What is Service Factor?
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Service Factor(SF) is a multiplier that when multiplied by the horsepower of the motor indicates the total permissible horsepower loading that may be carried when the motor is operating at rated voltage and frequency. The most important thing to remember when replacing a motor is that the replacement motor's horsepower times its service factor must be equal to or greater than the original motor's horsepower times its service factor. The Service Factor rating can be found on the motor label. See Step 4 of our How to Read a Pool Motor Label guide.
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Why do I need to purchase a new shaft seal?
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We strongly recommend replacing the shaft seal. The purpose of a shaft seal is to prevent water from running down the shaft of the motor and into the motor housing. Water will damage the bearings and cause the motor to fail. A new shaft seal should be installed whenever a motor is replaced. The motor manufacturer can deny the warranty if the motor fails to due to water damage from a faulty shaft seal. To find your shaft seal you will need to visit our Pool Pump Parts Page or the Spa Pump Parts Page and select your make and model.
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Why should I purchase a Tune Up Kit?
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A Tune Up Kit includes all of the essential replacement seals and gaskets for the pump. The seals and gaskets should be replaced when installing a new motor on your pump. New seals will prevent the pump from leaking water or losing the prime. A Tune Up Kit will protect your motor and ensure that the pump is working efficiently.
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I'm trying to replace the motor on my pool pump but all these numbers and abbreviations on the motor label are really confusing me. What do they mean?
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Replacing a pool pump motor is not as difficult as it seems. You can try looking here. If you need help figuring out what the information on your label means. If you are still having difficulty figuring it out you can call us at our toll free number or you can send us a photo of your motor label here.
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I want to replace an ao smith century centurion switchless motor. 2 hp cat. B836 type cx. Y565. Sf 1.20 230 volt motor. Can you tell me the replacement motor? "Pool and spa duty motor"
Thanks
Larry Spector
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Hi larry, The 2 HP Full Rated 56J Thrd Motor (B836) would be the correct replacement motor.
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How easy is it to replace the motor on the Jandy Stealth JHP pumps? In the Jandy brochure that came with the pump (over 12 years old) the motor part number is R0556104 (2.0 HP).
Thanks
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Hello Lawrence- This is a video that walks you through replacing the motor on your pool pump. The example is with a Hayward and not a Jandy, but its the same general concept: "How To Replace the Motor on Your Pool Pump"
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