Dielectric Union Copper To Galvanized

Union adapters for galvanized steel threaded pipe join copper tubing to galvanized threaded connections on hot water heaters.

Dielectric union copper to galvanized.

This fitting joins a copper pipe to a galvanized pipe called a union. Was the lack of a dielectric union to connect copper to galvanized steel a code violation in 2005 chicago il. 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. Copper tube size is the accepted designation of the copper tubing industry not the actual tube od.

Dielectric unions resist corrosion and deterioration when joining pipes made from dissimilar metals. We are on a co op water. 1 turn off the water to your plumbing pipes before. Use in hot water storage tanks hvac units and steam gas and water piping.

I have a home that is 7 yrs old in burleson tx. You ll need basic plumbing skills and tools but the most important item you ll need is a dielectric fitting. 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. Pinhole in copper water pipe under the slab.

So the cold water pipe rusted caused a water leak and a lot of damage to my house. It is installed between pipes made from dissimilar metal. Installing a dielectric union to join these as well as other galvanized pipes in your house to copper requires both wrench and soldering work. For technical drawings and 3 d models click on a part.

While a dielectric union shown above provides a break in electrical conductivity that theoretically would be best most plumbers prefer a brass fitting. Each includes a union nut 2 tailpieces and gasket. Plastic liner in this dielectric fitting provides a greater degree of separation to keep the dissimilar metals from corroding. Unions separate into three pieces for easy access to your line.