Response to Hello.  Pool pump motors fail for a variety of reasons. Please make certain the replacement motor's total horsepower (THP) is mated to the impeller rating correctly.  An impeller's THP rating should be equal to or less than the motor's THP rating, incorrect pairing can result in a motor's shortened lifespan.  Conventional copper wound motors generate heat during operation.  Shield the motor from direct exposure to the sun if possible.  Maintain good airflow around the motor - keep landscape, leaves, and other material from around the motor's cooling vents.  Shield the motor from rain or landscape irrigation as much as possible.  Keep the filter clean.  A dirty filter results in back pressure that causes the motor to push against this resistance.  Protective Pool Motor Cover - R221016

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