We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in

Nibco, Inc.

Nibco, Inc. 611R Copper Reducing Tee 1/4 x 1/4 x 5/16

SKU CH-RXHJ-AEVW4

A copper reducing tee joins 1/4 in and 5/16 in tubes for potable water systems

  • Reduces pipe diameter from 1/4 in to 5/16 in for flexible plumbing layouts
  • Sweat-cup connections on all three ends create leak-resistant solder joints
  • Wrot copper construction resists corrosion in potable water systems
  • Compact tee design fits tight spaces while maintaining full flow
  • Model 611R identifies the fitting for quick reordering and inventory tracking

Copper Reducing Tee for Plumbing

This Nibco 611R reducing tee joins three copper tubes in a potable-water system. The fitting uses sweat connections on all three outlets for permanent soldered joints. It is made from wrot copper and suits new installations or repairs.

Sweat Connections and Wrot Copper Build

All three ports accept cup-style sweat fittings so the installer solders directly to the tube. The wrot copper body resists corrosion in potable water and handles typical household pressures. The reducing layout lets you step from 1/4 in to 5/16 in tube sizes without extra adapters.

Limits of the Sweat-Fit Standard

Sweat joints require clean tube ends, flux and a torch, so the method is slower than press or push-fit alternatives. The joint is permanent; disassembly means cutting the tube. The fitting is restricted only by local plumbing codes that may limit copper use in certain applications.

Highlights

  • Reduces pipe diameter from 1/4 in to 5/16 in for flexible plumbing layouts
  • Sweat-cup connections on all three ends create leak-resistant solder joints
  • Wrot copper construction resists corrosion in potable water systems
  • Compact tee design fits tight spaces while maintaining full flow
  • Model 611R identifies the fitting for quick reordering and inventory tracking

Specifications

BrandNIBCO

Questions about this item

What copper tube sizes does the sweat fitting tee connect?

The reducing tee joins Side A and Side B at 1/4 in copper tube size and Side C at 5/16 in copper tube size.

What outside diameters must the copper tubes match for a proper sweat joint?

Side A and Side B require 3/8 in tube outer diameter; Side C requires 7/16 in tube outer diameter.

How is the wrot copper tee installed, and what step is often missed?

Clean each tube end and fitting cup, apply flux, insert tubes fully, then heat evenly and feed solder until the joint shows a complete fillet around each cup.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.