?     Asked on 1/18/2012by Guest

I'm looking to replace my G.E motor. My model is a C1318. Your description matches but you say this is a Marathon motor. Is this right?
 Reply

A  Answered on 1/18/2012 by InyoPools Product Specialist Patrick P.

G.E. and Marathon are one in the same. G.E was purchased by Regal Beloit and is now under the Marathon name. The quality of the motor has not changed.
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?     Asked on 1/19/2012by 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?
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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.
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?     Asked on 11/25/2014by Wally

Does 5KC38SN6084AX include gaskets and/or O rings?
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A  Answered on 11/26/2014 by InyoPools Product Specialist Brian M.

Hello Wally - I am sorry to say that the gaskets and / or o-rings do not come with the motor. This motor, as with almost all other motors , have multiple applications. The gaskets and o-rings would be specific to the pump model you have.
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?     Asked on 5/25/2015by george

I have a pump with marathon part number 5kc38sn6084ax. is this a plug compatible replacement?
 Reply

A  Answered on 5/25/2015 by InyoPools Product Specialist Patrick P.

Hi George, Yes this motor would be the direct replacement for your 5kc38sn6084ax motor.
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?     Asked on 6/27/2015by BOB BOWMAN

I think I asked the wrong question a few minutes ago. I just bought the above C1245 pump motor which will hook into a Sta-Rite Pump system. Do I need any gaskets or o rings for the motor to mount to the Sta-Rite system? After reviewing the diagrams, it appears not?
 Reply

A  Answered on 6/27/2015 by InyoPools Product Specialist Hector F.

The o-rings and seals that you would need are specific to the model of the front plastic pump housing that the motor is mounted to. We see that the manufacturer is Sta Rite but we would need to know which model Sta Rite pump to cross reference that seal and gasket kit. You can call in to speak with a representative with that information or even email us here to continue the research on this.
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?     Asked on 8/4/2015by Rob

Does this make and model work as a replacement for a Marathon pool pump model 5KC38SN6084AX? Thank you
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A  Answered on 8/4/2015 by InyoPools Product Specialist Robert M.

Hello Rob - Model C1245 is the replacement motor for 5KC38SN6084AX.
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?     Asked on 8/4/2015by Rob

Is there an energy efficient replacement pool pump motor for the 5KC38SN6084AX? Thank you
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A  Answered on 8/5/2015 by InyoPools Product Specialist Matt S.

Hello Rob, The energy efficient version of this motor is the B863SE 1 HP Uprated EE Replacement Motor.
 Reply


?     Asked on 1/22/2016by Becca

Can this motor be used outside uncovered or must it be protected from rain/weather?
 Reply

A  Answered on 1/22/2016 by InyoPools Product Specialist Lennox H.

Hi Becca, This motor can be used outdoors uncovered. However you can extend the life of the motor if you use the Protective Pool Motor Cover to protect the motor from the rain and other form of precipitation.
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?     Asked on 1/24/2016by Rhonda

I have a Marathon Electric pump for In-ground pool. The numbers are pretty worn but I can still read C1245 on it and that its 1 hp. Is this the same motor you have listed as (C1245/B2853?) It has gotten really loud and I think it's about shot and is in need of replacement. Please advise ASAP. Thank ou so much
 Reply

A  Answered on 1/26/2016 by InyoPools Product Specialist Lennox H.

Hi Rhonda, The A.O. Smith 1 HP Up Rate Square Flange Motor (C1245, B2853) will be the correct replacement motor.
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?     Asked on 6/29/2016by Brenda Morris

Our pump motor needs replacing. It is model 5KC39SN2812X Will C1245 be the right replacement? Thanks
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A  Answered on 6/30/2016 by InyoPools Product Specialist Alan M.

I was able to cross reference the model number with an online search and came up with the c1090 series motor. That motor is a round flange 56J frame. The motor in question, C1245, is not a suitable replacement. We will need the make and model of your PUMP to cross reference the motor, as the model information does not correspond with any motors we currently stock.
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?     Asked on 7/10/2016by Inyo Visitor

I have a marathon electric pool pump 5kc38sn6084ax.. The pump is very loud and now it seemed to stop working due to possible overheating. Would this pump work as an replacement? How loud is this pump?
 Reply

A  Answered on 7/11/2016 by InyoPools Product Specialist Alan M.

