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Posted by Harold hydronicnetwork.net on December 28, 2003 at 18:04:21:
In Reply to: Do I need antifreeze in my boiler posted by Darek on December 28, 2003 at 15:48:29:
If the water is circulating it is not necessary. After the water stops circulating it is too late and expensive repairs follow. So rather than view it as a necessity, view antifreeze as a precaution.