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Posted by HeatPro on November 09, 2007 at 11:14:22:
In Reply to: boiler posted by pete on November 09, 2007 at 05:43:55:
In a 30 psig relief valve system, water won't boil until it reaches 275 F, the high limit prevents that - so the discourse is moot. Air does separate in time.
Set the COLD FILL pressure at cold water temperature, that's what it means.