Part # B625
Warranty 1 Year
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
Most commonly used on Polaris Booster Pumps
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 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
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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 I, How To Replace the Bearings in a Pool Pump Motor - Part II to assist you in replacing the bearings in your motor.
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Less than 1 hr
Screwdriver, Nut Drivers, Wrench Set, Rags and mild cleaning chemicals
1 0
I watched the video for this repair that inyo pools produced for guidance. I first cut power at the breaker. Then I disconnected the boost pump from the inlet and outlet hoses. I removed the electrical access plate from the back of the motor and disconnected the wiring, being mindful to take a photo prior to disconnecting. Then I carried the assembly over to a table and removed the impeller cover. I then removed the shaft cover and used a wrench to hold the shaft in place while I spun the impeller off by hand. I then removed the shaft seals and the aft impeller housing and was only left with the motor, which I discarded. Assembly was opposite of disassembly, but I purchased all new shaft and housing seals. Nothing worse than fixing something and then having to take it apart a month later because the old $5 seal failed. I hooked everything back up, turned the power on at the breaker and gave the system a test. The impeller sounded very loud, but I had the vacuum disconnected. Once I attached the vacuum to the wall outlet and the system got some back pressure load on it, the noise stopped and everything was working like new.
The Most Recent Reviews
(5 out of 5 stars)
Reviewed By: Inyo Customer ()
Perfect replacement. Great help from customer service.
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(5 out of 5 stars)
Reviewed By: Inyo Customer ()
Perfect replacement
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(5 out of 5 stars)
Reviewed By: Inyo Customer ()
great service. correct oem part., not off brand replacement.i was surprised it showed up so fast. Will continue to order parts from them.
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(5 out of 5 stars) As expected
Reviewed By: Inyo Customer ()
Exact replacement for Polaris vacuum motor. Easy instal. Does not come with shaft O ring (11/16") OD, which will likely need to be replaced.
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(5 out of 5 stars) Easy
Reviewed By: William P. from Lakewood, IL ()
Pros: Ease of installation
Cons: none
No surprises. Easy to install. Works perfectly. Quiet.
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(5 out of 5 stars) Easy replacement with the identical same motor.
Reviewed By: Buddy from Fort Worth, TX ()
INYO gave free delivery for the booster pump. The booster pump arrived before the anticipated delivery date. The pump is the identical pump which I was replacing. This made for an easy replacement. I would recommend INYO to my friends and family. I will definitely use INYO Pools in the future.
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1 0
(5 out of 5 stars) Booster Motor
Reviewed By: Peter Adelfio Sr. from Mooresville, NC. ()
This motor was delivered quickly. The installation was simple and it is running perfectly. Inyo pools has all your pool needs right from the comfort of your own home.
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1 1
(5 out of 5 stars) Polaris pump
Reviewed By: Franklin B. H. from Beaumont, Tx. ()
Pump works great, same pump sold at pool stores for a much cheaper price.
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(5 out of 5 stars) Excellent replacement
Reviewed By: Jerry D. from Clearlake, CA ()
Pros: well made, good instructions
Cons: none so far
The motor looks well made. The instructions were easy to follow. The pump is quiet. Inyopool staff were awesome. They helped me make sure that I had the correct motor replacement. Their customer service is great.
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(5 out of 5 stars) Great Pool Pump Parts
Reviewed By: Virginia N. from Dallas, Tx ()
Pros: Saved over $100 versus the local pool supply store
Product was exactly as advertised, shipped and delivered quickly, online instructions made the installation very easy. Everything works like a charm and you can hardly hear the new motor running. Works great now. Saved over $100 compared to the local pool supply store.
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(5 out of 5 stars) Inyopools is the best
Reviewed By: Jose ()
Pros: Superman like shipping
Cons: None
Received motor, recommended seal kit and impeller the next day after I ordered it. Motor runs nice and quiet and was a perfect replacement for the broken motor.
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(5 out of 5 stars) Polaris Booster Pump Motor
Reviewed By: Kim S. ()
Pros: Great price and free shipping.
Cons: None
I received the motor very quickly. Installed with no problem and is working great! Did order the recommended kit that included a seal and O rings.
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(5 out of 5 stars)
Reviewed By: Jeremy R. from Dothan,alabama ()
Great pump !
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(5 out of 5 stars) Exactly What I Needed, Quick and Easy
Reviewed By: Donald from Fort Worth, TX ()
Pros: Good price, easy to order, prompt shipping, quality product
Cons: None.
The website provided photos and model number / specs to allow me to quickly and easily find this booster pump replacement motor. Shipping was prompt and the product was packaged well. In addition, the website tutorial helped me to quickly replace the seals and O-rings, and install the motor. Within an hour I had my Polaris cleaner up and running.
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(5 out of 5 stars) Polaris pool sweep motor
Reviewed By: Dale S. from Nassau Bay TX ()
Pros: not-made-in-China
Cons: none
Found the motor on-line easily, ordered the A.O. Smith motor because it was NOT made in China (too many bad experiences with Chinese motors), shipped in 3 days, replaced the old motor, and - voila!- it worked like a charm. Very quiet, more energy efficient, and better pool sweep performance.
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(5 out of 5 stars) Pump was good as the original
Reviewed By: langman66 from Monroe,GA ()
Pros: Easy to Install
I picked up this pump as a replacement for my original main pool pump motor. It worked straight out of the box. I'm just a regular home-owner and I did not have any problems with installing and replacing this pump myself. Be sure to cut all power to your pool equipment before starting any pool projects.
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(5 out of 5 stars)
Reviewed By: Mark M. from Benton ar ()
Fast service and good part
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(5 out of 5 stars) Excellent booster pump
Reviewed By: Rizwan from Baton Rouge, LA ()
Pros: Excellent pump
Cons: none
Delivered on time in brand new condition works like a charm.
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(5 out of 5 stars) Exactly right.
Reviewed By: Mitchell W. from Shreveport, LA ()
Pros: Exact replacement for the pump I had.
Cons: None
I have been using inyopools for two years and the products and delivery are spot on every time.
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(5 out of 5 stars) Polaris Pump Motor
Reviewed By: Douglas L. from Germantown, TN ()
Pros: Exact replacement for Polaris pump.
Cons: None
Quick receipt, good price.
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(5 out of 5 stars) polaris booster pump motor
Reviewed By: Michael G. from Walton , KY ()
perfect condition, installation went well. I was pleasantly surprised with doing a new DIY project, and saved a LOT of $.
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(5 out of 5 stars) Great Pool Pump motor
Reviewed By: Texas1300 from Arlington, Texas ()
Pros: Excellent Product
Cons: None
Customer service was excellent from Cleveland.
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