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Ice and solar, boiling water outside at 6°

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hot_rod
hot_rod Member Posts: 22,256
Trying out my copper solar tea cup on the coldest day so far. Within 20 minutes the 16oz of water was boiling.

The water boiling over, running down the outside of the 1/2" insulation is freezing at the bottom.

A single Oventrop/ Sunda evac tube as the energy source.
Bob "hot rod" Rohr
trainer for Caleffi NA
Living the hydronic dream

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