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Front-angle photo of Wilkins 112-850T 1-1/2" full-port tapped ball valve, lead-free bronze body, quarter-turn handle and threaded FNPT connections visible.

Wilkins 112-850T 850T Full-Port Bronze Ball Valve 1-1/2"

Brand: Zurn Industries, LLC
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$362.62
$271.97
SKU 112-850T
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The Wilkins 112-850T (850T series) is a full-port, tapped ball valve engineered for reliable shutoff and flow control in residential, commercial, and light industrial backflow assemblies. Built for installers and maintenance professionals, this valve combines durable lead-free bronze construction with a low-resistance full-port bore to minimize pressure loss and permit straightforward servicing.

  • Size & connections: 1-1/2" FNPT tapped (female) connections designed for direct installation on compatible Wilkins backflow assemblies.
  • Materials: Lead-free bronze body with corrosion-resistant trim and PTFE seats for long service life in potable water systems.
  • Performance: Rated to 400 psi maximum working pressure, suitable for domestic and commercial water, air and non-corrosive gas applications.
  • Operation: Quarter-turn full-port ball design provides quick shutoff and minimal flow restriction.
  • Compatibility & lifecycle: Commonly used with Wilkins 975XL and other small-diameter backflow units; note that the 850 series is being succeeded by 850XL variants in some applications.

Documents: Specification sheets and accessory catalogs are available for installers; consult manufacturer literature for installation, replacement parts, and dimensional details.

This valve is intended for professional installation. Verify compatibility with your backflow assembly and local plumbing codes before installing. Replacement parts and repair kit references are listed in the Wilkins repair kits guide and product literature.

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Frequently Asked Questions

What is the maximum working pressure for this valve?
The 112-850T is rated to 400 psi maximum working pressure, suitable for most residential and commercial water systems.
What connection type and size does the 112-850T use?
This model uses 1-1/2" FNPT tapped (female) connections and a full-port bore for low flow restriction.
Is the 850T compatible with Wilkins 975XL backflow assemblies?
Yes. The 112-850T is the tapped ball valve used on small Wilkins backflow units such as the 975XL; confirm fit before installing.

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