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'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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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?
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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.
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I need to replace a pool pump motor, the part # is 0-196329-20 type cp 3 hp 3450 rpm cat m-s Q1302v1 frame 756y volts 208-2230 this is a century ac motor that is attached to a purex triton whisper flow pump. I don't see the exact match on you list. is there one that will fit and what extra parts that I would need?
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Hello Ralph - The correct replacement motor is model SQ1302. We would also recommend replacing the seals when you replace the motor. The seal kit for regular water is GOKIT32 and the kit for saltwater is GOKIT32SALT.
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Is this pump loud? I currently have a 2 HP General Electric pump for my lawn but very noisy. I'm looking for a 3 HP but quiet.
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Jean, The motors are not lound. Please keep in mind that this is a pool motor and maay not be suitable for your application.
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I have a haywood northstar 2.7 hp 2.0 frhp/1.35 sf model k63cxfbh-4928 that needs to be replaced. It is very loud. I'm assuming it needs to be replaced. What would be comparable to replace it with? Thank You,
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Yes we would suggest replacing your motor and you would require the Hayward 2 HP Full Rate Replacement Motor. You will also need a shaft seal and the northstar pump has used two shaft seals of the years which I have listed here... Hayward Northstar Shaft Seal 1998 - 2007 or Hayward Northstar Shaft Seal 2008 - Present.
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I have a whisperflo 2 hp motor that just went bad. I have a spa attached to my pool and was thinking of upgrading to a 3 hp. Would I need a different impeller or would i be good with just the motor swap?
Thanks
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Marion - When you go to a 3 HP EE motor (B844), you will also have to upgrade the impeller to 5074-27E and the diffuser to 5074-13. We also recommend that you replace the seal and gaskets with GOKIT32 or GOKIT32SALT. If you choose not to replace all the gaskets, you will have to change the shaft seal as a minimum. See key # 16 in this Whisperflo parts list. Thereare three options OEM, Generic and Saltwater pools
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I have a Century Centurion part #: 7-196157-07 spa motor that keeps on tripping breaker when being turned on. Which motor replacement part do I need to get? Thanks,
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Hi Julia, The B844 (B2844) motor listed on this page would be the correct replacement for your Century Centurion part #: 7-196157-07.
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Which go-kit should I purchase with b2844? Any other parts I may need? Thanks,
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The go kit that you will need to use is based on the model of the front plastic pump housing that the motor is mounted to. Any other parts needed will be based on the condition of them once the pump is taken apart and inspected.
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I just bought this B2844. Just noticed that it has an open back end. I think they are vent holes. Wondering how to protect it from getting wet?
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Hi Julia. We sell a protective motor cover for just that purpose unless you have another type. However you decide to do it keeping it as dry as possible will extend the life of the motor. Thank you for the inquiry and best of luck.
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What is the warranty on this motor ?
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Effective with motors manufactured in August 2004 and later, the warranty policy on motors will change to: Pool motors are warranted to be free of defects in workmanship and materials for a period of 12 months from the date of installation.
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I AM TRYING TO GET MY POOL INSPECTED HOW CAN I GET PERFORMANC RATING FOR CHALLENGER POOL PUMP 3 H/P PART # 16845508 PUMP PERFORMANCE
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Hi Jackie this Challenger Performance Document should do the trick.
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Is this the correct replacement for Part 7-165202-07 and if so, do I need any additional parts? ( covers, etc.). The other numbers seem to match ( except for Insul class which is B on my existing pump). Serial # is CA11-02
thanks
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Hi Mike, The B2844 is the correct replacement for p/n 7-765202-07. You will need to replace the seals in the pump bit we will need to know the manufacturer and model of that unit.
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I have a Triton whisper flo model WF-28 2 HP pool motor that has just seized up. I am thinking of going to a 2 1/2 or 3 HP replacement motor. I have a square flange.
