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Posted by HeatPro on March 30, 2005 at 16:32:04:
In Reply to: System 2000 posted by Bill Corson on March 30, 2005 at 16:24:39:
They have a very good steel boiler design that is small and efficient. You can do the same for a bit less money by using a boiler with an indirect tank and a three-way valve; but it does come already designed and planned as a well-thought-out system for the owner. As almost any oil boiler comes rated at 84% AFUE, there isn't much efficiency difference; but that isn't the only consideration.
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