An overview of the various joints commonly used to connect copper, steel and plastic pipe.
Most plumbing codes will refer to recognized standards that govern the methods and materials used to fabricate each type of joint. The selection of the joining methods will be determined by the type of pipe used, the type of fittings available for the pipe, the highest pressure expected in the system, and the possible need for disassembly. This article will concentrate on commonly used interior water pipe and the various joints used to connect them.