How to Connect Galvanized Steel Pipe to a Copper Pipe Fitting
Aug 10 2010 & 0183;& 32;When connecting a copper pipe fitting to a galvanized steel pipe you must use a dielectric fitting. This will keep the water from creating an electric current and causing corrosion and leaks. Step 1 - Tape the Dielectric Fitting. First you will want to coat the dielectric fitting with pipe tape.