The 1 HP Square Flange Motor (C1245, B2853) is the correct replacement motor. I do not have any information on how loud the motor is, but it should be no louder than any other new motor, of which are fairly quiet.
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?     Asked on 8/9/2016by Donita Taylor

what other parts are usually replaced along with this motor
 Reply

A  Answered on 8/9/2016 by InyoPools Product Specialist Alan M.

It is very common to replace the shaft/pump seal when changing out a motor. You will need to identify the PUMP you have in order to determine the correct seal part you would need. I would recommend a Tune up kit, that includes all seals and o-rings, if it is available for your pump.
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?     Asked on 8/11/2016by Donita

my pool pump does not have any name on it per say- I purchased the C1245 replacement motor and now need the go kit, what part # is that. And what about an impeller?
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A  Answered on 8/11/2016 by InyoPools Product Specialist Stacey M.

Hi Donita, now that you have the c1245 motor, all I would need is what kind of pump you have, it's normally on the base where the motor is attached there would be a number we can cross reference and get which go kit and impeller.  Please let me know horsepower as well.
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?     Asked on 8/24/2016by Inyo Visitor

my pump model # is sp260 7x10 (Hayward) motor # 5kcr39sn2818ax. Is C1245 the replacement motor. Is the motor seal that is usually replaced with motor something I can replace?
 Reply

A  Answered on 8/24/2016 by InyoPools Product Specialist Alan M.

The correct replacement motor for the Hayward Super Pump 1 HP Single Speed - SP2607X10 is the A.O. Smith 1 HP Round Flange Up Rate Motor - UST1102. The Tune Up Kit Hayward Super Pump - GOKIT3 is the seal kit that contains all of the o-rings and the shaft seal for your pump. The model of your motor does reveal the c1245 motor, but that motor is a square flange and the Super Pump model is a c-face front to the motor. The two different motors are not interchangeable.
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?     Asked on 9/14/2016by Christen Burkett

I have a DynaMax 5KC38SNX6084AX I need replaced. I just purchased this motor from you and it arrived today. The visible difference is their is the capacitor hump on top of this motor and not one on my DynaMax. Will this work? Or could you provide me with the right motor so I can return this one? Thank you
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A  Answered on 9/16/2016 by InyoPools Product Specialist Scott W.

Yes, that motor will work for the Dyna Max. The frame will fit and the total horsepower is the same. The one you received will even save you a little money on your energy bill because it uses less amps.
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?     Asked on 9/28/2016by Todd

Does anyone know the running amp utilization of this motor? I know the max numbers are listed, but I assume that is startup amps and not normal run rate. thanks!
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A  Answered on 9/29/2016 by InyoPools Product Specialist Andy O.

Hello Todd- Unfortunately the only information we currently have is the Max Amps. I would suggest calling the MFG Century/A.O. Smith at 1800-262-6484 for that technical information.
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?     Asked on 9/30/2016by Don R

HOw can I get the bearing number for the C1245 without taking the motor apart?
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A  Answered on 9/30/2016 by InyoPools Product Specialist Andy O.

Don- The easiest way would be to call A.O. Smith/Century at 1-800-262-6484 with your serial number.
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?     Asked on 12/31/2016by Dave

I have a Marathon Electric Motor that just started to fail. Serial #J10J80360, Cat. No C1245, & also says 1081 Pool Pump Motor. 56Z Frame, 3450 RPM. What would be a suitable replacement?
 Reply

A  Answered on 1/3/2017 by InyoPools Product Specialist Lennox H.

Hi, Dave. The Century B853 Motor is the correct replacement for the Marathon Electric Motor C1245.
 Reply


?     Asked on 1/10/2017by Duane

Ordering the C1245 pump. I also need the seal for this motor, do you carry it?
 Reply

A  Answered on 1/10/2017 by InyoPools Product Specialist Lennox H.

