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Four-inch brass swing check valve with threaded connections

Legend Valve

Legend Valve 105-111NL 4" T-451 Check Valve

SKU CH-4QDJ-CZ33B

Four-inch no-lead brass swing check valve prevents backflow in plumbing systems

  • No-lead brass construction eliminates lead exposure
  • 4-inch T-451 design suits large-diameter plumbing lines
  • Swing-check mechanism prevents reverse flow automatically
  • California Prop 65 warning discloses cancer-risk chemical
  • California Prop 65 warning discloses reproductive-harm chemical

4" T-451 No Lead Brass Swing Check Valve

The Legend Valve 105-111NL is a 4-inch swing check valve manufactured from no-lead brass. It prevents reverse flow in potable water and general plumbing systems. The valve meets California Proposition 65 requirements with appropriate warnings. It is supplied new for residential and commercial installations.

Horizontal or vertical flow orientation

The valve installs in horizontal or vertical piping with the flow arrow pointing in the correct direction. No lead brass construction allows use in drinking water applications. The swing disc opens under forward pressure and closes automatically when flow stops or reverses. No external power or control wiring is required for operation.

Plumbers needing a no-lead brass check valve

This product suits installers who require a 4-inch no-lead brass swing check valve for potable water lines. It is not intended for applications needing a spring-loaded, silent or lift-check design. Buyers who want a different body material, end connection type or pressure rating should look at alternative valve models.

Highlights

  • No-lead brass construction eliminates lead exposure
  • 4-inch T-451 design suits large-diameter plumbing lines
  • Swing-check mechanism prevents reverse flow automatically
  • California Prop 65 warning discloses cancer-risk chemical
  • California Prop 65 warning discloses reproductive-harm chemical

Specifications

BrandLEGEND VALVE

Questions about this item

What is the maximum size this 4" T-451 check valve can handle in a plumbing system?

The valve is built for four-inch pipe connections and uses no-lead brass construction for potable water lines.

How much noise or vibration does the swing mechanism create during continuous flow?

The swing-check design allows smooth opening and closing, reducing water hammer and operational noise in daily use.

Which pipe fittings or adapters are needed to install this valve on existing copper or PVC lines?

Standard four-inch threaded or solder-compatible fittings match the valve ends for direct installation.

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