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Wilkins 950XLT2 1-inch FNPT double check valve assembly with lead-free bronze body and top-access check covers, side profile view.

Wilkins 950XLT2 1" FNPT Top-Access Double Check Valve

Brand: Zurn Industries, LLC
Save 21%
$679.99
$534.99
SKU 1-950XLT2

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The Wilkins 950XLT2 1" FNPT Double Check Valve Assembly is a testable, lead‑free backflow preventer designed for low‑hazard potable water systems. Its top‑access check covers simplify service and in-line maintenance, while the compact lay length fits standard valve boxes for below‑grade installation.

  • Lead‑free bronze body: ASTM B584 cast bronze construction for corrosion resistance and long service life.
  • Top access design: Two top‑mounted access covers allow quick inspection and repair without removing the unit from the line.
  • Serviceable internals: Replaceable Noryl® seats and silicone seal rings reduce downtime and maintenance cost.
  • Performance ratings: 175 psi maximum working pressure and temperature rating up to 180°F; hydrostatic test to 350 psi.
  • Connections & lay length: 1" FNPT female threaded inlet/outlet with compact lay length to fit standard meter/valve boxes.
  • Certifications: ASSE 1015, IAPMO/cUPC, AWWA C510, CSA/NSF listings where applicable — approved for potable systems.

This assembly protects potable lines from backsiphonage and backpressure in applications where a double‑check is appropriate. Corrosion‑resistant stainless fasteners and springs, full‑port ball valves and protected test cock plugs improve durability and winterization. Download the specification sheet and installation manual linked on the product page for dimensional drawings, parts breakdown and testing procedures.

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Frequently Asked Questions

What size and connection type does this valve use?
This model is a 1" nominal unit with 1" FNPT female threaded inlet and outlet, designed for standard pipe fittings.
What are the working pressure and temperature limits?
Rated for up to 175 psi working pressure and a maximum operating temperature of 180°F; hydrostatic test to 350 psi.
Which materials and replaceable parts are used?
Cast bronze body with replaceable Noryl® seats and silicone seal rings; stainless steel springs and fasteners for corrosion resistance.
Is this suitable for below‑grade installation and easy to service?
Yes — compact lay length fits standard valve boxes and top‑access covers allow in‑line servicing without unit removal.

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