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Heat exchanger on flu
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[Deleted User]
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The attached link (from austria), page 5, depicts a heat exchanger on the flu used to heat the return to the boiler. Is the heat exchanger a product that can be purchased? Could it work as a retrofit on a 3 pass CI boiler? Would it be worth the expense?
http://www.energyagency.at/publ/pdf/oil_turin.pdf
http://www.energyagency.at/publ/pdf/oil_turin.pdf
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Comments
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This may be
a technique that has been used for increasing the efficiency of steam boilers. I've read about it somewhere.....
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