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Posted by HeatPro on February 04, 2010 at 15:22:34:
In Reply to: Re: weil mclain ultra posted by noobie on February 04, 2010 at 06:09:52:
A heat exchanger sometimes has glycol on one side and water on the other. No matter what glycol is on the glycol side of the exchange, the water will still freeze on the other side.