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Designing a system that will preven the pipes from freezing in
a cold climate is a challenge. If it is a home that may be vacant
for a few days at a time compounds that problem because you can
not keep an eye on it.
This system is designed to pump water in the reverse direction
to keep the water moving, it could even be heated water to raise
the temperature above a chilly 60 degrees F. Later in this tour
will be a design for a solar water heater that will be used for
this purpose, but for now, just keeping the water moving in cold
weather will keep it from freezing very well! (Thanks to West for
helping me realize that on November 12, 2003.)
Reliability is an important factor here, obviously. I have searched
for the El Sid water pump that is a magnetic drive pump with no
moving parts to break down. This, of course, means a long life expectancy
with out break down. An invesment in a $250 pump, a small sollar
panel charger and battery, plus a $30 thermostat will take care
of those frozen pipe woe's. See the
Library of Links for information on this pump.
The pump pushied the water back through the whole system, all the
way back to the pump through more copper or even a flexible tubing
that will stand a LONG time againd the water. The flexible tubing
would be good for fishing around curves and turns in the pipe system.
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