Hi, Duane. In order to locate the seal that you will need you will need to provide us with the pump housing model. If you're unable to locate the pump model, you can send us photos of the complete pump so that we can identify your pump.
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?     Asked on 1/10/2017by TimG

I understand this is a replacement motor for a Marathon 5KC38SN6084AX. I see this is has a frame for 56Y and mine is 56Z. Is that going to be a problem? Also, what additional parts will be needed to attach to a Sta-Rite P2RA5D-180L?
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A  Answered on 1/10/2017 by InyoPools Product Specialist Adam Y.

Good afternoon Tim, You will need aTune Up Kit Sta Rite Dura Glas & Max E Glas Pump Pre 1998 - GOKIT6. Your fine on the frame its a square flange with clips on the inside.
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?     Asked on 1/12/2017by John

I have an old Marathon electric 1081 Pool Pump Motor, Cat No C1245. Everything on my old label matches this one except the SFA is 14/7 , Code is M, Insul Class B. Just making sure this will still work? Also do i need anything else (other than basic tools) to do the install when i receive the new one?
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A  Answered on 1/13/2017 by InyoPools Product Specialist Adam Y.

Good morning John, This motor will work for you. You will need a 7/16 wrench, 9/16 wrench, pair of needle nose pliers,1/4 nut driver and a flat head srew driver. You will also need a seal kit. If you let me know what type of pump this is going on I can recommend the correct kit.
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?     Asked on 1/14/2017by Bill

My pump has a Dyna Tech 1 horse motor now starting to whine, easily noticeable. It has a 6 inch flange, has kept the pool pressure at 12 with the solar panel on. my question is, is a 1 horse the max size to safely run for 10,000 gallons? or can you increase to 1/12 safely with out ruining pipes or anything else?
 Reply

A  Answered on 1/16/2017 by InyoPools Product Specialist Lennox H.

Hi, Bill. It's hard to say we may need additional information. However, you can replace your single speed motor with the Century V-Green ECM16SQU motor and the impeller. You can control the motor's RPM just in case it might be too much flow for your system.
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?     Asked on 2/3/2017by Bill

Hello, I am buying this motor as a replacement and hooking up to a sta rite pump model P2RA5E-124L Code number 1D92K Looking to know which tune up kit to get for the seals. o rings, etc thanks
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A  Answered on 2/6/2017 by InyoPools Product Specialist Lennox H.

Hi, Bill. You can use either the Sta-Rite Dura-Glas & Max-E-Glas Pump Tune Up Kit - GOKIT6 (Pre-1998) which includes the Seal Insert or GOKIT54 (After-1998) new style without seal insert.
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?     Asked on 2/4/2017by Jeff

Motor whining and my local store does not have marathon motor should I replace with 1 hp or move up to 1 and a half Hp pool is 14,000 gallons
 Reply

A  Answered on 2/6/2017 by InyoPools Product Specialist Lennox H.

Hi, Jeff. The Marathon motor company is no longer in business. Before increasing the HP of the pump, you would first have to find out if your system can handle the additional water flow. Then you would need to replace the impeller along with any relevant parts. If not then you will have to stick with the 1 HP or upgrade your equipment.
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?     Asked on 3/8/2017by Charlie

What seal kit do I need to use this with a pinnacle pump housing part #35-5611 (from manual) ?
 Reply

A  Answered on 3/8/2017 by InyoPools Product Specialist Lennox H.

Hi, Charlies. You'll need the Pentair/Pacfab Pinnacle Tune Up Kit - GOKIT24.
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?     Asked on 3/13/2017by Brett

Will this motor work with a pentair superflo pump?
 Reply

A  Answered on 3/14/2017 by InyoPools Product Specialist Stacey M.

Hello Brett, Yes the A.O. Smith 1 HP, 56Y Frame, Up-Rate Motor (B2853) will work with a Superflo pump, I would highly recommend Tune Up Kit Pentair SuperFlo - GOKIT78 to change out orings, gaskets and pump seal.
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?     Asked on 3/31/2017by AT

My pump motor is this same model but it has 56Z fram, will this motor work as a replacement for a 56z frame.
 Reply

A  Answered on 3/31/2017 by InyoPools Product Specialist Scott W.

