Wilkins RK1-375V | 1" 375/375XL Complete Pressure Vessel Repair Kit
Wilkins RK1-375V | 1" 375/375XL Complete Pressure Vessel Repair Kit is backordered and will ship as soon as it is back in stock.
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Wilkins RK1-375V | 1" 375/375XL Complete Pressure Vessel Repai...
The Zurn Wilkins RK1‑375V is a complete pressure vessel repair kit designed for servicing Wilkins 375 and 375XL Reduced Pressure Principle Backflow Preventers. This OEM kit restores full functionality, ensures compliance, and extends the operational life of the valve assembly.
Key Specifications:
- Size: 1" valve repair kit
- Kit Type: Complete pressure vessel repair kit
- Compliance: Lead‑Free certified for potable water use
- Compatibility: Wilkins 1" Model 375 and 375XL Reduced Pressure Principle Backflow Preventers
- Components Included: OEM replacement parts for pressure vessel servicing
Features & Benefits:
- OEM Quality: Manufactured to Zurn Wilkins specifications for guaranteed fit and performance
- Complete Vessel Solution: Provides all required components to restore the pressure vessel assembly, ideal for small backflow preventer installations
- Lead‑Free Compliance: Safe for potable water applications and meets NSF/ANSI standards
- Extended Service Life: Restores backflow preventer performance, reduces downtime, and extends operational life
Materials:
- Lead‑Free compliant materials
- OEM replacement vessel components
- Seals and O‑rings
- Pressure vessel housing parts
FAQ
Q: What Components Are Included In The RK1‑375V Repair Kit?
A: The kit includes OEM replacement parts for the complete pressure vessel assembly, ensuring proper sealing and performance.
Q: Is This Kit Compatible With Other Valve Sizes?
A: No. The RK1‑375V is specifically designed for Wilkins 375 and 375XL valves. Other sizes require their corresponding kits (e.g., RK34‑375V for 1/2" and 3/4").
Q: Does This Kit Meet Lead‑Free Requirements?
A: Yes. All components are manufactured to meet lead‑free compliance standards for safe potable water applications.
Q: How Often Should The Valve Be Serviced With This Kit?
A: Annual inspection and maintenance are recommended. Use the repair kit whenever internal vessel components show wear, leakage, or pressure creep.
Q: Can I Install The RK1‑375V Myself?
A: Installation should be performed by a qualified licensed plumber. Proper tools and testing are required to ensure safe operation.
NOTICE: Do not use with water that is unsafe or of unknown quality without adequate disinfection either before or after the system.
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- Close the upstream shut‑off valve and open a downstream fixture to relieve line pressure.
- Remove the relief valve cover screws and lift off the cover.
- Take out the diaphragm, plunger, spring, and seat components from the pressure vessel.
- Inspect the housing for damage or corrosion; clean surfaces as needed.
- Install the new RK1‑375V kit components in the correct order: relief valve seat, spring, diaphragm, plunger, and o‑rings.
- Apply silicone grease to all o‑rings before installation to ensure proper sealing.
- Reattach the relief valve cover with the provided screws, tightening evenly.
- Slowly reopen the upstream shut‑off valve, purge air, and check for leaks.
- Confirm proper operation by observing relief valve discharge and outlet pressure stability.
- For detailed steps, refer to the repair kit manual or contact a licensed plumber.
- Inspect the backflow preventer annually for leaks, pressure creep, or relief valve discharge issues.
- Clean or replace rubber components if debris or wear is observed.
- Test outlet pressure with a downstream gauge to verify correct performance.
- Replace the RK1‑375V kit if diaphragm, seat, or o‑rings show cuts, tears, or deterioration.
- Ensure test cocks are functional and caps are secure.
- For service or repairs, consult the manual.
