Booster Pump Replacement Motor - B625

$179.99

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Part # B625

By A. O. Smith

  5 Average  

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Part # B625

Alternate Part #'s 0-173840-23, 10-173840-23, 142777, 173289, 173840, 176830, 2-173840-23, 5KC46KN2408X, 7-173840-13, 7-173840-23, 7-173840-32, 7-173840-53, 7-173848-23, 8-142777-21, 8-173840-20, 8-173840-23, C1502, EB625, PL1072

Product Description

Uprated 3/4 HP motor; 3450 rpm, 208-230/115; 8.5-7.8/15.6 full load amps; 1.5 service factor; 56CZ frame

Motor Dimensions Motor Dimensions
Motor Image Motor Image

Product Specifications

Motor Name:
0.75 HP B625 Replacement Pool Motor
HP:
0.75 HP
Speed:
Single
RPM:
3450 RPM
Volts:
230/115 V
Amps:
6.4/12.8 amp
Service Factor:
1.5
Total HP:
1.13 HP
Frame:
56CZ
Stock #:
B625
Shaft:
Threaded
Overload Protector:
Auto
Dimension Letter:
C
Dimensions:
14.03 in.
Commonly Used On:
Pentair
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?     Asked on 11/18/2017 by

Will this o-173840-23 interchange with a Jandi Part 7-193633-24 pool pump

A     Answered on 11/20/2017 by InyoPools Product Specialist Hector F.

Unfortunately no. One motor is not as strong and designed for a booster pump. 

?     Asked on 8/4/2017 by Kurt

I too have this exact same problem: pump motor will run for a few seconds then it will cut off. If I don't cut power it will try to start up again in a minute but it will only power up for a few seconds then cuts off again. The pump is a Century A O Smith Part # 0-173840-23.... but I doubt it is wired wrong as it has been working for many years. If I order this motor does it include instructions on how to put it in the casing. I have never done this before. Thanks

A     Answered on 8/5/2017 by InyoPools Product Specialist Alex V.

Kurt, The motor does not come with instructions but this guide may help. 

?     Asked on 7/5/2017 by

pump motor will run for a few seconds then it will cut off. If I don't cut power it will try to start up again in a minute but it will only power up for a few seconds then cuts off again. The pump is a Century A O Smith Part # 0-173840-23. Any suggestions

A     Answered on 7/22/2017 by InyoPools Product Specialist Alex V.

Hello, It sounds like the motor is wired for the incorrect voltage. Please note that this is a dual voltage motor (230/115v). It comes factory preset at 230v. 

?     Asked on 7/1/2017 by bill

I have a pump with part# 7-173840-23. Is this the correct replacement pump? Do I need an install kit?

A     Answered on 7/2/2017 by InyoPools Product Specialist Alex V.

Bill, Based on your part number, this would be the correct replacement motor. In order to determine what seals you need, we will need to know the pump model number. 

?     Asked on 5/22/2017 by jeff clayton taylor

I HAVE A MAGNETEK M CENTURY ELECTRIC BOOSTER PUMP CAT#B625 FRAME L56C HP 3/4 230/115 VOLTS THERMALLY PROTECTED KA WHAT MOTOR CAN I REPLACE IT WITH AS LONG AS IT IS NOT A LOUD MOTOR ?

A     Answered on 5/28/2017 by InyoPools Product Specialist Stacey M.

Hello, this is replacement motor here.

?     Asked on 11/23/2016 by Terry Arthur

I have this pump motor AO Smith B625 serial number 35010CH. It seems to be leaking water between the pump and the Volute. The motor is working fine but the polaris seems to be slow. Can you tell me what the part number for a Volute to fit this motor is as I can read the number on the paper attached to it.

A     Answered on 11/23/2016 by InyoPools Product Specialist Adam Y.

Good afternoon Terry, You need a shaft seal part# 5250-106 . I would also recommend changing the housing o-ring on the valute PART # 3262-17. If you need help doing this. You can reference are how to guide How To Change The Shaft Seal On A Polaris PB4-60 Booster Pump. If you need any other help. Feel free to ask. Happy Thanksgiving.

?     Asked on 8/28/2016 by William Pagano

I have a 1081 pool pump 0-173840-23 and it is shutting on and off while running. Is there a sensor that we can replace. We think it is overheating and shutting off then going back on when it cools down. We would like to order parts.

A     Answered on 8/29/2016 by InyoPools Product Specialist Stacey M.

