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Posted by HeatPro on August 11, 2008 at 16:03:07:
In Reply to: Boiler pressure posted by Bill on August 11, 2008 at 12:47:38:
No rule-of-thumb, because different houses have different heights of floors. There are practical setting for pressure based upon the laws of physics:
http://www.heatpro.us/purgeairtree/documents/D5F0F0F6AB134840F7ADDA6F136ED396F851F932.html