This pump and circuit are to be used by Caleb at his home.
The design arose from a problem with the pond pumps constantly running, thus causing failure at a faster rate. With this design, the pump will run roughly half as long as it normally would (12hr vs. 24hr/day), this cycling will increase the pump life by an estimated 2x, from 2 years to 4, saving about $37.50 per year based on a $150 pump cost. The power saved would me on the order of 576,840 Watt-hours per year and based on Duke Energy’s rate (9.3581 cents/kWh), this design will save $53.14 per year.
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