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Old 04-17-14, 12:38 PM   #1
Daox
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Default DIY drain water heat recovery setup using PEX tubing

Another nice piece over on builditsolar. This is a pretty simple setup. The guy just shoved a bunch of PEX into a drain line. The results aren't crazy good, but it is simple. No doubt this design could be improved upon, but for a simple cheap setup it is something.

DIY Shower Water Heat Exchanger


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