3/4 HP Standard Motor - Full Rate (B847, B2847)

PART#B847

MANUFACTURERA. O. Smith

  (4.75 out of 5 Stars on 12 Ratings)

resources:   Q&A: Ask a Question  | Q&A: View Answers (9) | Reviews (9) | Documents (7) | Parts (5) | How To's (7)

item is in stock

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MANUFACTURER CODEB2847

DIMENSIONS12.5" L x 6.5" W x 6.5" D

ALTERNATE PART #'S0-177474-01, 1-168919-06, 10-168919-06, 10-177079-04, 1103655401, 1103655402, 135105, 15815, 164652, 164961, 165190, 165903, 168452, 168919, 177079, 177215, 177474, 190021, 193267, 193985, 35-5339, 35-5399, 355339, 5KC38SN6085AX, 5KC38SN6085X, 5U124, 5U159, 6-177079-40, 7-168452-04, 7-168452-84, 7-177079-04, 7-177474-01, 7-177474-61, 7-177474-81, 75233, 8-165903-20, 8-165903-21, 8-168452-04, 8-168452-20, 8-177079-04, 8-177079-40, 8-177474-01, 8-177474-10, A0104900, A100DH, A100DHL, B623, B847, C1305, C48K2EB102A2, EB847, ESQ1072, P712, S88-380, SQ107, SQ1072, SQD75FL1, V15815


Product Desciption

A.O. Smith Centurion replacement motor for Pentair WhisperFlo and Challenger full rated pumps. Specifications: HP = 3/4, RPM = 3450, Voltage = 115/230, Amps = 14.2/7.1, Service Factor = 1.65, Frame = 56Y, Shaft = Threaded. *Please Note: This is the correct replacement motor for the Challenger 3/4 HP full-rated pump.

Motor Dimensions Motor Dimensions Motor Image Motor Image
Motor Name:
0.75 HP B847 & B2847 Replacement Pool Motor
HP:
0.75 HP
Speed:
Single
RPM:
3450 RPM
Volts:
230/115 V
Amps:
7.1/14.2 amp
Service Factor:
1.65
Total HP:
1.24 HP
Frame:
56Y
Stock #:
B847 or B2847
Shaft:
Threaded
Overload Protector:
Auto
Dimension Letter:
C
Dimensions:
12.4 in.
Commonly Used On:
Pentair WhisperFlo and Challenger

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Ask a Question
Question

Asked on 07/15/2015 by Nathan

Does this motor replace 7-177474-01?

Inyo Answer

Answered on 07/15/2015 by Product Specialist Hector F.

Yes the B847 is the correct replacement motor.

Question

Asked on 06/19/2015 by Kurt

I have a Pentair Whisperflo WFE-3 3/4 horsepower. Which motor is a correct replacement, B2847 or B2661? Thank you.

Inyo Answer

Answered on 06/19/2015 by Product Specialist Dennis R.

Hi Kurt,  B2847 is the standard Full rated 3/4 HP motor: B2661 is the Energy Efficient [EE] Full rated 3/4 HP motor - uses 20% less amperage which equates to 20% less in operational costs.

Question

Asked on 06/17/2015 by

I have an Pentair Intelliflo VF so what parts would I have to swap out(Impeller, diffuser,kit,) to do a motor replacement with this one please? Also, what is the impeller screw I need for this and is it the same size as the Intelliflo impeller screw? Thx.

Inyo Answer

Answered on 06/19/2015 by Product Specialist Lennox H.

You would need to replace the Diffuser Assy. 3/4 - 2 1/2 Hp (072927)Impeller 3/4 Hp Full 1 Hp Up (073127), you can reuse the same Set Screw (071652)  and get a Pentair/Purex Whisperflo Tune Up Kit (GOKIT32) to use with the 3/4 HP Standard-Full Rate Motor.

Question

Asked on 06/11/2015 by

does this replace the 7-177449-03 3/4 hp type cx

Inyo Answer

Answered on 06/11/2015 by Product Specialist Patrick P.

For the 7-177449-03 you would actually need the B661 (B2661) Replacement Motor.

Question

Asked on 02/16/2012 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?

Inyo Answer

Answered on 02/16/2012 by 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.

Question

Asked on 01/19/2012 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?

Inyo Answer

Answered on 01/19/2012 by 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.

Question

Asked on 01/12/2012 by Guest

Why should I purchase a Tune Up Kit?

Inyo Answer

Answered on 01/12/2012 by 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.

Question

Asked on 01/12/2012 by Guest

Why do I need to purchase a new shaft seal?

Inyo Answer

Answered on 01/12/2012 by 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.

Question

Asked on 01/11/2012 by Guest

What is Service Factor?

Inyo Answer

Answered on 01/11/2012 by 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.

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Ratings Summary

Average Rating:   (4.75 out of 5 Stars)

Recommended: (100%) 12 of 12 customers would recommend this product to a friend.

12 Ratings 5 star:   (9) 4 star:   (3) 3 star: (0) 2 star: (0) 1 star: (0)

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The Most Helpful Review

21 of 23 people found the following review helpful:

   (5 out of 5 Stars) Pool Filter Motor

Reviewed By: from Bowie, Maryland ()

Pros: Customer service, shipping time, price and product

Cons: None that I can think of

Best of all is the wonderful customer service help provided by Inyopools. The product was here in the time specified and the price was considerably less than the 5 other companies I checked with first. The product was as specified and ordered and hasn't given me any problems to date. It was installed about a month ago.

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The Most Recent Reviews

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   (5 out of 5 Stars) pump motor

Reviewed By: from Wichita, Kansas ()

Pros: cost

Cons: shipping time

replacement motor was exactly what I had and cost $130 less than my local pool store.

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   (5 out of 5 Stars) perfect replacement motor

Reviewed By: from New Orleans, LA ()

Pros: price

This product was a perfect match to replace my old worn out motor. The installation was exactly as stated on the web site. This was also the best price anywhere.

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   (5 out of 5 Stars) Quiet and inexpensive

Reviewed By: from Palm Bay,FL ()

So far so good. Replacement is the same as the on removed. I'll give you a full report in 8 years like the first one lasted.

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   (5 out of 5 Stars) Motor runs great

Reviewed By: ()

Ships quick received motor installed & runs great so far. Good customer service with Inyo.

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   (4 out of 5 Stars) works great

Reviewed By: ()

It arrived when they said it would. Easy to install and works great.

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   (5 out of 5 Stars) perfect pool pump that fit exaxt!

Reviewed By: from Ruskin, FL ()

Pros: exact fit and fast shipping

Cons: none

The pump fit exactly like it should, shipping was fast and I would highly recommend

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   (5 out of 5 Stars)

Reviewed By: from Arcadia, Fl. ()

Pros: quick ship, installed same day, runs great, no surprises

Cons: none

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