Part # 5388X
Warranty 1 Year
Manufacturer Code B2977
Dimensions 15" L x 5.5" W x 8" D
Alternate Part #'s 10-177062-03, 1105200403, 152686, 158226, 158567, 15940, 159818, 159944, 1615Z-2-MC, 1615Z-2-MSC, 165978, 177062, 177103, 177107, 177108, 177242, 190040, 190047, 190066, 190095, 190114, 190125, 190146, 190147, 190161, 190190, 193636, 35B1199, 5KCR48SN3015X, 7-177062-05, 7-193636-05, 8-177062-03, 8-177062-05, 8-177103-02, 8-177107-04, 8-190114-01, 817706205, A0564700, B927, B957, B977, C1112, CT115T, EB977, EB977., MGT605117, SP-1615-Z2-MC, SP-1615-Z2-MSC, SP4010X152, STS1152R
A.O. Smith 1.5 HP Round Flange 56J Dual Speed Full Rate Motor - B2977
**NOTE THIS MOTOR IS SHIPPED LESS HI-LO SWITCH. YOU MAY PURCHASE THE HI-LO SWITCH SEPARATELY BY ORDERING PART # 2512558-001.
Is this replacement motor for hayward model sp4010x152NS which seems to be obsolete now.
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Hi Scott, This motor on this page is not the proper replacement motor for your Northstar. You will need this 1.5 HP Dual Speed Northstar Replacement Motor - SPX1610Z2MNS we do currently have this motor in stock ready to ship.
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Hi, replacing pump motor SP -1615- z2- mc. The unit I have states 2 hp and this one appears to be 1.5 hp? Is there a model change since I replaced the last time?
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I bought this motor from INYO to replace B977. All is OK except the terminal box cover is a different design and appears not to be compatible with the hi/lo switch which you recommend, P/N 5271-75 (17590450). The new terminal box cover is plastic. The old design was metal and had a hatch that could be replaced with the hi-lo switch assembly. I am currently using the motor in single speed mode. Do you have a suggested solution for this problem?
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Hi, Ronan. Century had a motor design change. You will need the Toggle Switch and Canopy Kit - 2512558-001. A return will be set up so that you return Part #17590450. You will have to purchase the Toggle Switch and Canopy Kit - 2512558-001.
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this is the exact replacement for the pump I have, but since I can't find anyone who can hook it up to the timer box to run two-speed, is there an exact one-speed alternative?
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Will this work with a Hayward Super II housing ? What is the advantage of the newer STS1152r motor over this model?
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Hi, Steve. Yes, this B977 motor will fit the Hayward Super II Pump housing. The physical dimensions are the difference between the two motors.
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Is the B2977 motor interchangeable with the STS 1152R? The only difference I found is the lower speed horse power, 0.2 hp compared to 0.25 for the STS. The B2977 seems to be a newer model. I have Hayward pump SP4010X152 and need to replace the motor.
Thanks
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This two motor are going to be the same, the STS1152R is just going to be the newer model.
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Motor not starting on high speed. Starts on low, then high from running on low. Capacitor replacement or motor winding at fault?
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Hi, Bill. The reasons you've listed can lead to the problem that you're having. You can take the motor to a shop so that it can be tested to confirm which one is the culprit.
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I need the pump tune up kit that goes with my pump. All info if gone from the case.
The motor is a AO Smith B977,56J frame. The pump has 2" inlet and discharge.
The case seal fits into a circular groove.
Thank you for any help,
Robert
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Unfortunately I'd need the model of the pump to find the correct seal kit for your pump.
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I want to confirm the replacement motor for AO Smith SP1615-Z-2-BC 2 speed 1.5 - 2 HP.
Do I need a tune up kit?
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We would strongly recommend a Tune Up Kit when replacing your motor. You would just need to know which manufacture and model of pump you have, you should be able to find your Tune Up Kit on your Tune Up Kit Page.
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I just ordered this replacement motor. Does it come with toggle switch & cover? if not could you tell me which switch to get?
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The 1.5 HP 56J Thrd Full Rate Motor does not come with a toggle switch and cover, you will need the 2 Speed Toggle Switch (79129900).
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I am replacing my motor in my Hayward SP4010x152NS.
Have I selected the correct motor ?
Thanks
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Hello Al - The correct replacement motor is model SPX1610Z2MNS.
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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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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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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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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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The Most Recent Reviews
(5 out of 5 stars) order
Reviewed By: ()
motor bolted right up
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(5 out of 5 stars)
Reviewed By: ()
Works like it is supposed to.
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(5 out of 5 stars) Worked Perfectly
Reviewed By: Jessy G. from San Antonio, Tx ()
Pros: Quiet and very efficient
Cons: Need to know what you are doing.
I considered buying a new system, but instead opted for simply replacing the motor. Worked out perfectly. Motor works great and I saved a bunch of moN
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(5 out of 5 stars) Awesome motor
Reviewed By: ALFONSO V. ()
This motor is really powerful and reliable my old motor went out but lasted 10 years so I bought the same model expecting another 10 years of service. The price was unbeatable no other place had it this low. I'm so happy with this purchase!
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(5 out of 5 stars) Replacement motor
Reviewed By: Hot tub from Elk River, MN ()
Ordered as a replacement, looks like it will be a perfect fit, but I need to order other parts before finishing the job. Good pricing and shipping.
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