Brass is a copper zinc alloy so a brass nipple qualifies as a type of copper alloy fitting that is cited as acceptable by the code.
Dielectric union copper to galvanized.
Use in hot water storage tanks hvac units and steam gas and water piping.
Plastic liner in this dielectric fitting provides a greater degree of separation to keep the dissimilar metals from corroding.
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.
I have a home that is 7 yrs old in burleson tx.
We are on a co op water.
Unions separate into three pieces for easy access to your line.
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.
For technical drawings and 3 d models click on a part.
1 turn off the water to your plumbing pipes before.
This fitting joins a copper pipe to a galvanized pipe called a union.
Dielectric unions resist corrosion and deterioration when joining pipes made from dissimilar metals.
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.
You ll need basic plumbing skills and tools but the most important item you ll need is a dielectric fitting.
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.
While a dielectric union shown above provides a break in electrical conductivity that theoretically would be best most plumbers prefer a brass fitting.
Was the lack of a dielectric union to connect copper to galvanized steel a code violation in 2005 chicago il.
Each includes a union nut 2 tailpieces and gasket.
Copper tube size is the accepted designation of the copper tubing industry not the actual tube od.
