Water circulation unit
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United States of America Patent
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Oct 6, 2009
Grant Date -
Jul 13, 2006
app pub date -
Nov 25, 2003
filing date -
Nov 26, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A water circulation unit (120) for reducing bacteria growth in a water supply system includes elements for controlling temperature and flow (133) which is arranged to provide a dynamically controlled flow of water from both a hot water pipe (140) and a cold water pipe (150) to at least one return water pipe (160) such that the water from the hot water pipe is above the temperature region in which dangerous bacteria growth may occur, and the water from the cold water pipe (150).
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