Century 2.5 HP Square Flange Up Rate EE Motor - B2843

$302.99

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Part # B866SE

By Century Motors

  5 Average  

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Part # B866SE

Warranty 1 Year

Manufacturer Code B2843

Alternate Part #'s 11804, 1203195410, 177942, 177979, AE100G5L, AE100G5LL, B2843, B866, C1284, K48N2P103, SQ225UE, SQH25UP1E, USQ1252, AOSB2843, MGT-60-5143

Product Description

**PLEASE NOTE: The B866SE has been replaced by the B2843 - 2 HP Square Flange Full Rate EE Motor.**

Century Centurion replacement motors for Pentair WhisperFlo, energy efficient, up rated pumps. Specifications: HP = 2.5, RPM = 3450, Voltage = 208-230, Amps = 11.0-10.0, Service Factor = 1.04, Frame = 56Y, Shaft = Threaded.

**PLEASE NOTE: The  B866SE has been replaced by the B2843 - 2 HP Square Flange Full Rate EE Motor.**

Motor Image Motor Image

Product Specifications

Motor Name:
2.5 HP B866SE & B2843 Replacement Pool Motor
HP:
2.5 HP
Speed:
Single
Amps:
11 - 10 amp
Flange:
Square
Energy Efficient:
Energy Efficient
Service Factor:
1.04
Frame:
56Y
Volts:
208 - 230 V
Pump Model:
WF-30 & CFII-NI-2.5A
Model:
Whisperflo & Challenger
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?     Asked on 8/3/2020 by

I need to replace a Century Part O-177452-03. Is this a suitable replacement?
 Reply

A  Answered on 12/11/2020 by InyoPools Product Specialist Hector F.

Hi, yes this is the correct replacement motor for your motor part number 177452. When replacing a pool motor we do suggest a Seal Kit. Could you send us a few photos of your pump so we can suggest the proper seal kit? If so then please take a wide shot of the complete pump to include the pipes going in and out of the pump. To supply photos simply click the reply link below and upload your photos. Once we get those photos we can make the proper recommendation for your seal kit.
 Reply


?     Asked on 4/10/2020 by

Need to replace motor WF-30/ 011775 HP 2.5 is this the same motor?

 Reply

A  Answered on 4/10/2020 by InyoPools Product Specialist Hector F.

Yes, this would a correct single speed motor replacement for the original model 011775 pool pump.  
 Reply


?     Asked on 2/16/2012 by Guest

I just finished replacing the shaft seal on my booster pump. As soon as I turned the pump on water was leaking from the shaft seal. Is it defective or am I doing something wrong?
 Reply

A  Answered on 2/16/2012 by InyoPools Product Specialist Patrick P.

Depending on the model, the installation of a booster pump shaft seal can be slightly different than a pool pump shaft seal. Some booster pump and pool pump shaft seals require that a silicone sealant be used on the outer areas of the metal seat of the shaft seal. The seal will need to be lightly hammered into the body of the pump. You can use a 1 inch PVC coupling or a piece of 1 1/4 inch PVC pipe and a rubber mallet. This procedure will apply to any pool pump or booster pump using a >PS-1000 style shaft seal.
 Reply


?     Asked on 1/19/2012 by Guest

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?
 Reply

A  Answered on 1/19/2012 by InyoPools Product Specialist Patrick P.

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.
 Reply


?     Asked on 1/12/2012 by Guest

Why should I purchase a Tune Up Kit?
 Reply

A  Answered on 1/12/2012 by InyoPools Product Specialist Patrick P.

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.
 Reply


?     Asked on 1/12/2012 by Guest

Why do I need to purchase a new shaft seal?
 Reply

A  Answered on 1/12/2012 by InyoPools Product Specialist Patrick P.

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.
 Reply


?     Asked on 1/11/2012 by Guest

What is Service Factor?
 Reply

A  Answered on 1/11/2012 by InyoPools Product Specialist Patrick P.

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.
 Reply


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