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  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...
  2. General Plumbing Discussion
    Tell me how a copper FIP to a dielectric nipple is a reliable connection in the plumbing industry when every single one I've removed always has buildup that is flow restricting and severe deterioration of the beginning threads of the dielectric nipple. I've noticed they've changed the material...
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