Galvanized Pipe To Copper Transition

This eventually causes pipe degradation and leakage.

Galvanized pipe to copper transition. Plastic pipes are usually black and clamps should be visible. Install the lower half of the dielectric union to steel 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. Wrap threads on end of the steel pipe with teflon tape.

The problem with galvanized pipe is that it reacts with the minerals in the water supply. The fitting is generally made of galvanized steel and bronze. Cut copper pipe just above the corroded connection using a tubing cutter. The inside of galvanized pipes gets thinner over the years.

If the surface of the pipe is the color of a penny then the pipe is probably made from copper. It might be a transition from threaded galvanized water pipes to copper pipes or from old cast iron sewer lines to today s abs. Benefits of galvanized pipes. You don t need to wrap plumbing tape around the union before you screw it together.

And the male ends where the threads were cut into can become so thin that they leak when you try to screw on a new female fitting over the end of them. 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. Eventually galvanized pipe will have to be replaced and when that happens your choices are to replace it with more galvanized pipe copper pipe or plastic pipe. So try to make the transition at an existing female fitting.

Tighten first with pliers then with pipe wrench. Use two pipe wrenches to loosen the old union. Galvanized steel pipes on the other hand are a steel gray color. If the copper and galvanized pipes aren t the same diameter solder a reducing coupling to the copper pipe.

This fitting joins a copper pipe to a galvanized pipe called a union. Find the area where pipes enter your home and carefully scratch the pipe with a nickel. Making the connection between plastic pipes such as abs or. Remove the old union from the steel pipe.