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URL:  http://boards.fool.com/fins-should-let-you-use-cooler-water-or-20122053.aspx

Subject:  Re: Radiant Heat System Date:  1/9/2004  8:21 AM
Author:  Goofyhoofy Number:  44410 of 132979

Fins should let you use cooler water or faster-moving water, or both, and still get the same BTU transfer per unit time. Whether that's an advantage or not would depend on your circumstances.

Agreed. But if you have "enough" then you don't need "more" to make the transfer. And generic copper pipe is a lot cheaper than fancy schmancy, eh? And if you have "enough" you can dial it up or down at the source (the heater) or elsewhere (the pump).

For a number of unimportant reasons. One, the Auto-Circ scheme assumes the water at the pump (when the pump isn't running) lo