5 star rating January 3, 2007 Dave S.
8 reviews
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Nearly Free hot water

A simple inexpensive passive batch-type heater. that is plumbed inline ahead of your conventional water heater's inlet, it preheat sall incoming water. Produces approximately 30,000 Btu/day, the 4' x 8' collector is housed in a top-quality bronze-finished aluminum box with dual glazed cover.

Dave's keywords: solar water heater, hot water systems, solar hot water

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