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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I have the AO Smith Part #7-177896-22, HP 1.5, SF 1.50 and FR Y56Y. Recently it started making a very loud noise while it is pumping. It continues to pump the water for my pool, but makes this loud noise. Can the pump be repaired or does it need to be replaced?
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Good afternoon Jim, Sounds like bearings. This is repairable but a little technical we do sell the bearings and have a how to guide on our site with a video. You can purchase the bearings also part#6203. I would recommend taking it to a professional motor repair shop if you are unsure.
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Adam,
Thank you for your assistance. I think the best is for me to buy a new motor rather than tackle the bearings. Do I also need the repair kit which has the various O rings, etc. ?
Thanks,
Jim
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Good morning Jim, Yes I would recommend replacing the seal and o-rings. The shaft seal is the most important but since you have it out you might as well replace everything. If you let me know what type of pump you have I can refer the correct kit.
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Hi, my current motor is a Centurion 8-168787-07 seen below. The spaces for HP and SF are left blank in the label. Is this pump motor the correct replacement?
Hello, Yes, that would be the correct motor.
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Could you tell me the differences between the Century B849 and the Century B2842?
Thanks
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William, The B842 motor has a lower amp rating which means it will cost less to operate. They both have the same total horsepower.
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I have to replace a motor on a Purex triton Whiosper Flo Model WFE-6 pump, the motor I am replacing is a Century B849. It appears the B2842 or the B849 will work? Which is the best option and/or are there other options for motors that would be better?
Hi Dennis, yes either of these motors are options for your motor part number 177896. Another motor option I would suggest is the variable speed motor ECM27SQU. Also, it is recommended to replace the seals when replacing a motor. For your Pentair Whisperflo pool pump in a chlorine swimming pool, it would be the GOKIT32 and for a saltwater pool, it would be the GOKIT32SALT.
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What would be replacement pump for Century AO Smith Part#: 7-193994-06
Jandy Stealth SHPF 1.5
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I need to get new pool pump motor for old Centunon for PAC-Fab 8-168345-25. Is this what motor I need?
Good afternoon, yes the Century 1.5 HP Square Flange 56Y Full Rate Motor - B849 would be the correct replacement motor.
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is this a direct replacement for jandy b864se ?
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Hello. The Century 1.0 HP Square Flange 48Y Full Rate EE Motor - QC1102 is the direct replacement motor for the B864SE.
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We need to replace a B849 motor, Part # 0-177896-22. Is there an assembly that includes the silver end caps as well?
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Hello Cynthia, unfortunately these motors are not sold with any pump parts assembled on them. Here is our "How To Identify Your Pool Pump Manufacturer" guide that we put together that should assist you in locating the parts that you need.
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