Solar water heating system and heat exchanger for use with existing hot water systems
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United States of America Patent
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-
Jan 7, 1986
Grant Date -
N/A
app pub date -
Jan 4, 1982
filing date -
Jan 4, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a solar water system including a solar collector, a small independent heat exchanger having three of the four ports located at the top with two ports being coaxial is provided for use with existing hot water heaters. The exchanger includes automatic drainback during freezing conditions.
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