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Posted by HeatPro on September 09, 2005 at 13:52:10:
In Reply to: Re: preheat water posted by Tony Conner on September 09, 2005 at 09:03:52:
True. You should be getting back 210F water from the radiators after each cycle. There isn't much need to preheat the return water if you aren't adding cold water all the time. You could insulate the return piping to keep the water hot in it longer for little money. No need to install an $8000 wood boiler to heat fifteen gallons of return water an hour that already comes back hotter than the wood boiler would be able to heat it.
Not too sure what learning the history of steam and all the problems that can go wrong and get fixed can do with this problem, but a new book for the shelf can be interesting reading.