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Solar water heater for Pool

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Posted by John Doe on January 18, 2004, 4:34 pm
I just got a free solar collector which was used for a hot water heater. It
was not wanted anymore so all I had to do was take it down and haul it away.
I want to use it for my swimming pool.
1, The collector is a 4'x10' pacific west solar panel. Glass and metal
collector. The water was scalding hot when it was in use, so I think it will
help with my pool which is almost totally shaded from October thru March.
Living in the Phx AZ area The pool is plenty warm from April to Sept, but I
want to extend that usse time.
2. Any ideas to help me with the plumbing into the system? I have the
circulating pump and controller from the heater and think I would like to
plumb the line into the pool using that pump. I may need to use a different
controller, but would like opinions.

My pool has an in-floor cleaning system, so I think I need to plumb the
solar heated water into the system usnig the return line which by passes the
cleaning system? Right?

What about line size from the collector to the pool?  The collector has
about 3/4 inch copper but the pool return is about 1.5" pvc.

What else do I need? Check valves?

Any helpful insight will be appreciated.

Posted by SQLit on January 19, 2004, 4:37 pm


Most pool collectors are plastic, because of the pool water. If your going
to use a domestic h2o panel you, in my opinion should put in an heat
exhanger so that the pool water does not eat the collector.

Posted by John Doe on January 25, 2004, 3:11 am
 The collector is made of Copper so I don't see any probelms in the short
term. If the collector works for a couple years, I will know if I would like
to put another one on.
Any other helpful  comments about the connections woud be appreciated.

Posted by Ecnerwal on January 25, 2004, 3:24 am
Then you have exactly no grasp of what pool water does to copper. Pity
to destroy a collector, but I guess that is what it will take to
convince you.

Cats, Coffee, Chocolate...vices to live by

Posted by Sonideft on January 26, 2004, 11:44 pm
 We sell our copper-based flat-plate glazed (with glass) Solar Collectors for
pool applications here in Canada. The only thing that you really need to do
is to monitor your pool's chlorine level and keep it in check and you should
be able to get 10 years out of them. The chlorine test kits from pool retail
outlets work just fine.

We sell both the unglazed Pool Collectors (soon) and the glazed Solar
Collectors. In cooler climates, the glazed collectors, although more
expensive, are necessary in order to extend the pool season.

Any comments ? This newsgroup hasn't been that active lately, so I thought I
would stir things up a little.



Stephen Cumminger, P.Eng, MBA, MCPM
Senior Consultant
Sonideft Solar
Tel: 902-865-2189
Fax: 902-484-7897
Email: stephen.cumminger@heatwithsolar.com


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