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The reason the motor is hot is because the motor is built with rolled steel, not cast iron. Heat is dissipated through the rolled steel frame. Rolled steel motors are intended to run fairly hot. Cast iron has ribs running the length of the motor and dissipate the heat over a much larger surface area. That is why cast iron frames feel much cooler to the touch.
If the current is good and there is no overheating, you are fine and need to do nothing but enjoy the pool.
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