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Old 08-07-15, 06:17 AM   #2
stevehull
Steve Hull
 
Join Date: Dec 2012
Location: hilly, tree covered Arcadia, OK USA
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Looks like a great project. Putting the two coaxial Hxs in parallel cuts the heat exchanger resistance in half. Good thing as a lot of the total system resistance is in those helical/spiral exchangers. Allows use of a smaller pump and less cost to run it.

Would get double the amount of BTUs from the incoming water stream.

Water tank?


Steve
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consulting on geothermal heating/cooling & rational energy use since 1990
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