Yes, that will fit, but if you would like me to confirm you can provide me the part or model number of your model and I can confirm that is the direct replacement motor for you.
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?     Asked on 4/23/2017by Paul

Its hard to read but I think is Marathon 5kc38sn8084 ax.115/230,1081,56z 1081p. What is nthe correct part for this motor?
 Reply

A  Answered on 4/25/2017 by InyoPools Product Specialist Lennox H.

Hi, Paul. Based on the model number provided which may include a typo, this B2853 motor can be used as a replacement. I would recommend reconfirming the MOD number and the specs before ordering.
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?     Asked on 5/10/2017by Bill

Hello, I have an old Dyna-Tech C1245 pump, what tune up kit do I need for it?
 Reply

A  Answered on 5/11/2017 by InyoPools Product Specialist Lennox H.

Hi, Bill. The Century B853 is the correct replacement. In order to locate the tune up kit, I will need to know the pump housing model.
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?     Asked on 7/10/2017by Mitch

I have a motor model number 5KC38SN6084AX. I see that same number with an X at the end and mine is an AX. Are they the same? My motor also says SFA 14.0/7.0, and this one is different. Will it work even though the numbers are different?
 Reply

A  Answered on 7/10/2017 by InyoPools Product Specialist Patrick P.

Hi Mitch, The C1245 would be the correct replacement motor for your 5KC38SN6084AX motor.
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?     Asked on 7/25/2017by Michael

I have a marathon Mod 5kc38sn6084ax does fit? And what's ur warranty on this motor.
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A  Answered on 7/25/2017 by InyoPools Product Specialist Lennox H.

Hi, Michael. Yes, this Century B853 Motor will replace the Marathon 5KC38SN6084AX motor. It has a 1 year warranty. 
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?     Asked on 9/3/2017by Inyo Visitor

I have a marathon 5KC38SN6084AX motor on my pool pump. I understand the correct replacement is the Century C1245. Do I need any other parts ( such as seals or gaskets) in order to replace the motor? Can I get them from you?
 Reply

A  Answered on 9/5/2017 by InyoPools Product Specialist Lennox H.

Hi. This C1245/B853 motor is the replacement for the Marathon 5KC38SN6084AX motor. You will need to replace the seals and gasket, however, to locate those part the housing model is required.
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?     Asked on 11/11/2017by Laura Welliver

what gokit goes with this pump? thank you
 Reply

A  Answered on 11/13/2017 by InyoPools Product Specialist Hector F.

We would need to know the model name or number of the front pump housing that the motor bolts to in order to cross-reference the correct seal kit. If you cannot locate that information then you can always email us images of that housing to upload@inyopools.com to try and identify that for you. 
 Reply


?     Asked on 12/3/2017by Chuck Devers

I am replacing C1245, 5KC38SN6084X, 1 Hp, 115/230, 56Y FR., 1 PH, 3600 Rpm for my in-ground pool. The old motor says Marathon Electric, and FR 56Z. I understand that the C1245 or B2853 will work just fine. I want the motor, but not sure of the seal kit to order with it. The pump housing has weathered label. I can read Sta-Rite "P2R" but the Code Number is almost illegible. It feeds to a Pentair DE filter rated at 66 GPM. I will upload pics and ask your seal kit recommendation.
 Reply

A  Answered on 12/4/2017 by InyoPools Product Specialist Hector F.

For the P2R Sta Rite series you can always use the GOKIT54 and just remove the copper cone in the seal plate if you have one. You can view that cone on key 7 on the Sta Rite Duraglass Parts Diagram
 Reply


?     Asked on 7/23/2018by sam brewer

Hi I have the c1245. It is older. Last week started making a horrible noise like bearings are wore out .Would it be smart to upgrade to variable speed now? We just reduced size of pool from 22500 to just about 15000 gal. Just l Wondering if I could do a less Hp pump. I have an robotic cleaner .
 Reply

A  Answered on 7/23/2018 by InyoPools Product Specialist Hector F.

It would be a great time to upgrade to a variable speed motor. You would need to use model ECM16SQU. There is not a smaller version. 
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?     Asked on 8/22/2018by john muzio

i have a marathon 1 hp motor v115/220 ph1 rpm 3450 sf1.26 fr56z cat c1245 ser#g11j260020 with is a suitable replacement
 Reply

A  Answered on 8/22/2018 by InyoPools Product Specialist Hector F.

