5 days ago · A dielectric union in plumbing stops two dissimilar metals from touching each other and corroding. The rubber gasket inside the dielectric union blocks the electrolysis process caused by the water traveling through the metal pipes.

Feb 28, 2017 · Dielectric plumbing connectors: this article describes the building code and practical requirements for a dielectric fitting when connecting copper piping to steel pipes or steel fittings such as at the top of a water heater.

Feb 4, 2021 · One of the most common places to find rust and corrosion in any home is right above a water tank where the dielectric unions should be installed. A dielectric union is a plumbing fitting that is meant to join two dissimilar metal pipes so they don’t experience a galvanic reaction and begin to rust.

Dielectric Unions are used in commercial and residential applications to prevent accelerated corrosion and deterioration in the piping system due to galvanic and stray current. It is installed between pipes made from dissimilar metal. We offer dielectric unions in a range of configurations, sizes, and materials.

Ideal for plumbing applications, if a piping system features any connections containing various metals, dielectric unions will maintain their integrity. These unions also play a part in power generation, particularly with gas and steam turbines, and natural gas processing.

Choose from our selection of dielectric pipe fittings, including medium-pressure pipe fittings, press-connect fittings, and more. Same and Next Day Delivery.

As part of the heart of plumbing, pipe fittings are very important to the quality of a structure’s plumbing system. Knowing this, A.Y. McDonald Mfg. Co. has invested a lot of efforts into providing the most efficient and versatile dielectric unions found in the industry.

A dielectric union is a special adapter or fitting utilized in the piping systems of various metals to isolate the connection of the dissimilar metals. For instance, when linking a copper pipeline to a galvanized iron pipe, a dielectric union is set up between the two to hold the two different metal pipelines together.

May 16, 2024 · Dielectric unions are used when laying out the plumbing system of new construction, or when adding fixtures to the plumbing system, such as a new water heater or sink. It's important to plan ahead on a plumbing project and figure out …

PLUMBFLEX 3/4 in. Fip Threaded Dielectric Union Zinc Coated Steel x Brass Bronze Union Fitting