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galvanized corrosion

  1. Plumbing Code
    And people wonder why I use 3/4DUF's on water heater replacements. :blink: Even the defective thermal expansion tank, the innards of the 3/4FIP was corroded almost shut, even though the copper was not harmed. This is a legal connection in the state of KY, and I constantly see this type of...
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