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 have a 3/4 hp sta-rite dyna glas / dyna max that is 15 years old, mpra series. wil this fit my pump
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Yes this motor would work on a 3/4 hp sta-rite dyna glas / dyna max. We would also suggest a sta-rite dyna glas / dyna max tune up kit when replacing your motor.
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Hello, i owned an Dura-glass 3/4 HP (model: AO SMITH C48J2PA105C1) can i replace with your B2980T model ?
thks you
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Hi Alain, You can replace your 3/4 HP motor with the 3/4 HP 230V Full Rate Dual Speed w/ Digital Controller (B2980T), you will also need to change your impeller to the 3/4 Full Rated Impeller (C105-138PEB) and get a Sta Rite Dura Glas & Max E Glas Pump Pre 1998 Tune Up Kit (GOKIT6) or 1998 To Present Tune Up Kit (GOKIT54) whichever version you have..
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the screen on the timer is blank after power turned off. Power light is on nothing showing on the screen? Can not find any trouble shooting information.
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Hello Wendy it will be best to contact AO Smith directly at 937-667-2431 and speak with one of their technical support reps to walk you through troubleshooting this
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When this motor eventually fails (they all do) can I transfer the digital controller to an identical new pump motor?
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Hi Don, Unfortunately the controller can not be removed and placed on a different motor, you will have to replace the entire motor with the built-in controller.
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Will this work on my very old Dyna-glas 1HP MPFA6E-146L as an upgrade to the 1HP A.O. Smith currently making Lots of noise?
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Hi Jimbo, The A.O. Smith 3/4 HP Full Rate Square Flange Dual Speed w/ Digital Controller 230V Motor work with your Dyna-glas 1HP MPFA6E-146L.
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Can this replace my sq1072 single speed motor? 3/4 HP 1.65 SF 230volt
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Hello Tony, The B2980t Pool Motor Square Flange 3/4 HP 230V Full Rate Dual Speed w/ Digital Controller is the dual speed replacement for the SQ1072 A.O. Smith 3/4 HP Square Flange Full Rate Motor.
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Your site has a guide on measuring the pool size and use the Gallon/minute to purchase the correct motor size. But all these motor I looked at doesn't have the GPM rating. How do I get the GPM for a motor, specifically this model?
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Hello, The gallon per minute rating (GPM) is determined by the pump not the motor. To find out the gpm of B2980T Pool Motor Square Flange 3/4 HP 230V Full Rate Dual Speed w/ Digital Controller we would need to know the model of the pump that you will be installing this motor on.
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My system already has a timer and had a single speed motor. This motor comes with its own digital timer so when I replace it, what do I do with the already installed timer? Do I have to rewire or how to I set my old timer?
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Hi TN, You can either bypass the current timer completely and wire the motor directly from the breaker or you can keep the old timer in place and use the wires to run power to this motor but remove the trippers so that the timer does not turn on/off constantly feeding power to the motor.
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I'm looking to replace the motor on our Max-E-Glass II P4E6E-187L pump. It currently has a B2953 P56Y 1 hp 1.25 SF motor. Will this work? We're looking at replacing the current motor with something much more efficient.
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The correct dual speed with timer motor that you would use if you currently are using the original motor or matching would be the B2982T. You could also use a variable speed motor which would be the ECM16SQU. The first is a wider motor so you would not need the motor pads or stand but the second fits the same as the original. Also it would be wise to replace the seals and gaskets using the gokit38.
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I got this pump as a replacement. My old pump did not have the impeller ring (white ring) when I pulled it off and the new one did not come with one. Is that on purpose? Do I now need to buy an impeller ring?
Also, the new pump has 3 electric leads, plus the ground. They are labeled ground, L1, L2, and A. My wiring has a ground wire, red, and black. obviously one if the leads will not have a wire attached, which one? The owners manual is all about the timer, nothing about installation.
