Part # USN1152
Warranty 1 Year
Dimensions 14" L x 6.5" W x 6.5" D
Uprated 1.5 HP motor; 3450 rpm, 208-230/115; 8.5-7.8/15.6 full load amps; 1.25 service factor; 56J frame
Note: NOT California Title 20 Compliant.
California Title 20 Compliant Option: EVC225
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 find a replacement motor for my pool pump but my model number doesn't match what you have listed as the model number. My model number begins with a C48 and yours begins with an SP. Please help.
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What we have listed on our chart pages is the pump model number. The model number you have will just identify the motor. If you look on the plastic housing on the pump there should be a sticker which will have the pump model number. You can usually find this by the discharge port on the pump. Once you locate it you can choose the correct replacement motor. Be certain to change the shaft seal and gaskets as needed. You can use our >How to guide if you need help.
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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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2 to 4 hrs
Screwdriver, Nut Drivers, Pliers, Socket Set, Wrench Set, Adjustable Wrench
1 0
I hate this pump with a passion but it is a great customer of mine that I did not want to make spend money on an entirely new different pump set up.
Drain water
Remove twist locK
Remove 4 exterior Motor to pump bolts
Remove next 4 bolts on bezel
Loosen rear metal cover screws
Remove impeller by securing the driveshaft nut and turning the impeller
Remove next two covers attached to motor
Turn off breakers
Remove electrical
Replace gaskets, seals and impeller spring
Reassemble in reverse with new motor
1 to 2 hrs
Screwdriver, Socket Set, Wrench Set
1 0
1 removed locking screw and took off the pump holder.
2 removed electrical
3 pulled old pump out. Took a little finessin
4 Had to unbolt pump from frame. Had to use a wrench on both ends to pull it. Put gasket back on with seal
5 then put new pump back it. This was a little hard to get in, nut once I started the Claire it came together fine.
6 hooked up electrical
7 flipped breaker and primed pump. Started up beautifully. Works great.
Less than 1 hr
Screwdriver, Nut Drivers, Socket Set
The Most Recent Reviews
(5 out of 5 stars) Fast and easy motor replacement on 22 year old Northstar pump!
Reviewed By: Inyo Customer ()
Easy to match to my 22 year old pump/motor, fast delivery, easy install, whisper quiet. Many kudos to CSR Avi who (via chat) helped with a delivery issue. Also enjoyed the helpful video tutorial - well done!
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(5 out of 5 stars)
Reviewed By: Inyo Customer ()
Personally I’m not a fan of north star motor replacements.. however the fitment was great and the price was unbeatable!
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(4 out of 5 stars)
Reviewed By: Inyo Customer ()
Great replacement for the old motor on my Hayward Northstar pump
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(5 out of 5 stars) So far so good
Reviewed By: Inyo Customer ()
So far so good after a year of daily use
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(5 out of 5 stars)
Reviewed By: Inyo Customer ()
works well
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(5 out of 5 stars) Great Exact pool pump motor replacement.
Reviewed By: Peter S. from Chicago,IL ()
Pros: Exact replacement, delivered when promised
Cons: None
I ordered a pool pump replacement motor and I couldn't be happier!! The motor fit exactly like the original and I was emailed installation instruction to help out. I will definitely be ordering from INYO again!! Thanks
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1 0
(5 out of 5 stars)
Reviewed By: Janice L. from Temecula, CA ()
Thank you for having the "how to" instructions on installing the Hayward Motor. It saved me money and didn't take long at all.
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(5 out of 5 stars) The right motor
Reviewed By: Joseph B. from Belleair Beach, FL ()
Unbelievable price, and fast delivery, and an identical replacement for my existing 10 year old motor. I haven't installed it yet because I want to subject my neighbors to just a little more audio purgatory for a while.
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(5 out of 5 stars)
Reviewed By: scotqb64 from Dallas, TX ()
Pros: Easy to install and very good price
Great match to original motor and easy to install.
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(5 out of 5 stars) Hayward Northstar Replacement Motor
Reviewed By: Kate ()
Pros: good
Cons: none
hopefully it will work we got it at the end of the summer and have not had a chance to use it yet!!!
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(5 out of 5 stars) Great product easy to install!
Reviewed By: Spaceytracey from Murrieta, Ca. ()
Great product and was easy to install! Shipping was fast and well packed!
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203 12
(5 out of 5 stars) Excellent Pump Moter Replacement
Reviewed By: PoJo from Clarence, NY ()
Pros: Awesome fit - excellent replacement
Cons: none
Tip to get the impeller off the old pump moter: use a 7/16" open ended wrench - it slides in near the capacitor on the electrical side... rotate the impeller until the wrench slides into place at the end of the shaft and then one person holds the motor and the wrench while a 2nd person loosens the impeller off with bare hands by turning the impeller counter clock-wise.
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