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Red copper reducing coupling, 3 by 2-1/2 inches, smooth finish

Legend Valve

Legend Valve 450-555 3X21/2 CXC Red Coupling bathware

SKU CH-H4N9-J1E1B

Connects 3-inch to 2-1/2-inch copper pipes with a C x C reducing coupling

  • ColorTransparent
  • Size3" x 2-1/2"
  • TypePipes, Valves & Fittings
  • Copper reducing coupling fits 3" to 2-1/2" pipe
  • C x C sweat connection simplifies installation
  • Transparent finish allows visual joint inspection
  • Lead-free construction meets California Prop 65 requirements
  • New condition ensures reliable performance from first use

Product Purpose

The Legend Valve 450-555 is a copper reducing coupling designed to join two different pipe diameters in plumbing systems. It connects a 3-inch pipe to a 2-1/2-inch pipe using a sweat solder connection on both ends. This fitting is intended for professional installers and experienced DIYers working on residential or commercial water supply lines.

Fit and Limitations

This coupling suits projects that require a straight reduction between the two stated nominal sizes with female sweat ends. It will not work for connections needing threaded adapters, press-fit compatibility, or transitions to dissimilar metals without additional fittings. Buyers who need a larger reduction step, a different end configuration, or a repair coupling with a stop should look at other fitting types.

Deciding Specification

The critical detail is the nominal sizing of 3 inches by 2-1/2 inches with copper C x C sweat ends, which must match the pipes being joined exactly. The body is marked with the manufacturer name and carries a California Proposition 65 warning for chemicals known to cause cancer and reproductive harm. Verify the pipe outer diameters against the 3-1/8 by 2-5/8 inch dimensions before purchasing.

Highlights

  • Copper reducing coupling fits 3" to 2-1/2" pipe
  • C x C sweat connection simplifies installation
  • Transparent finish allows visual joint inspection
  • Lead-free construction meets California Prop 65 requirements
  • New condition ensures reliable performance from first use

Specifications

BrandLEGEND VALVE
ColorTransparent
Size3" x 2-1/2"
TypePipes, Valves & Fittings

Questions about this item

What pipe sizes does the 3 x 2-1/2 inch CXC reducing coupling connect?

The coupling joins a 3 inch copper pipe to a 2-1/2 inch copper pipe using soldered C x C connections on both ends.

How is the Legend Valve 450-555 coupling installed and what step is often missed?

Clean both pipe ends and the fitting sockets, apply flux, insert pipes fully, then heat evenly with a torch until solder flows into the joint; the step often missed is heating both sockets uniformly so the solder draws completely around each connection.

Does the red copper coupling require any maintenance or replacement after installation?

No routine maintenance is needed; a properly soldered copper joint is permanent and only requires replacement if the pipe system is altered or a leak develops from mechanical damage.

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