Hello William, this motor B625 is the one to replace your current motor, if you need replacement parts please look here to your GOKIT or any other parts you may want for your booster pump.

?     Asked on 8/25/2016 by shani

Does this pump come with a warranty?

A     Answered on 8/25/2016 by InyoPools Product Specialist Alan M.

The replacement motor comes with a one year warranty.

?     Asked on 8/24/2016 by

What is part no. Of the proper impeller to fit mod. No. B625

A     Answered on 8/24/2016 by InyoPools Product Specialist Scott W.

What's the model of your booster pump, I can't find it by your motor?

?     Asked on 6/29/2016 by Paul

Do you have terminal board/switch for century motor part #0-173840-23, 3/4 HP?

A     Answered on 7/4/2016 by InyoPools Product Specialist Lennox H.

Hi Paul, The Motor Switch (15768150) is the correct terminal board/switch for the 0-173840-23 motor.

?     Asked on 6/4/2016 by

Does this motor have two capacitors? (Start and run). Or just one?

A     Answered on 6/11/2016 by InyoPools Product Specialist Lennox H.

Hi, This motor only has one capacitor which is a start.

?     Asked on 5/26/2016 by tony tomao

Good morning I need to replace a polaris motor 7-173848-23 what is the correct replacement ? Thanks

A     Answered on 5/26/2016 by InyoPools Product Specialist Lennox H.

Hi Tony, This motor is the correct replacement motor for the Polaris Booster Pump p/n 7-173848-23.

?     Asked on 5/12/2016 by Betty

I have booster pump with Cat B625 for Polaris 280. What is correct replacement motor?

A     Answered on 5/12/2016 by InyoPools Product Specialist Matt S.

The replacement motor for the B625, is this B625 motor.

?     Asked on 2/28/2016 by

need a end cap for motor pb-4-60

A     Answered on 2/29/2016 by InyoPools Product Specialist Matt S.

The metal terminal cover for the B625 is part number SCN-515.

?     Asked on 1/30/2016 by David Pyle

Is this the correct motor to replace a Polaris PB 4-60 booster pump for my Polaris cleaner. These numbers are on the sku as well. Rb 061308446. Also, do You suggest anything else i.e. Orin's, etc? Thank you!

A     Answered on 2/1/2016 by InyoPools Product Specialist Robert M.

Hello David - B625 is the correct replacement motor for the Polaris PB4-60. GOKIT71 would be the recommended seal kit.

?     Asked on 9/18/2015 by John

Can you provide motor bearing stock numbers or sizes for replacement bearings on an AO Smith Polaris Pool Sweep motor. The Century catalog number is B625. Serial# is 26407CH, 3/4 hp, 3450 rpms, type CS, 230/115v, SF-1.5 ...thanks

A     Answered on 9/18/2015 by InyoPools Product Specialist Joe S.

You can replace the bearings of your Polaris booster pump motor. You will need (2)A.O. Smith 203 Bearing (6203RS). We have  How To Replace the Bearings in a Pool Pump Motor - Part IHow To Replace the Bearings in a Pool Pump Motor - Part II to assist you in replacing the bearings in your motor.

?     Asked on 8/23/2015 by harry schumacher jr

need the impellere to go with this motor

A     Answered on 8/24/2015 by InyoPools Product Specialist Joe S.

Hello Harry the impeller needed will be (p15) PART#3262-03 attached is also the Polaris Booster Pump Parts

?     Asked on 7/13/2015 by William Petersen

I have a polaris pump ao smith part o-173840-23. It recentlt started a high pitch scream. Bearings ?? Something that can be easily replaced? thanks

A     Answered on 7/14/2015 by InyoPools Product Specialist Lennox H.

Hi William, You can replace the bearings of your Polaris booster pump motor. You will need (2) A.O. Smith 203 Bearing (6203RS). We have  How To Replace the Bearings in a Pool Pump Motor - Part IHow To Replace the Bearings in a Pool Pump Motor - Part II to assist you in replacing the bearings in your motor.

?     Asked on 6/16/2015 by Nate

I would like to order this pump. Which tune up kit do I need and impeller (if needed) go with it? Thanks, Nate

A     Answered on 6/16/2015 by InyoPools Product Specialist Joe S.

Hello Nate, the impeller needed is 3262-03 and seal 

?     Asked on 1/12/2012 by Guest

Why should I purchase a Tune Up Kit?

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.

?     Asked on 1/12/2012 by Guest

Why do I need to purchase a new shaft seal?

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.

?     Asked on 1/11/2012 by Guest

What is Service Factor?

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.

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