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The collector is a 4'x10' panel which I bought used in good condition.
I showed the heat exchanger to a friend today who has some experience with solar and copper work. He thought the heat exchanger looked pretty good.
Next, I need to figure out how to couple the 1" pipe thread to a 1" machine thread. They are the same size, but pipe thread tapers, and machine thread doesn't.
The heating elements in the side of the electric water heater are the perfect place to connect the heat exchanger, I just need to make some sort of adapter.
I will be showing this project to some of the building group on Sunday and get some advice.
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