Nibco B074650 Cast Copper 90 Degree Union Elbow 1 in

Product Description

The NIBCO B074650 is a cast copper 90 degree union elbow designed for sweat-connect pressure piping systems. It provides a full 90-degree change of direction between two copper pipes using a copper-to-copper (C x C) end connection on both sides. The union design allows the joint to be separated and reassembled without cutting the line, which is a practical advantage during service and repair work. This fitting meets ASTM B584 standards and is suited for residential and light commercial plumbing, hydronic heating, and mechanical piping applications. It is installed by licensed plumbers and pipefitters working with copper pressure systems.

This fitting is used in copper pressure piping systems where a 90-degree directional change is required and where the ability to break and remake the joint without cutting is an operational requirement. Typical installations include domestic hot and cold water supply, radiant and baseboard hydronic systems, and general mechanical piping where 1-inch copper is the specified pipe size. The C x C end connections accept standard 1-inch copper tube for soldering.

Key Features

• 90-degree union elbow configuration allows direction change and joint separation without cutting the line
• Cast copper construction per ASTM B584 for pressure-rated service
• C x C end connections accept standard 1-inch copper tube for sweat soldering
• Pressure fitting style suitable for domestic water, hydronic, and mechanical piping
• Meets ASTM B584 and ISO standards

Compatibility

Designed as an OEM-style pressure fitting replacement or new-installation component for 1-inch copper tube pressure piping systems using sweat (solder) end connections.

Installation Notes

Installation is performed by a licensed plumber or pipefitter. Shut off the water supply and depressurize the line before beginning work. Clean and flux all mating surfaces before soldering in accordance with standard copper sweat-joint procedure and applicable IPC or local plumbing code requirements. Do not apply heat to a pressurized or water-filled line.