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Small copper reducing tee with three sweat cup connections in a T shape

Nibco, Inc.

Nibco, Inc. 611RR 1/4x1/8x1/4 Copper Reducing Tee

SKU CH-M9ZJ-W4M9G MPN 611RR

A copper reducing tee joins 1/4", 1/8" and 1/4" tubes for potable-water sweat connections

  • Product typeDrain Components
  • Main materialHAWA
  • Reduces copper tube size for flexible plumbing layouts
  • Wrot copper construction resists corrosion in potable water systems
  • Sweat fitting design creates permanent leak-free joints
  • Three cup connections simplify multi-direction pipe routing
  • New condition ensures clean surfaces for reliable soldering

Copper Reducing Tee, Sweat Fitting

This Nibco 611RR copper reducing tee joins three sweat connections in a T configuration. The run measures 1/4 inch nominal tube size on both ends while the branch reduces to 1/8 inch nominal. Wrot copper construction suits potable water systems.

Installers needing a 1/4-to-1/8-inch reduction

Plumbers and HVAC technicians making a sweat joint with this exact size transition will find the part fits directly. Projects requiring a different nominal size combination, a threaded connection, or a non-reducing tee cannot use this fitting.

Reducing tee with 1/4, 1/8, 1/4 nominal sizes

The defining specification is the nominal tube size sequence: 1/4 inch on the run ends and 1/8 inch on the branch. Matching these three dimensions to the piping plan confirms the correct component.

How it compares

Measured against everything we stock in Drain Stoppers, Strainers & Traps, at today’s prices. Recalculated every night.

Price $6.99
Cheaper than about 90% of the 4,240 comparable items (median $31.99).

Specifications

Product
Brand nameNibco
Model name611RR 1/4 × 1/8 × 1/4
Product typeDrain Components
Size & build
Main materialHAWA

Questions about this item

What copper tube sizes does the 611RR reducing tee connect?

The 611RR reducing tee connects 1/4 in copper tube on side A, 1/8 in on side B, and 1/4 in on side C.

What are the tube outer diameters for each port on this fitting?

Side A and side C have a 3/8 in outer diameter; side B has a 1/4 in outer diameter.

How is this copper tee installed and what common step is missed?

It is a sweat fitting, so clean the tube ends and fitting cups, apply flux, assemble, then heat evenly and feed solder until the joint is full; the step often missed is heating the fitting cup, not just the tube.

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