Yes, this would be the correct replacement motor for the model C1245 motor. 
 Reply


?     Asked on 8/22/2018by lucy m muzio

marathon 1 hp motor v115/220 ph1 rpm 3450 sf1.26 fr56z cat c1245 ser#g11j260020 with is a suitable replacement going into sta-rite model 2ra5e-124 l what kind ok seal should i order with ao motor
 Reply

A  Answered on 8/22/2018 by InyoPools Product Specialist Hector F.

You would want to use the GOKIT54 and just keep in mind that if you have a copper insert cone in the seal plate that you will need to remove it. 
 Reply


?     Asked on 4/19/2019by jon

Please advise what parts are recommended to be changed when replacing this motor?
 Reply

A  Answered on 4/19/2019 by InyoPools Product Specialist Lennox H.

Hi, Jon. You will also need to replace the pump shaft seal and o-ring/gaskets. We will need to know the model number or name of your pump housing.
 Reply


?     Asked on 4/28/2019by scott s

Hello...I have a Pentair SF-N1 -1A/340038 Pump. I need to replace the motor (Motor# 177474, AO Smith EPC). 1HP, SF HP 1.25 (see attached motor specs). Just wanted to make sure this is the correct motor replacement?

 Reply

A  Answered on 4/30/2019 by InyoPools Product Specialist Lennox H.

Hi, Scott S. This B2853 motor along with the SuperFlo Pump Tune Up Kit - GOKIT78 are the parts you'll need to get your pump operating again. 
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?     Asked on 5/2/2019by Frank W Gellner

I have "Pentair American Products Ultra-flow Pool Pump" that is turning / pumping with a lot of cavatation and noise. Impeller looks fine. Label is somewhat unclear: Pool Pump: SO1072 or SQ1072, Type: B, ENCL: ODF or ODP Model: O48K2PA105C4 or C48K2PA105C?, Serial 072091M or 07209?? 3/4 HP, RPM: 3450 Type: UAC AO Smith Corp Mecico Can you provide correct Replacement #, Tune-up Package part #, is Bearing replacement feasible?
 Reply

A  Answered on 5/2/2019 by InyoPools Product Specialist Lennox H.

Hi, Frank. The SQ1072 motor used the 6203 Bearings and the pump will use the Ultra-Flow Tune Up Kit - GOKIT20
 Reply


?     Asked on 5/2/2019by Pete Jorgensen

what shaft seal do I need for this motor
 Reply

A  Answered on 5/2/2019 by InyoPools Product Specialist Lennox H.

Hi, Pete. We need the Pump Housing model number or name in order to locate the shaft seal. 
 Reply


?     Asked on 7/29/2019by RONALD LENZ

what gokit will i need for a sta-rite pump model #P2RA5E-181L
 Reply

A  Answered on 7/30/2019 by InyoPools Product Specialist Michelle B.

Hello, This will be the tune up kit you will need. http://www.inyopools.com/Products/00500017059796.htm
 Reply


?     Asked on 11/7/2019by Richard Sessums

Does this pump require lubrication/oil? I installed this motor 2 1/2 years ago and it has worked fine until about a week ago....now it's still working but it is very loud. Like loud enough that I am self-conscious that the neighbors might complain! Second question: Is 2 1/2 years (8 hrs./day) all that I should expect out of this pump or should it last longer than this?
 Reply

A  Answered on 11/8/2019 by InyoPools Product Specialist Lennox H.

Hi, Richard. This motor does not require any lubrication. These motors can last longer based on the condition that it kept in. 
 Reply


?     Asked on 4/14/2020by Rob

Hi, I have a 5KC38SN6084AX Motor connected to A Pentair SuperFlo Pump. Will this motor work as a direct replacement and if so, is the GOKIT78 the correct tuneup kit?

 Reply

A  Answered on 4/14/2020 by InyoPools Product Specialist Patrick P.

