Brock, You make a lot of sense. My pump is pretty old, like 22 years old, and when I bought the house here in 2004, there was a 2 HP 1 speed motor on the pump. I have had two different folk tell me that my pump was supposed to have a 1.5 HP motor, not a 2 HP. I guess I forgot about that when I upgraded to a 2 speed pump. So I guess this means that my motor would be lightly loaded on high speed, and this would likely decrease the power factor. Then again maybe the impeller was also changed to match the motor. Who knows. I guess I'll take a amp-clamp to see if the motor draws rated amperage on high speed. I guess if the power factor is low, the current draw will remain high even if the motor is lightly loaded. I got some motor starting capacitors around to see if the they can decrease the current draw when placed across the motor wires. If that happens, maybe I can correct for low power factor. Do you or anyone out there ever get into this power factor correction stuff with pool puimps?
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