I need to know if there is anything I will need to do by replacing with a higher HP motor and would I see a noticable difference in the water flow over the raised hot tub as the water is flowing into the pool? and what is the turnaround time on geting the motor to me? I am in Pinehurst, TX 77362
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Hi Clark, First you will have to calculate if your filter can handle the additional water flow or else you will have unclean and unfiltered water. Our How To: Size a Pool Pump guide will provide you with the info needed. You will also need to replace the impeller, diffuser and get the tune up kit. If all items are in stock they can be shipped out the next business day.
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Hello,
Have a Magnatek 177453-03 pool motor, this morning it did not start and the breaker was flipped. I flipped the breaker back on and it trigger off again. I remove the motor and check for any wire to wire contact in the conduit, removed the motor back cover to see if there was any obvious problem, burned stain or odor but everything looked ok, then I did a test run, for a second it sounded like if it was going to start but the breaker trigger again.
Any suggestions?
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Hi Francisco, It sounds like the motor has failed and will have to be replaced if it's tripping the breaker.
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I have the Whisperflow 1.65 hp with 2" ports I want to increase the hp to the B2844 3 hp, do I need to change the impeller and diffuser? if so can you recommend the one for the 3 hp Thank you in advance
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Hi, Randy. Along with the B2844 motor; you will also need to replace the following items, Impeller - 073131, Diffuser - 072928 and get the Pentair/Purex Whisperflo Tune Up Kit P/N GOKIT32 or GOKIT32SALT.
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Currently have a Century Centurion B2844. Sound like the motor is going out as it's becoming noisier. I'm just wanting to place the pump but my wife is dead set on replacing it with a variable speed. What would I need to do to keep her off my back (ie, what model of variable speed pump and whatever else I'll need)? Also, our pool is pretty small using your formula around 4,000 gallons.
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Hi, Happy. You have a large pump for such a small pool. We do not have a replacement variable speed motor that would replace the B2844 motor. You would have to replace the entire pump with the EcoStar - SP3400VSP or Intelliflo - 011018 if you need such a large pump. I would recommend calculating the feet of head of your pool using the steps in our How To Size a Pool Pump and How Do I Calculate Feet of Head for My Pool? to make sure the pump you have is not oversized.
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I have a Jandy SHPF3.0 pump with a Century 196157-07 motor. The bearings are beginning to go. What is the replacement motor and seal?
Thanks
Dave
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Hi, Dave. The B844/B2844 is the correct replacement. The seals can be located on the Jandy Stealth (2006-Current) SHPF & SHPM Parts page.
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I think that this is my replacement pump for Part # 7-177453-03. My only question is my pump has an approximately 1" grey plastic pipe coming out of the rear of the unit making a left hand turn and going forward. It doesn't look like your pump has an opening for this grey tube. Can you advise?
Also how difficult are these pumps to change out and do you need any type of sealant?
Thank you,
Lane
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The grey pipe is for the electrical, on all of our motors you are able to connect that grey pipe to cover your wiring that goes from your pump to your breaker.
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have your motor (3 HP Motor EE - Full Rate (B2844)) in my cart but also want to replace shaft seal and pump o-rings, impeller should be fine unless already included in kit.
Challenger PAC-FAB 3 HP CHII-N1-3PE 1-13-E97 / 34-5209 self priming pump.
I think it is a (Pentair Pac Fab Challenger pump seal go-kit (SKU: GO-KIT5-9)) please advise, Thanks
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The GOKIT5 is the seal kit you need for your Pentair Challenger.
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What is the size of the Run Capacitor on the B844 Motor and is there also a Start Capacitor
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Hi, George. The 50 MFD 370 VAC Run Capacitor - RD-50-370 is what is used on the B844 motor, it does not have a start capacitor.
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what pump do I need with the B2844 motor? thanks-rick
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Hi Rick, the B2844 motor is used with several different pumps. If you are looking for the complete pump and motor then I would suggest the Pentiar 3 HP Whisperflo as that complete pump set up includes the B2844 motor.
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will this replace my pool/spa whisper flo model WF-12?
Thanks
Greg
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Hi, Greg. Yes, this B2844 motor is the replacement for the WF-12 pump. The Whisperflo Tune Up Kit - GOKIT32 or GOKIT32SALT is a recommended item when replacing the motor on the Whisperflo Pumps.
