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Posted by HeatPro on April 17, 2006 at 09:41:29:
In Reply to: High pressure even when steam boiler is cold. posted by John Demola on April 05, 2006 at 23:34:42:
But why?
That is the purpose of this forum; to find out why.
Answers will appear when enough details to find out what installation is being asked about appear.
http://www.heatpro.us/service/yeahbut.htm