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Copper reducing tee fitting with three sweat connections, reddish metallic finish

Nibco, Inc.

Nibco, Inc. 611 Copper Reducing Tee coupling

SKU CH-WK4A-7C0DR

Connects three-inch and three-quarter-inch copper tubes in a sweat fitting tee for potable water systems

  • Reducing tee joins 3 in and 3/4 in copper lines
  • Sweat cup connections create permanent leak-tight joints
  • Wrot copper construction resists corrosion in potable water
  • 3 in run with 3/4 in branch fits supply-to-fixture layouts
  • Model 611 copper reducing tee for plumbing installations

611 copper reducing tee for potable water

This NIBCO 611 copper reducing tee connects three sweat-fitting ends in a single junction. The run measures three inches on both straight ports while the branch reduces to three-quarter inch. Wrot copper construction suits potable water systems in residential and commercial plumbing. Installers needing a durable, lead-free transition between large and small copper lines will find this fitting appropriate.

Sweat connections handle heat without degradation

Each port uses a cup-style sweat connection that forms a permanent, leak-resistant joint when soldered. Copper conducts heat evenly during installation and resists corrosion in normal water service. No mechanical seals or gaskets are present to wear out, so the joint remains tight through thermal cycling and pressure variation.

Wrot copper body resists dezincification and stress

The one-piece wrot copper body eliminates porous castings and provides consistent wall thickness across all three ports. Reducing geometry allows direct step-down from three-inch mains to three-quarter-inch branches without extra couplings. Sweat ends require clean tube ends and flux, so installers must allow workspace for torch access around the larger diameters.

Highlights

  • Reducing tee joins 3 in and 3/4 in copper lines
  • Sweat cup connections create permanent leak-tight joints
  • Wrot copper construction resists corrosion in potable water
  • 3 in run with 3/4 in branch fits supply-to-fixture layouts
  • Model 611 copper reducing tee for plumbing installations

Specifications

BrandNIBCO

Questions about this item

How do I install the NIBCO 611 reducing tee with 3 in and 3/4 in copper tube sizes?

Clean the 3 1/8 in and 7/8 in tube ends, apply flux, insert fully into each cup, then sweat the joints with a torch; the step often missed is ensuring full insertion before heating so solder draws completely around the joint.

What maintenance will the wrot copper reducing tee need over time?

Inspect the sweat joints periodically for green corrosion or slow leaks; if a joint weeps, drain the line, reheat, add flux and solder, or replace the tee — no internal parts require service.

What is the first limit that appears under sustained hot-water use?

The copper material handles typical potable-water temperatures, but prolonged exposure near its annealing point can soften the fitting and reduce joint strength, so keep operating temperatures within normal plumbing limits.

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