The Wilkins RK34-375R is a comprehensive elastomer seal kit designed for 1/2"-3/4" Model 375/375XL/375ST Reduced Pressure Principle Backflow Preventers, ensuring reliable performance and compliance.

Key Specifications:

• Size: 1/2"-3/4 Inches
• Compatible Models: 375/375XL/375ST Series
• Notable Certifications: ASSE 1013, C-UL Classified
• Material Compliance: Lead-Free materials
• Kit Components: 11 piece complete seal kit

Other Related Variants:

• RK114-375R: 1-1/4"-2" model repair kit
• RK8-375R: 8"-10" model relief valve kit
• RK212-375R: Alternative model repair kit

Materials:

• Lead-Free Rubber Elastomers
• Lead-Free O-Ring Materials
• Lead-Free Diaphragm Material
• Lead-Free Seal Ring Compounds

Typical Installation:

The Zurn RK34-375R is used for routine maintenance and repair of 1/2" to 3/4" Reduced Pressure Principle Backflow Preventers in commercial, industrial, and residential plumbing systems where backflow prevention is required to protect potable water supplies from contamination.

Standards Compliance:

ASSE 1013; C-UL Classified; Lead-Free Compliance

Features & Benefits:

• Complete Repair Solution: Includes all 11 elastomer components needed to fully rebuild check valves, main housing, and relief valve assemblies in one convenient kit.
• Lead-Free Compliance: Manufactured with lead-free materials meeting current safety standards for potable water system applications.
• ASSE 1013 Certified: Ensures reliable backflow prevention performance and compliance with industry standards for reduced pressure principle assemblies.
• Extended Service Life: High-quality rubber seals and O-rings restore proper sealing and pressure differential for long-lasting backflow preventer operation.

FAQ

Q: What components are included in the Wilkins RK34-375R repair kit?

A: The kit includes one Sleeve O-Ring, one #1 Check Seat O-Ring, two Check Seal Rings, one #2 Check Seat O-Ring, one Housing Inlet O-Ring, one Housing Outlet O-Ring, one Relief Valve Cover O-Ring, one Relief Valve Seat O-Ring, one Relief Valve Seal Ring, one Diaphragm, and one Relief Valve Stem O-Ring.

Q: Which backflow preventer models are compatible with this repair kit?

A: This repair kit is designed specifically for 1/2"-3/4" Model 375, 375XL, and 375ST Reduced Pressure Principle Backflow Preventers manufactured by Zurn Wilkins.

Q: How often should I replace the seals in my backflow preventer?

A: Replace seals during annual testing if leakage is detected, pressure differential falls below acceptable levels, or as recommended by local codes and the manufacturer's maintenance schedule to ensure continued backflow protection.

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