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Low flow showerheads have an aerator that mixes water with air in order to increase the volume of the expulsion without wasting water. A Wash and Dry Showerhead has an option of turning off water output, by directing water through a turbine that simply powers the aerator. The wastewater simply flows
out the tap and down the drain.
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Annotation:
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Since the water is still clean after it goes through the
turbine, why not shunt it back to the holding tank for re-
use? |
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It has to be sort of a bad idea. |
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Not that it invalidates the idea, but most aerators
are not powered. They're simple venturis that pull in
air as part of the flow. |
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it would be cold air. In the first instance you're
relying on the huge heat capacity of water to warm
up the air, which has negligible heat capacity, and
probably originates from inside the hot and steamy
general shower environment. Without complex heat
exchange, your water will just dump it's heat down
the drain. Also, low-flow shower heads are terrible. |
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This is actually quite brilliant for a half-baked idea! |
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Implementation could involve a heat exchanger and / or a heated air tank, but (never mind, what [lee_rimar] said.) |
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The idea was originally a showerhead that seperated the
air out of the water and used that heated air, but then I
realized there is not a lot of air in water before the
aerator. |
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Yes, there are many slips between the idea and the reality. |
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