First you will want to coat the dielectric fitting with pipe tape.
Galvanized pipe to copper.
It s far easier to make a repair to steel pipe with copper than with galvanized plumbing pipe because the galvanized calls for cutting threads on exact lengths of pipe.
Plumbing pipes such as pex copper and pvc are normally used depending on their application and the location in which they are installed.
Step 1 tape the dielectric fitting.
Copper pipes are biostatic and inhibit the growth of bacteria.
This eventually causes pipe degradation and leakage.
When connecting a copper pipe fitting to a galvanized steel pipe you must use a dielectric fitting.
You don t need to wrap plumbing tape around the union before you screw it together.
Benefits of galvanized pipes.
Copper plumbing is lead free making it safer than galvanized pipe.
Find the area where pipes enter your home and carefully scratch the pipe with a nickel.
The dielectric fittings commonly available in home centers photo 1.
Copper is the material most often used by today s home builders and homeowners when installing plumbing.
Let s see below the best application for the most common used plumbing pipes.
This fitting joins a copper pipe to a galvanized pipe called a union.
The fitting is generally made of galvanized steel and bronze.
If the copper and galvanized pipes aren t the same diameter solder a reducing coupling to the copper pipe.
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.
If the surface of the pipe is the color of a penny then the pipe is probably made from copper.
Galvanized steel pipes on the other hand are a steel gray color.
Also there are some other plumbing pipe types such as black galvanized and brass.
Copper pipe is available in small diameters for installation in tight spaces.
Solder the brass half to the copper pipe thread the steel half onto the galvanized steel pipe with teflon tape then join the two together tightly with the joining nut.
