Mueller Streamline W 01378 Copper Bushing 3x1.5 Inch Cxc

Product Description

The MUELLER STREAMLINE w 01378 is a wrought copper external reducing bushing with a CxC (copper by copper) end connection, designed for use in pressure piping systems where a reduction from a 3-inch line to a 1-1/2-inch line is required. This type of fitting is a standard component in plumbing, hydronic heating, and mechanical piping systems. It is installed by licensed plumbers and pipefitters working on residential and light commercial copper pipe assemblies. The wrought copper construction provides consistent wall thickness and reliable joint integrity when soldered or brazed.

This external bushing fits into a 3-inch copper fitting or pipe socket on one end and accepts a 1-1/2-inch copper pipe on the other, allowing a branch or main line to be reduced without the need for a coupling and separate reducer. It is commonly used in water supply, HVAC hydronic circuits, and general mechanical piping where copper is the specified material. Both ends are designed for solder-joint connection per industry-standard practice.

Key Features

• Wrought copper construction for consistent dimensional tolerance and strong brazed or soldered joints
• External bushing profile reduces from 3 inches to 1-1/2 inches in a single fitting
• CxC end connections compatible with standard copper tube and fittings
• Suitable for water supply, hydronic heating, and general mechanical piping applications
• Conforms to wrought copper fitting standards for pressure piping service

Compatibility

Designed as an OEM-style replacement and standard-service fitting for use with 3-inch x 1-1/2-inch CxC copper piping systems in residential and commercial plumbing and mechanical applications.

Installation Notes

Installation should be performed by a licensed plumber or pipefitter in accordance with applicable local plumbing codes and ASME B16.22 standards for wrought copper fittings. Shut off and drain the affected piping system completely before cutting or disassembling any connections. Surfaces must be cleaned and fluxed before soldering or brazing per standard copper joining procedures. Do not overtighten or force-fit connections, as wrought copper fittings rely on proper joint preparation for a leak-free seal.

Technical Specifications

• Connection Type: CxC (Copper by Copper solder joint)
• Inlet Size: 3 inches
• Outlet Size: 1-1/2 inches
• Fitting Style: External Bushing
• Material: Wrought Copper

Standard Information

• Brand: MUELLER STREAMLINE
• Manufacturer Part Number: w 01378