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Old 08-03-2010, 08:47 AM   #1
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Solar Water Heater


This unit was installed on my house in 1985. There are no moving parts. Water pressure pushes water up through the pipes/tubes and back down into the hot water heater.

About 10-12 years ago a tube broke and sprang a leak in one of panels and I shut it off. I do remember saving quite a bit on my energy bill. I am now thinking of repairing it or at least by passing the panel with the broken tube.

Has anyone ever worked on one of these? I don't see this type installed anymore. Is this old technology, not as efficient as other systems? Some of the newer systems involve separate plumbing and fluid that is pumped through the water heater.

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Old 08-03-2010, 08:51 AM   #2
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Solar Water Heater


I have 6 panels with pipes/tubes
One heats my hot tub to 104-108
How to fix it depends upon the assembly method & pipe
2 of my panels are alum tubing, the others are copper
Screws hold the top glazing on top
So I can solder new pipe in...or install a hose/clamp to patch a leak

It is older Tech, but works just fine
Evac tube water heating is the new setup
More effic
30% tax credit thru Govt on a system thru the end of the year

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Old 08-03-2010, 08:53 AM   #3
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Solar Water Heater


Lets see if the picture post
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Solar Water Heater-img_3642.jpg   Solar Water Heater-img_3643.jpg   Solar Water Heater-img_2223.jpg  
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Old 08-08-2010, 11:19 AM   #4
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Solar Water Heater


The danger of using a system such as yours, is freezing!

It can only be used at times when temps are above freezing and must be properly drained to prevent the pipes from being damaged when it gets cold.

Closed systems are filled with anti-freeze and can be used year round.
Closed systems usually require a circulating pump. This costs money to operate and of course, won't work during power outages.
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Old 08-10-2010, 08:39 AM   #5
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Solar Water Heater


Thanks for the replies. If its only copper pipe inside, it may not be that difficult to fix. The big issue might be getting off the corroded screws that attach the panels.

We get severe freezes here only once every few years and even then copper pipes in other locations around the house were not affected.

But its there so I might as well be using it.
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