Hi Rob, Yes this is the proper replacement motor and yes the GOKIT78 is the correct tuneup kit. Both items are in stock ready to ship!
 Reply


?     Asked on 4/29/2020by Rick Quimby

Hi, I recently purchased a motor from you. Century C1245. It appears from the installation info that the shaft seal should be replaced when the motor is installed. I have a salt water system and I can't really tell for sure which seal I would need. I saw in someone elses question that you need the pump frame model to de- termine which seal is required. I have attached a photo of the frame ID tag. Can you help with the proper seal?

 Reply

A  Answered on 4/30/2020 by InyoPools Product Specialist Patrick P.

Hi Rick thanks for the photo that was helpful! You will also need this Sta-Rite Seal Kit Pre 1998 or this Sta-Rite Seal Kit 1998 and After. If you are not sure if your pump is from before or after 1998, then we put together this Video on How to Determine
 Reply


?     Asked on 8/26/2020by Shawn

Will this pump replace my current motor?

 Reply

A  Answered on 8/26/2020 by InyoPools Product Specialist Lennox H.

Hi, Shawn. Yes, this B2853 is the correct replacement. 
 Reply


?     Asked on 8/31/2020by Scott

Do I need to replace the shaft seal on my new Century 1.0 HP Square Flange 56Y Up Rate Motor - B2853? If so which seal kit do I need? Thanks so much
 Reply

A  Answered on 9/1/2020 by InyoPools Product Specialist Hector F.

It is recommended to replace the seals and gaskets as well however we could need to know the model name or number of the front pump wet end housing that the motor attaches to in order to cross-reference that for you. 
 Reply


?     Asked on 9/21/2020by Inyo Visitor

Hello, I have CTX MOD# B2661, will this be a suitable replacement?

 Reply

A  Answered on 9/21/2020 by InyoPools Product Specialist Matt S.

The B661 and the B853 are compatible because they have the same frame (56Y) and a total HP rating of 1.25. The main difference between the motors is energy efficiency. The B661 is an energy-efficient model, while the B853 is a standard efficiency; this means it costs about 15 to 18 percent more to operate the B853 than the B661 for the same horsepower output.
 Reply


?     Asked on 11/14/2020by Joe

Is this a replacement for my motor that is loudly screeching? The label on my motor reads that the frame type is "56Z" and this one appears to be 56Y, are they still compatible? In case the pictures aren't legible it states: Marathon Electric MOD 5KC38SN6084AZ, HP 1, HZ 60, V115/230, PH1, RPM3450, CODE M, SF 1.25, FR 56Z CAT NO C1245 Also, what shaft seal and gaskets do I need? I see no other markings or labels anywhere that identify anything about the pump. Do you know what pump it is?

 Reply

A  Answered on 12/1/2020 by InyoPools Product Specialist Hector F.

Hi Joe, yes, this is the correct replacement motor for the motor included in your photo. You will also need a Sta Rite Dura Glas / Max E Glas 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. Be sure to remove the copper insert cone if you have one that will be in the seal plate. 
 Reply


?     Asked on 5/18/2021by Skip Peters

I need to order a new Century B2853 motor for my Waterway SVL56 pump along with the PS-3865 Pump Shaft Seal. What tune up kit / seals are needed? Thanks,
 Reply

A  Answered on 5/18/2021 by InyoPools Product Specialist Patrick P.

Hi Skip, The Waterway SVL56 does not have a kit all of the needed parts so they will need to be purchased separately. Besides the motor and shaft seal you have referenced we would also suggest replacing your faceplate o-ring. You can click on this link for the Waterway SVL56 Face Plate O-ring
 Reply


?     Asked on 4/7/2022by Lorraine F Sabzevari

All the specs match except for the FR. Current FR is 56Z replacement motor is 56Y. Is this compatible or needs additional part.
 Reply

A  Answered on 4/7/2022 by InyoPools Product Specialist Craig C.

Hello Lorraine.  A motor with a 56Y frame type is not a compatible replacement for a motor with a 56Z frame type.  The Z designation indicates a Round Flange (C Face) with a flatted shaft end on which the impeller is secured.  The 56Y designation indicates a Square Flange with a threaded shaft end on which the impeller is threaded.   Attached please find a brief tutorial on this topic.  What Does My Pump Motor’s Frame (FR) Rating Mean?   If the part number or catalog number remain visible the correct replacement can be identified.   How to Read Pump Motor Labels
 Reply