Tag: dielectric unions

Galvanic Corrosion In Plumbing (Causes And Fixes)

You find a slow drip under the water heater, then notice a crusty blue-green ring where a copper line meets an older galvanized fitting. The joint may look like the obvious culprit, but the visible leak is often the last stage of a problem that has been developing inside the connection for a long time. […]

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