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I currently have a Jandy JHP 1.5 pump and want to upgrade to a 3.0 hp A.O. B844 motor. I have the upgraded diffuser and impeller but need to know if this motor will work with my pump housing. I also need to know what shaft seal I need for this motor. This will be used for various water features. Please enlighten me with anything I may have forgotten.
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I’m trying to replace an old AO Smith 3HP centurion pump part number 7-168455-08. Rpm 3450, Hz 60, PH 1 SF 1.15, volts 230, amps SF 14.1 ENCL DP, time cont, AMB 40 C, serial BY 11-07 1081 pool pump duty mount HOR 12 with vent holes down. Is this the replacement for this part? Please help. Can’t find this anywhere.
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Yes, this is the current correct motor replacement for your model.
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I currently have a Pentair WE-12/011583 pump. Is this the correct replacement motor?
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Yes this is the correct replacement motor for a a Pentair Whisperflo WE-12 011583 We would also suggest a GoKit32 Tune Up Kit
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I recently moved into a home with an inground pool and am trying to calculate the turnover rate for this pool. I am trying to track down the GPM on a Purex Trition, Centurion part 7-16888-07 pool pump. Thanks!
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HI, MLSMith. The flow rate is calculated based on the Total Dynamic Head (TDH) and the pump housing model, not the motor.
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I currently have a Century Centurion 2.5HP Part # 8-16501-40 type CX, FR Y56Y. Can I upgrade to this 3HP motor?
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Hi, Paul. You can upgrade to a 3 hp motor reusing your existing impeller and diffuser. However, if you want to increase water flow, you will have to change your impeller and diffuser after confirming if your filter, plumbing, and system is sufficient. To determine that you will have to calculate the Total Dynamic Head (TDH) of your pool, then use the pump performance curve to determine the flow.
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Is this a direct replacement for WFE-12 motor (Pentair Pump)?
What kit if any do I need for installation when I change out motor (shaft seal? etc.)
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Yes, this is a replacement for that Whisperflo model. We recommend to also get the seals and gaskets being part number GOKIT32 for a chlorine pool and a GOKIT32SALT for a saltwater swimming pool.
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I have a Pentair 3 HP (SF HP 3.45) motor #177453 for my pool waterfall.
WFE-12 / 011516
208-230V
3450RPM S.F. 1.15
Max amps 15.0 13.6
KA Code G Self priming pump
4 pictures attached
Also while I am replacing the motor what pump seals should I replace.
The last 2 pictures are my 3HP variable speed pool pump. What pump seals do I require for this as I might as well be preventative after 6yrs of pool ownership
Thanks
George
832-878-6972 cell
The seals we would recommend for both units would be Tune Up Kit Pentair/Purex Whisperflo Saltwater - GOKIT32SALT
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I have a Hayward 3HP pump with a twist on top. I tried uploading pics but it wouldn't work. Is this the motor I need ? with my motor part# 7-f56aa46a04-08 Frame Y56Y Type CX. I also need a seal kit. What would be the correct seal kit for this motor to my wet end?Thank you
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I need to replace the bearings in a Century BN2844. I can't seem to confirm the right ones. Are they the 62032rs?
I asked this same question about a week ago, but did not get a response or I don't know how to find it.
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Hi. I have a Pentair WhisperFlo with B7248 2HP standard efficiency motor. It’s a 1Ok gallon pool with 2” piping. Can I upgrade to the AO Smith 3 HP high efficiency?? Thank you..
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Hi Derek, It is possible to replace your motor with a 3 HP and replace the impeller and diffuser to 3 HP but you may have issues with going with such a large ,pump. Normally for a 10,000-gallon pool you could use a 3/4 or 1 HP pump. Some of the issues with going with a pump this large are... 2" pipe can only accommodate 120 GPM and the 3 HP will exceed 120 GPM so you will not be getting the full capacity of this pump with using 2" pipe, the 3 HP is expensive to operate, finally you need to make sure your filter can handle the output of the pump which would be in the 120-150 GPM Range. You should have a label on the side of your filter which says max GPM. If you decide this is the route you want to go let us know and we can give you the part #'s for the impeller and diffuser.
