A.y. Mcdonald 5426-001 Push-on Removable Coupling 3/4 in Cts

Product Description

The A.Y. MCDONALD 5426-001 is a 3/4-inch CTS push-on removable coupling designed for use in copper tube size piping systems. Built from solid brass, this fitting accepts standard 3/4-inch CTS tubing and locks in place with a push-on connection that can be removed when needed, making it a practical choice for repairs and installations where future serviceability matters. At 0.25 pounds, it is a compact, lightweight fitting suited for professional plumbing work. Licensed plumbers and pipefitters install this type of coupling in both new construction and retrofit applications.

This coupling is intended for 3/4-inch CTS piping systems commonly found in residential and light commercial plumbing installations. The push-on, removable design allows for quick connections without soldering, threading, or crimping tools, which reduces labor time in tight spaces or time-sensitive repair scenarios. It is well suited for water supply lines where CTS tubing is the standard pipe format.

Key Features

• Push-on connection requires no soldering, threading, or crimping
• Removable design allows disassembly and reuse when needed
• Solid brass construction for durability in potable water applications
• Fits standard 3/4-inch CTS tubing
• Lightweight at 0.25 pounds for easy handling in confined spaces

Compatibility

Designed as an OEM-style replacement and general-use fitting for 3/4-inch CTS copper tube size plumbing systems.

Installation Notes

Installation should be performed by a licensed plumber in accordance with applicable local plumbing codes and the IPC. Shut off the water supply and relieve system pressure before making or breaking any connection. Ensure the tubing end is cut cleanly and squarely and is free of burrs before inserting into the fitting. To remove the coupling, use the appropriate disconnect tool or follow the manufacturer removal procedure to avoid damaging the tubing or internal grab ring.

Technical Specifications

• Fitting Size: 3/4 inches
• Connection Type: Push-On, Removable
• Tube Standard: CTS (Copper Tube Size)
• Fitting Material: Brass
• Weight: 0.25 pounds

Standard Information

• Brand: A.Y. MCDONALD
• Manufacturer Part Number: 5426-001