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Wilkins 700 dual check backflow valve, 3/4" FNPT union inlet x 3/4" FNPT outlet, low‑lead bronze body, front angle view showing union connection

Wilkins 700 Dual Check Valve 3/4" FNPT Union x FNPT

Brand: Zurn Industries, LLC
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$96.87
$72.66
SKU 34UFX34F-700

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The Wilkins 700 Dual Check Valve is a compact, non-testable backflow preventer designed for low-hazard potable water applications. It protects supply lines from backsiphonage and backpressure using two in-line check modules housed in a corrosion-resistant low-lead bronze body.

  • Connection: 3/4" female union inlet x 3/4" female NPT outlet (FNPT union x FNPT) for easy installation.
  • Construction: Low-lead bronze body with stainless steel springs and corrosion-resistant internal components.
  • Performance: Rated to 175 psi maximum working pressure and 180°F maximum operating temperature.
  • Certifications: ASSE listed and CSA certified; conforms to NSF/ANSI requirements for potable water components.
  • Service: Designed for low-hazard, non-potable protection where a fully testable assembly is not required.
  • Size & fit: Compact 4.5" length fits horizontal or vertical installations where unit remains unsubmerged.

Includes durable cartridge-style internal checks and Delrin/Noryl seats for reliable operation. Suitable for irrigation isolation, hose bib protection, and other applications requiring basic backflow prevention. Refer to the included specification and installation documents for part-specific installation guidance and repair parts.

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Frequently Asked Questions

What size connections does this valve use?
This model uses a 3/4" female union inlet and a 3/4" female NPT outlet (FNPT union x FNPT).
Is the Wilkins 700 field testable?
No. The Series 700 is a non-testable dual check designed for low-hazard applications where formal field testing is not required.
What are the pressure, temperature and certification ratings?
Rated to 175 psi and 180°F; ASSE listed and CSA certified, and meets NSF/ANSI potable component requirements.

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