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I’m not sure which model is mine. The sticker is weathered. Gpm should be good for 3HP? How much more expensive would 3HP high efficiency be compared to 2 HP standard efficiency? Thank you..
Hi Derek, The price of the 2 HP B2748 Replacement Motor is $272 Where this 3 HP motor is $339 also on the 3 HP you will roughly another $100 in parts to upgrade to 3 HP as you need to replace your impeller and diffuser if you go up in HP.
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I have this model motor on a pentair pool pump: pool pump motor part 7-177453-03
Is this the right replacement?
Yes, this is the correct replacement motor for the motor included in your photo. You will also need a Pentair WhisperFlo Seal Kit when you replace your motor. We put together this Video on How to Replace a Pool Pump Motor which you may find helpful when you tackle this project.
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Hi, I have Pentair clean & clear plus ultra-flow with 3 hp Magnetek Century centurion pump part number 7-177453-03 (picture attached). It becomes very noisy recently, I found a few bearing balls. Is this A.O. Smith 3 HP square flange 56Y single speed motor the right replacement?
Do I need new impeller, diffuser etc to switch the motor? a seal kit?
Thanks,
Nick
Hi, Nick. This B2844 is the correct replacement. You do not need to replace the impeller, diffuser, if they're in good condition. As for the tune up kit, the pump housing model is needed.
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Hi, By pump housing model, do you mean the volute housing? it is Pentair ultraflow volute V38-130 (part number 357140). Can you please send me a link of this seal kit? I have some extra o-rings, wonder what this seal kit has. Thanks, Nick
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I have a Hayward Tristar pump (SP3230EE)that is driven by a Century motor (SP3230Z1BE). I need a replacement motor and seal kit. Can you please advise the correct equipment. Thanks See Pictures
I have a Pentair 345209 pump. Will this motor work for my application? And what seal kit would I need?
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A couple years back my original 2HP Pentair Whisper Flow pump motor died and I replaced it with an aftermarket pump (Whisperflo 2 HP Pool Pump Motor Century B855 2.0 HP, image attached). Having pressure issues and want to regain waterfall (rather than trickle over the spillway) on spa, which disappeared after initial motor replacement. Am considering the A.O. Smith 3 HP Square Flange 56Y Full Rate EE Motor - B2844 you sell on your website. Thank you in advance for your reply.
Hi, MLT. I sounds like you have another issue. Replacing the motor should not have reduced your water flow. You can upgrade the motor to this 3 HP option along with the Impeller, 3HP - 073131, Diffuser - 072928 and Tune Up Kit - GOKIT32 or GOKIT32SALT after making sure your filter can handle thee increase water flow.
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Hi,
We have a pump that's bad Part# 0-196385-20, is 0-196258-0 compatible??
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Hi Teresa, these two motors are not compatible as the motor part number 196385 is a round flange while the motor part number 196258 is a square flange. Similar specifications but not compatible.
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Will this work to replace the motor for this Sta Rite K56p2102? Thank you
Hi Ryan, We would actually suggest this SQ1302 3 HP 48Y Replacement Motor along with this Sta-Rite Max-E-Pro Seal Kit. We put together this Video on How to Replace a Pool Pump Motor which you may find helpful when you tackle this project.
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how many days to ship to Grand Terrace , california
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Delivery is 5-7 business days but unfortunately this motor cannot ship to California as California law mandates the use of a variable speed motor. Most likely you will require this motor here http://www.inyopools.com/Products/00000017069223.htm which unfortunately is currently out of stock.
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Which pump seal is needed for the B2844? thank you
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Hi John, for us to suggest the proper seal kit could you send a photo of a wide shot of your complete pool pump to show the pipes going in and out of the pump? To supply this photo simply click the reply link below and upload your photo. Once we get this photo we can make the proper recommendation for the seal kit.
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Does this pump replace pentair oem square flange 3 hp motor
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Hi Gary, in order for us to cross-reference the correct replacement motor for you we will need your motor model, part, or catalog number. You can also provide an image of the motor label and the complete pump including the plumbing going in and out of it.
