Response to I have a waterway Hi-Flo 3/4 HP side discharge, 2-speed pump. It has this motor on it 7-177781-02 AO Smith. The pump itself is fine. When I went to start up this spring, the motor would only work on low speed. I flipped the switch back and forth, and a few minutes later (motor still staying on low) it stopped. The motor smelled burnt, and smoke came out of the side of the motor. I plan to replace it with this motor. Should I replace the pump / motor seal? if so what would the part be?

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