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Designing & building a solar hot water tank
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10-17-11, 05:10 PM
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dh1
Helper EcoRenovator
Join Date: May 2011
Location: Ont. Canada
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Would it be better to have a closed loop with anti freeze and heat exchanger instead of trying to make a drain back system?
If it freezes on you it could be a lot of work to repair.
dh1
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