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Nibco, Inc.

Nibco, Inc. 611RR 5/8X1/2X1/2 5/8" Copper Reducing Tee

SKU CH-P7CW-PTBJR

Connects 5/8-inch copper tube to two 1/2-inch branches for potable water lines

  • Reduces pipe size for flexible plumbing layouts
  • Sweat copper joints create reliable leak-free connections
  • Suitable for potable water supply systems
  • Wrot copper construction resists corrosion over time
  • Model 611 reducing tee fits 5/8 and 1/2 inch tubing

NIBCO 611RR reducing tee

The NIBCO 611RR is a sweat-fitting reducing tee designed for potable-water plumbing systems. It connects a 5/8-inch copper tube on the run to two 1/2-inch copper tubes on the branch, all using cup-style solder joints. The body is manufactured from wrot copper for corrosion resistance and long service life.

Installation and common issues

Clean each tube end and the fitting cups thoroughly before applying flux and solder. The 3/4-inch outer diameter on the 5/8-inch port and 5/8-inch outer diameters on the 1/2-inch ports require precise heat control to avoid overheating the smaller branches. Insufficient cleaning or uneven heating are the most frequent causes of leaky joints.

Suitable applications and limitations

This tee suits residential and light-commercial potable-water installations where a 5/8-inch main line reduces to 1/2-inch outlets. It is not intended for gas, fuel-oil or high-pressure hydraulic systems, and it cannot join dissimilar metals without dielectric isolation. Installers needing press-connect or push-fit ends should select a different fitting style.

Highlights

  • Reduces pipe size for flexible plumbing layouts
  • Sweat copper joints create reliable leak-free connections
  • Suitable for potable water supply systems
  • Wrot copper construction resists corrosion over time
  • Model 611 reducing tee fits 5/8 and 1/2 inch tubing

Specifications

BrandNIBCO

Questions about this item

How do I verify the sweat joints are sound after soldering the 611 reducing tee?

Pressure-test the system and inspect each cup connection for leaks; a properly sweated joint shows a continuous solder fillet around the full circumference of the 5/8" and 1/2" tube entries.

What comes with the 611 reducing tee and what must I supply?

The fitting itself is supplied; you must provide 5/8" and 1/2" copper tube, flux, lead-free solder, and a torch for the sweat connections.

Which 611 reducing tee matches a 5/8" main line branching to two 1/2" outlets?

This 611 reducing tee has a 5/8" nominal run (3/4" OD) and two 1/2" nominal outlets (5/8" OD), matching that exact configuration.

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