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Old 03-24-13, 05:03 PM   #21
michael
Michael
 
Join Date: Feb 2013
Location: mendocino, california
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Hello Drake, It is totally self contained. It has a circulating motor in the box that runs the source water, and a flow switch senses when the hot side has water moving in it which powers up the circulator. Cold potable water goes in, and hot water comes out, and that hot water can, of course, go into a holding tank to build up a reserve of DHW.

mm

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