Thread: Zinc Pencil?
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Old 03-15-2011, 08:41 PM
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hanleyclifford hanleyclifford is offline
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I have been running copper exchangers without zincs for 20 years. I have had two failures. In both cases it was the solder that failed and I was able to re-solder the leak in one and the other is awaiting repair. It is the solder that is being protected by the zinc.
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