In a water supply system, a special type of adapter (such as a union) used to connect a pipe containing copper with a pipe containing iron; used between dissimilar metals to prevent galvanic action from causing corrosion failure.
In a water supply system, a special type of adapter (such as a union) used to connect a pipe containing copper with a pipe containing iron; used between dissimilar metals to prevent galvanic action from causing corrosion failure.