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Posted by HeatPro on November 24, 2009 at 09:53:23:
In Reply to: Re: Well Mcclain boiler with Amtrol water heater posted by Bill on November 22, 2009 at 11:36:31:
Can the furnace be open allowing air into the system ?
Hard to understand what that might mean.
Can't have a closed water system being open,
An open system would leak and have no pressure.
You open a water system somewhat every time
you open a tap.
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