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Zurn Wilkins 34-375S 3/4" Reduced Pressure Backflow Preventer - 34-375S

Zurn Wilkins 34-375S 3/4" Reduced Pressure Backflow Preventer - 34-375S

$530.99
$530.99 $707.05
SAVE 24% Sold out
Zurn Wilkins 34-375S 3/4" Reduced Pressure Backflow Preventer - 34-375S

Zurn Wilkins 34-375S 3/4" Reduced Pressure Backflow Preventer - 34-375S

$530.99
$530.99 $707.05
SAVE 24% Sold out

Zurn Wilkins 34-375S 3/4" Reduced Pressure Backflow Preventer - 34-375S

The Zurn Wilkins 34-375S 3/4" Reduced Pressure Backflow Preventer is a compact, high-hazard RPZ assembly designed to protect potable water supplies from backpressure and backsiphonage. It combines durable construction with easy serviceability to reduce long-term maintenance costs.

Designed for irrigation, commercial, and industrial systems where non-potable cross-connections pose a health risk, the 34-375S balances reliability and serviceability. Refer to the included installation and maintenance documents and specification sheet for dimensions, repair parts, and detailed installation guidance. Regular testing and annual maintenance by a certified technician will ensure continued compliance and performance.

Features
  • EZSwap pressure vessel: Removable, UV-resistant reinforced nylon vessel for fast off-line servicing and reduced rebuild time.
  • Flush Tool compatible: Flush fitting tool enables quicker line flushing and testing on site.
  • Bronze "Y" type strainer: Integral strainer protects internals from debris and simplifies maintenance.
  • High working pressure: Rated to 175 psi for commercial and irrigation applications.
  • Certifications: ASSE 1013 listed; IAPMO and CSA B64.4 compliant; AWWA C511 alignment and USC Foundation approval for cross-connection control.
  • Sizes and options: Available in sizes 1/2" through 2"; suffix options include S for bronze strainer and other factory options for inlet/outlet, valve types, and test fittings.
What our Experts Think
  • Excellent for irrigation and non-potable systems: The Zurn Wilkins 34-375S 3/4" Reduced Pressure Backflow Preventer delivers reliable protection against backsiphonage and backpressure in high-hazard, non-potable water applications.
  • Built for faster maintenance: The patented EZSwap® removable pressure vessel allows off-line servicing, helping reduce repair time and simplify seasonal maintenance.
  • Integrated bronze Y-strainer: A built-in bronze wye strainer helps protect internal components from debris, extending service life and reducing maintenance costs.
  • Designed for demanding environments: Corrosion-resistant materials and a top-access design make this assembly well suited for outdoor installations and harsh water conditions.
  • Contractor-preferred performance: With low lifecycle costs, easy winterization, and quick flushing using the compatible Flush Tool, the 34-375S is a popular choice for commercial and residential irrigation professionals.

Q&A

Q: What is the Zurn Wilkins 34-375S 3/4" Reduced Pressure Backflow Preventer?
A: The Zurn Wilkins 34-375S is a 3/4-inch reduced pressure (RP) backflow preventer designed to protect potable water systems from backsiphonage and backpressure in high-hazard, non-potable water applications.

Q: What applications is the 34-375S best suited for?
A: It is ideal for irrigation systems, commercial plumbing, industrial water systems, and other non-potable applications requiring reliable cross-connection protection.

Q: What are the key features of the Zurn Wilkins 34-375S?
A: It features an EZSwap® removable pressure vessel for faster servicing, an integral bronze Y-strainer to protect internal components, full-port ball valves, and a compact top-access design for easier maintenance.

Q: Does the 34-375S simplify maintenance?
A: Yes. Its removable pressure vessel and Flush Tool compatibility reduce service time, making testing, flushing, repair, and winterization quicker and more convenient.

Q: Is the Zurn Wilkins 34-375S code compliant?
A: Yes. It meets major industry standards, including ASSE 1013, CSA B64.4, and USC Foundation approval for reduced pressure principle backflow prevention assemblies.

Maintenance Tips
  • Have the assembly tested and inspected annually by a certified backflow tester to ensure proper operation and code compliance.
  • Regularly check for leaks, corrosion, and debris, especially around the relief valve, test cocks, shutoff valves, and integral Y-strainer.
  • Clean the integral strainer and flush the system periodically to prevent debris from affecting performance.
  • Protect the assembly from freezing temperatures by properly winterizing and draining the unit when required.
  • Replace worn seals, O-rings, diaphragms, and internal components with genuine Zurn Wilkins repair kits for reliable performance.
  • After any service or repairs, perform a certified performance test before returning the backflow preventer to operation.
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