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3-inch copper coupling with smooth metallic finish

Legend Valve

Legend Valve 450-510 3" Copper Coupling bathware

SKU CH-EBGZ-SWSFA

3-inch copper coupling joins pipes in plumbing systems with secure C x C connection

  • Size3 in × 3-1/8 in
  • Product colorTransparent
  • Product typePipes, Valves & Fittings
  • 3-inch copper coupling fits standard C x C plumbing connections
  • Transparent finish allows visual inspection of joint integrity
  • Legend Valve brand manufactured for reliable bathware installations
  • California Proposition 65 warning indicates chemical hazard awareness required
  • Free shipping threshold at $75 applies to manufacturer-direct orders

Product identity

The Legend Valve 450-510 is a 3-inch copper coupling designed for joining two copper pipes of the same diameter in residential or commercial plumbing systems. It serves installers and maintenance teams who need a reliable sweat connection for water supply lines.

Sustained-load behaviour

The copper construction resists corrosion and handles continuous water pressure and temperature cycling without degrading. The fitting maintains a permanent, leak-free joint once properly soldered, unlike mechanical couplings that may loosen over time.

Deciding specification

This coupling fits a 3-inch inside diameter and 3-1/8-inch outside diameter pipe, so it only works where both pipes match those exact dimensions. Buyers with different pipe sizes or who need a reducing coupling must select another fitting.

How it compares

Measured against everything we stock in Bath Accessories & Soap Dispensers, at today’s prices. Recalculated every night.

Price $27.99
Cheaper than about 62% of the 1,499 comparable items (median $39.99).

Specifications

Product
Brand nameLEGEND VALVE
Product colorTransparent
Product typePipes, Valves & Fittings
Size & build
Size3 in × 3-1/8 in

Questions about this item

Does the 3" copper coupling generate any noise, heat or power draw when installed in a plumbing system?

The coupling is a passive copper fitting with no moving parts, so it produces no noise, no heat and draws no power during continuous use.

What existing pipework must already be in place for this C x C coupling to work?

You need two lengths of 3" copper pipe ready for sweat-solder connection; the coupling joins them directly without adapters.

Will this 3" coupling fit alongside older copper pipe of the same nominal size already in the wall?

Yes, it matches standard 3" copper tubing dimensions (ID 3", OD 3-1/8"), so it connects to existing pipe of that size.

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