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Gray cast iron reducing coupling 2 inch by 6 inch socket ends

Zoro Select

Zoro Select 222152 Reducing Coupling 2" x 6" Pipe

SKU CH-6346-X17RK

A 2-inch to 6-inch cast iron reducing coupling with socket connections joins different pipe sizes

  • Connects 2" and 6" pipes with socket ends
  • Cast iron construction with bitumen coating for durability
  • Class 20 rating for standard plumbing applications
  • Straight reducing coupling design simplifies installation
  • Zero pressure rating suits gravity-flow systems only

Zoro Select 222152 Reducing Coupling 2" x 6" Pipe

This new Zoro Select 222152 reducing coupling joins a two-inch pipe to a six-inch pipe. Cast iron construction with bitumen coating provides corrosion resistance for plumbing installations. The Class 20 grey cast iron body uses socket connections on both ends.

Builders joining two-inch and six-inch pipes

Suits installers connecting dissimilar pipe diameters in drainage or low-pressure systems. Not for applications requiring a pressure rating above zero psi. Buyers needing threaded, flanged or compression joints should look at other fitting types.

Class 20 grey cast iron with bitumen coating

The material specification determines suitability for soil, waste or vent lines where pressure is not a factor. Zero psi maximum operating pressure means this coupling cannot be used in pressurised circuits. Socket dimensions are fixed at two inches and six inches nominal.

How it compares

Measured against everything we stock in Garden Hoses & Pipe Tubing, at today’s prices. Recalculated every night.

Price $51.99
Pricier than about 76% of the 973 comparable items (median $21.99).

Specifications

Product
Brand nameZORO SELECT

Questions about this item

What size pipe do I need on the smaller end to match the 2-inch socket on this coupling?

The smaller socket accepts a 2-inch pipe with an outside diameter of 2 13/32 inches.

Can I connect this cast-iron coupling to older galvanized steel pipe threads?

No, both ends are plain sockets for solvent welding or mechanical joints, not threaded connections.

How can I confirm the joint is sealed once the pipes are inserted?

Press each pipe fully into its socket until it bottoms out, then pressure-test the line at the system's working pressure.

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