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What is the purpose of a dielectric union in a plumbing system?

Retry Correct Incorrect A dielectric union is a critical plumbing fitting that joins pipes of different metals, such as copper and steel while preventing galvanic corrosion. It has insulating materials to separate dissimilar metals, ensuring the integrity and longevity of the plumbing system.

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Rawpixel/EnvatoElements

What is the purpose of a dielectric union in a plumbing system?

• To prevent freezing in cold climates
• To connect pipes of the same material
• To reduce water pressure
• To prevent corrosion between different metals