Dielectric Union Copper To Galvanized

So the cold water pipe rusted caused a water leak and a lot of damage to my house.

Dielectric union copper to galvanized. Whenever you join copper water lines to galvanized steel pipe you should be concerned about the corrosion caused by joining two dissimilar metals called galvanic corrosion. It is installed between pipes made from dissimilar metal. Plastic liner in this dielectric fitting provides a greater degree of separation to keep the dissimilar metals from corroding. Use in hot water storage tanks hvac units and steam gas and water piping.

Union adapters for galvanized steel threaded pipe join copper tubing to galvanized threaded connections on hot water heaters. We offer dielectric unions in a range of configurations sizes and materials. 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. I have a home that is 7 yrs old in burleson tx.

For technical drawings and 3 d models click on a part. When water flows through pipes of two different metals the pipes will become eroded by electrical impulses from the slight acidity found in all water sources. Dielectric unions resist corrosion and deterioration when joining pipes made from dissimilar metals. Pinhole in copper water pipe under the slab.

We are on a co op water. Installing a dielectric union to join these as well as other galvanized pipes in your house to copper requires both wrench and soldering work. Unions separate into three pieces for easy access to your line. While a dielectric union shown above provides a break in electrical conductivity that theoretically would be best most plumbers prefer a brass fitting.

Copper tube size is the accepted designation of the copper tubing industry not the actual tube od. Was the lack of a dielectric union to connect copper to galvanized steel a code violation in 2005 chicago il. 1 turn off the water to your plumbing pipes before. You ll need basic plumbing skills and tools but the most important item you ll need is a dielectric fitting.