04-17-14, 12:38 PM | #1 |
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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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