Everyday, water is wasted as faucets run while we wait for the water to heat up or cool down. Tom Rachlin's Clean Water Reserve detects "unused" versus "used" water with pressure pads in showers and infrared motion sensors in sinks. When the sensors don't detect activity, the unused water is diverted to a reserve storage tank. When the sensors engage, the used water is carried out through the home's plumbing system. Over time, the reserve tank fills to be used for household chores, resulting in the appropriate reuse of multiple gallons of water each year.
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