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Help: Need Simplest possible solar water heater - Page 4

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Posted by Jeff on February 19, 2008, 6:19 pm
 
Frank Scrooby wrote:

Aside from what Morris and Nick have brought up, you may wish to to look
at Gary's site:

http://www.builditsolar.com/Projects/WaterHeating/water_heating.htm

My thoughts are to do a thermosiphon but to use readily available cheap
materials. The tank could be a steel drum (clean the piss out of it) and
the collector could be  PEX embedded in concrete with some  kind of
glazing over it and insulation behind.

Jeff



Posted by Trygve Lillefosse on February 19, 2008, 7:40 pm
 
Have you checked out can-panels? (or whatever they are called)

http://www.google.com/search?hl=en&q=solar+soda+can+DIY&btnG=Search

--
SEE YA !!!
Trygve Lillefosse
AKA - Malawi, The Fisher King

Posted by David Turner, Island Computers on February 20, 2008, 1:58 pm
 I got in touch with a chinese solar water heater company
I can buy the collectors (for a 50Gallon system) for under $00.
Why was I offered the same thing in the USA for $600?

Trouble is I have to buy a 40' container of them.
If anyone in the South East is interested I am looking at buying a container
load just on spec.

DT

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Posted by Rob Dekker on February 21, 2008, 10:11 pm
 

Because US marketing/sales are taking most of the money...


40' ???? I assume you mean 40" ?

Also, these chinese systems often work by siphoning, which means your container
must be on your roof (level or above the panels).
If that is not an option for you you need a pump and a control unit, and you can
use their container or sell it and use your
existing water heater tank...





Posted by Jeff on February 21, 2008, 10:52 pm
 Rob Dekker wrote:

   Nope, containers are often 40'. You've seen them on railroad cars.
It's a lot of solar collector for sure.



container must be on your roof (level or above the panels).

can use their container or sell it and use your

   Usually the tank is nearly integral.  If I didn't have 120 SF of
homemade collector waiting for dry warm weather to paint them, I'd be
interested.

   Jeff


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