Do your solar pumps have to a controller?
Q: Do your solar pumps have to a controller?
A: A controller acts like the transmission in a vehicle. It lowers the voltage and raises the current to run the pump, however slowly, in low-light conditions-like shifting to low gear. The controller also protects the motor from overload and over-speed and provides low-power float switch control. Controllers will increase system performance approximately 30% over the course of one year!
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