What is galvanic action in plumbing?

Galvanic action in plumbing is a type of corrosion that occurs when two different metals are in contact with each other in the presence of an electrolyte, such as water. When this occurs, an electrochemical reaction takes place that can cause one metal to corrode more quickly than it would on its own.

In plumbing, galvanic action can occur when different types of metal pipes or fittings are joined together, such as copper and steel or copper and brass. This can cause corrosion and eventual failure of the pipes or fittings.

To prevent galvanic action in plumbing, it is important to use compatible materials when joining pipes and fittings. The use of a dielectric union or a plastic fitting between two dissimilar metals can also prevent galvanic corrosion. It is also important to ensure that the plumbing system is properly grounded to prevent electrical currents from causing corrosion.

If you suspect galvanic action in your plumbing system, it is important to seek professional advice and assistance to identify the cause and determine the best course of action to prevent further corrosion and damage.

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