1-1/2 inch Copper Adapter Fitting x Male

1-1/2” Copper Male Adapter – Transition Fitting for Potable Water and Hydronic Systems

The 1-1/2” copper male adapter is a transition fitting used to join copper tube to threaded pipe or components. Designed for solder or brazed connections on the sweat end and male NPT threading on the opposite end, this fitting enables seamless transitions between copper tube and threaded brass, bronze, or galvanized pipe fittings in residential, commercial, and institutional systems.

Manufactured from lead-free wrought copper, this adapter complies with NSF/ANSI standards for potable water applications and supports integration into new construction, remodels, or mechanical retrofits.

Product Specifications

• Material: Lead-free wrought copper (typically UNS C12200)
• Nominal Size: 1-1/2”
• End Connections: Female solder socket x Male NPT thread
• Standards: Complies with ASME B16.22, NSF/ANSI 61 & 372
• Application Type: Potable water, chilled water, hydronic heating, and low-pressure systems

Application Areas

• Domestic water supply and branch piping
• Hydronic heating system circuits
• Transition points to threaded valves or equipment
• Plumbing manifolds and riser stubs

Installation Guidelines

The copper end of the adapter is joined to copper tubing via soldering using lead-free solder or approved brazing alloy. The threaded male end must be sealed with PTFE tape or thread sealant and hand-tightened, followed by wrench adjustment to ensure full engagement without over-torquing. Proper joint preparation—cleaning, fluxing, and alignment—is critical to long-term performance and code compliance.

Code Compliance

This fitting meets lead-free requirements defined under the U.S. Safe Drinking Water Act and is suitable for use in systems governed by the IPC, UPC, and local plumbing codes. It may be used in pressure-rated hot and cold water installations in both aboveground and accessible concealed locations.

Performance Summary

The 1-1/2” copper male adapter provides a durable, code-approved solution for joining copper tubing to threaded components. Its precise machining and corrosion-resistant construction support leak-free operation across a wide range of fluid handling systems.