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DIY & Home Improvement

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Robb

(39,665 posts)
Sat Mar 24, 2012, 03:46 PM Mar 2012

Tell me about your solar water heater. [View all]

I've got a bee in my bonnet to install a closed loop system to heat up a second tank, plumbed in series with my existing heater... Sort of a pre-heater that works when the sun's shining.

Lots on the web; any DUers doing it?

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