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Hi, Seth. If your original pump did not have an impeller ring then your pump does not require one. To wire this motor you will need the two hot line and the ground, you will not use the wire that goes to the A terminal. Because these motors can be used on several different pump installation instructions can vary.
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can i purchase a 3/4 hp dual speed 230 volt pool pump motor with a timer that will fix my hayward super pump.?
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is it possible to just buy the digital timer? my pump works fine but the digital display on the timer has stopped working (water got under the plastic on the display) so now I cant set or reset my timer. I also have an old timer on the wall that still works, can I somehow bypass the timer on the pump and use the other timer that I already have?
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Jana, Unfortunately, the timer can not be replaced. You can use a wall timer to turn the motor on and off but you will not be able to control the high and low speeds.
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Can I replace Pentair Pinnacle 3/4 motor single speed with this one to save energy? Will it fit?
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I have a Sta-Rite P4EA6E-186L pump. I replaced the original motor with a Marathon imPower RB003 3-speed motor (we only used 2 of the 3 speeds - fast and slow) whose electronics have gone haywire. Based on the imPower specs this 2-speed motor looks like the perfect replacement. The imPower maximum power is 1.25HP (1HP x 1.25 SF). This motor is also 1.25HP (.75 x 1.67 SF). Will this motor work for me and should I be concerned about the difference in HP vs. SF if the total is the same?
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Yes, this motor would work as a replacement. Just keep in mind that this is a 230 volt and also that it has a 56y frame.
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I'm looking for a replacement for a 2 speed replacement for an A.O.Smith USQ1102 Mod. C48K2PA105C5 Encl. ODP 1 HP 115/230 V motor.
Would the A.O.Smith B2980T be a good replacement?
If so, what is the shipping weight and package dimensions? I would need to ship it to the Cayman Islands after I receive it.
Thanks.
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How do I get this ad removed from my tablet? IT is annoying. Thank you.
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Hi. Unsubscribing from our promotional emails will remove you receiving any unwanted emails. I already unsubscribe you from our promotional emails.
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Is this a direct replacement for my Century part # 7-196443-05?
Hi Gregg, This is not a direct replacement for the B2982 in your photo. You would require the B2982 1 HP Dual Speed Replacement Motor, unfortunately the B2982T with Digital Controller has been discontinued so your motor is not available with a digital controller. We do always suggest a Seal Kit when replacing a motor. To determine the proper seal kit we will need to know your pump make and model information, common pump names would be Pentair Whisperflo, Pentair Challenger, Jandy Stealth, etc.. To supply this information click the reply link below, also if you could a photo then 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. Once we get any of this information we can make the proper recommendation.
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Here is the pump The pump is 25 years old Should I consider replacing the whole assembly? I saw the PureLine PL 2605. Would that work for me?
Hi Gregg, You have a Hayward TriStar and you would require this Hayward TriStar Seal Kit. Yes I would consider the PureLine PL2605 Variable Speed Pump you will save a ton on your operational costs with a variable speed pump. The plumbing ports on the PureLine Prime are not in the exact same spot as your current pump so you will have a little re-plumbing if you go that route.
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Hi - can this replace a QC 1072 motor?
Thanks!
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Yes, the B2980T is a good replacement for the QC1072 single speed square flange.
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I purchased the B975T 1hp/.10hp variable speed motor in May of 2017 (now discontinued.) Yesterday, it was much louder, and now the bearings seem to need replacing. As opposed to repairing, would this motor be a suitable replacement?
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Looking to replace the motor in the image with a dual speed with digital controller. What are my options? Will this one work?
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Hi, William. Please resend the image to us so that we can confirm.
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I have a 1 HP single speed motor now. Can I substitute a 3/4 HP dual speed pump and run it longer?
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We do not know what pump you have to determine whether you need to change the impeller but Yes, you should be able to use this motor for a 1 hp with a 1.25 service factor single speed replacement.
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Hi there I am wanting to replace the pump in the attached picture with a variable speed pump and I am wondering if this pump will work. Please let me know. Thanks
