Product Overview

The 3/4" Black Iron Union Fitting joins two lengths of 3/4-inch black iron pipe and allows the connection to be taken apart later without cutting or unthreading the pipe run, which makes it useful when equipment may need to be removed for service.

Ideal For

3/4" black iron pipe runs

Connections at equipment that may need to be disconnected for service

Repairing or modifying existing 3/4" black iron piping

Key Features

3/4-inch size: for 3/4" black iron pipe.

Union design: so the joint can be separated without disturbing the rest of the pipe run.

Black iron: construction.

Specifications

Warranty & Compatibility

Compatibility Notes

For use with 3/4" black iron pipe and fittings. Confirm the pipe size and connection type of your existing piping before ordering.

Installation Notes

Install according to local plumbing and fuel gas codes using an appropriate thread sealant. Gas piping work should be done by a qualified, licensed professional, and all joints should be leak-tested before use.

Customer-Facing Q&A

Q: What size is this union?
A: It is a 3/4-inch fitting for 3/4" black iron pipe.

Q: Why use a union instead of a coupling?
A: A union can be taken apart later, which makes it easier to remove connected equipment for service.

Q: What material is it?
A: Black iron.