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Need to replace my Centurion pool pump motor (see label) that is part of my Challenger pool pump system. This model comes up when I search for the model number on the label, and seems to match perfectly for square mounting frame and 3HP, but is longer than the old one (13.5"). Do I need this one or the SQ1302V1, or can I order either one.
Hi Kevin, yes this is a correct replacement motor for your motor included in the photo. When replacing a pool motor we do suggest a Seal Kit. We will just need to know if you have the Pentair/Pac Fab Challenger CH or CF series pool pump. If the pump model label is not legible then you can also locate the impeller and or diffuser part number which will serve as a clue. Those part numbers will be molded onto the parts themselves.
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Can you advise if the B2844 is the best replacement for my motor? It's starting to screech which leads me to believe the bearing is shot. The label of my current motor is weathered but I was able to zoom in and I'm pretty sure the part number is 7-168888-07, which is listed in the alternative parts section of the B2844 description in your website. I've already added it to my cart but want to be sure. Also, which GoKit do I need? Pics attached of everything visible. Thanks.
Hi, Donna. This B2844 motor is the correct replacement for your Pentair / Pac Fab Challenger CHII / CFII Series Pump.
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hi ! this motor replace pentair 7 168455 08 this is the number i see in the pump plate 3HP
Hi Jose, yes this is the correct replacement motor for your motor part number 168455. 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 or quickest using our live online chat feature. Once we get those photos we can make the proper recommendation for your seal kit.
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hi i belive that miy pump is totally destroyed, our pool have 2 · 3HP pentair 220v pumps , please what model you recommend me ? thanks!
Hi Jose, so you have a Pentair Challenger pool pump. The last detail would be if you either have a CH or CF series which changes the seal kit. The label on the side of the pump should tell you. If the model is not legible then we can determine the series by getting the impeller or diffuser part number as well.
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is this motor a direct replacement for Pentair 355016S
Yes, this is the correct replacement motor for the motor included in your photo. You will also need a Pentair Whisperflo Seal Kit when you replace your motor. We put together this Video on How to Replace a Pool Pump Motor which you may find helpful when you tackle this project.
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Good afternoon,
Is this motor pump a replacement for the Century 3 HP (CAT: SQ 1302V1) - Part 0-196329-20 - Frame Y56Y - 3450 RPM - Volts 208-230?
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This motor will work as a replacement for the SQ1302V1 motor. However if you want the exact motor that you currently have then we would suggest this SQ1302 3 HP Replacement Motor.
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Will this motor replace Part 8-168888-06 Type CX Form KJM
Serial BK12-182
P/N 35-5395
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Hello Tom. The Century Motors 3.0 HP Full Rate EE Motor model B2844 is a compatible replacement for the Century Motor model 8-168888-06.
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Will this replace a Century BN61?
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Hi Mike, this will not replace a BN61 motor, but we do carry the 2.0 HP Thru-Bolt Dual Speed Low Amps Motor - BN61. Let us know what pump it hooks up to so we can recommend a new motor shaft seal or tune-up kit to ensure a long-lasting, leak-free installation.
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Hi will this pump replace a 3 horsepower A.O. Smith pump motor model K56P2N103A3
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Hello Terry. The Century Motors 3.0 HP Full Rate Motor ST1302V1 is the replacement motor for the A. O. Smith motor model K56P2N103A3. Century 3.0 HP Round Flange 56J Full Rate Motor - ST1302V1
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Is there a CA compliant (and DOE complaint?) replacement model for this pump motor? We are using it for a Whisperflow Spa booster pump. Thank you --
Hello Michael. The Century 2.0 HP Square Flange 56Y Dual Speed Full Rate Motor - B2984 is a compatible, CA Title 20 compliant, replacement motor for the A. O. Smith Motor model 7-177453-03. The V-Green 2.7 HP Square Flange 48Y Variable Speed Motor - ECM27SQU is a compatible, CA Title 20 compliant variable speed motor option. The Tune Up Kit Pentair/Purex Whisperflo - GOKIT32 contains the seals and gaskets necessary to complete the new motor installation.
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