 Classified

Features & Benefits:

• Cost-Effective Repair: Allows complete restoration of backflow preventer function without replacing the entire assembly, reducing maintenance costs.
• Comprehensive Kit: Includes all critical vessel and internal check components—pressure vessel, seats, poppets, springs, O-rings, and test cocks—for complete repair.
• Certified Performance: Meets ASSE 1015 and CSA B64.5 standards, ensuring reliable backflow protection and regulatory compliance.
• Extended Service Life: Restores original equipment performance and extends the operational life of existing backflow prevention systems with factory-quality components.

FAQ

Q: What models is the Zurn RK1-350V repair kit compatible with?

A: This repair kit is specifically designed for 1 inch Model 350 and Model 350XL Double Check Backflow Preventers manufactured by Zurn Wilkins.

Q: What components are included in the RK1-350V kit?

A: The kit includes a complete pressure vessel, #1 and #2 seats with O-rings, poppets, springs, sleeves, housing inlet and outlet O-rings, pressure vessel mounting screws, test cocks, and test cock cap plugs.

Q: Can I use this repair kit instead of replacing my entire backflow preventer?

A: Yes, the RK1-350V is designed to fully restore the vessel and internal check components of your existing backflow preventer, providing a cost-effective alternative to complete unit replacement while maintaining compliance with backflow prevention standards.

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