Response to The replacement motor for the K63CXEPY-4766 is the Motor 56j Thrd Full Ee 1hp (b654). The total HP on your current motor is 1.40 and the UST1102 is 1.10. The weight of the impeller, installed on motors will differ depending on the total horsepower. By decreasing the horsepower, the impeller will be to heavy, potentially causing the motor to fail. It is best recommended to replace your motor with the B654, doing so, this will allow you to use your existing impeller. Don't forget to replace the Pool Pump Shaft Seal.

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