Replace Hayward pump or just the motor?

[611Manetta]

I have a Hayward Model SP2610X15 pump with a 1 1/2HP Century Model UST1152 motor. This weekend the motor was making a grinding noise, like a bearing was acting up. The pump/motor is over 10 years old, and still working but I would like to replace it before it just fails on me. The question is, do I replace only the motor or the entire assembly (pump and motor)? Second question, if I only should replace the motor, can I put in a 1 HP motor instead? If so, would the direct replacement be a Century Model UST1102?

My pool is only 13K gallons, not sure why a 1 1/2HP motor is on the pool system anyway, this is the way it came when I purchased the house. I have solar panels and don't pay anything for electrical usage, so replacing the motor with an identical 1 1/12HP motor wouldn't be an issue.

 

[BMerrill]

Replace with the Hayward Tristar950 VSP. It will pay for itself in energy saving in less than 2 years, YMMV

 

[wireform]

You can still benefit from a variable speed pump. The savings are yours to keep either way and with solar your keeping it so to me it's a win win.

 

[611Manetta]

Replace with the Hayward Tristar950 VSP. It will pay for itself in energy saving in less than 2 years, YMMV

The pump you recommended is over $1,600. As mentioned in my post, I have solar panels, never paid an electric bill to date since purchasing this summer home 3 years ago. Energy savings is not a big concern of mine for this reason.

 

[wireform]

At minimum you'll need to replace with the same HP and service factor as per the original motor label since the wet end goes hand in hand with the motor it's paired with otherwise the pump will not move the water the same as before. While your at it get yourself a new shaft seal as that's usually a factor for bearing failure.

 

[1poolman1]

The pump you recommended is over $1,600. As mentioned in my post, I have solar panels, never paid an electric bill to date since purchasing this summer home 3 years ago. Energy savings is not a big concern of mine for this reason.

You can install a Nidec Neptune NPTT 225 variable-speed motor with a Go Kit 3 and your existing pump will become a VSP for less than $600.00 - $800.00 (depending on where you get the motor). This motor matches your existing impeller. Plenty of instructions on that motor and pump on YouTube.

Motor, US Motor Neptune, 2.25thp, C-Face,Var-Spd, 230v, 48Y

Motor, US Motor Neptune, 2.25thp, C-Face,Var-Spd, 230v, 56CTech Note: Mounting dimensions of the 56J-Face are the same as the 56C.

pool-spa-supplies.com

Amazon.com

Nidec Motor Corp Motor, US Motor Neptune, 2.25thp, C-Face,Var-Spd, 230v, 48Y | NPTT225

Buy Nidec Motor Corp Motor, US Motor Neptune, 2.25thp, C-Face,Var-Spd, 230v, 48Y | NPTT225 for sale here at Wild West. Get yours today! Save on tons of great pool supplies & receive top-notch service.

www.wildwestpoolsupplies.com

 

[JamesW]

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[johnnydot]

I have a Hayward Model SP2610X15 pump with a 1 1/2HP Century Model UST1152 motor. This weekend the motor was making a grinding noise, like a bearing was acting up. The pump/motor is over 10 years old, and still working but I would like to replace it before it just fails on me. The question is, do I replace only the motor or the entire assembly (pump and motor)? Second question, if I only should replace the motor, can I put in a 1 HP motor instead? If so, would the direct replacement be a Century Model UST1102?

My pool is only 13K gallons, not sure why a 1 1/2HP motor is on the pool system anyway, this is the way it came when I purchased the house. I have solar panels and don't pay anything for electrical usage, so replacing the motor with an identical 1 1/12HP motor wouldn't be an issue.

I the pump is in good condition, I would just replace the motor. I have been doing that since I have had a pool, 50 years.

 

[JamesW]

Hayward Model SP2610X15 pump

The 1.65 HP motor will work with the SPX2610C impeller.

Note that the Nidec information shows both types of motor as "Square Flange", which is an error.

The correct motor is NPTT165.

Impeller...........Total HP required.
SPX2600C............0.60
SPX2605C............0.75
SPX2607C............1.10
SPX2610C............1.50
SPX2615C............2.00

404

acim.nidec.com

https://acim.nidec.com/motors/usmotors/-/media/USMotors/Documents/Literature/Datasheets/Product-Data-Sheets/Neptune-VSP-Pool-Motor.pdf

https://acim.nidec.com/motors/usmotors/-/media/usmotors/documents/techdocs/manuals/neptune-16527-thp-pool-pump-installation-and-operation-guide.ashx

Neptune 2.7 THP Motor NPTQ270 vs Century VG270 2.7 THP ECM27SQU Variable Speed Motors

Anyone here have any experience with Neptune 2.7 THP Motor NPTQ270? The Neptune seems to be far less expensive. The Century motor is discontinued but some as still available in the 'wild west web.'

www.troublefreepool.com

Nidec/US Motors Neptune 1.65 THP Square Flange Variable Speed Motor 115/230V - NPTQ165

Shop online today for the Nidec/US Motors Neptune 1.65 THP Square Flange Variable Speed Motor 115/230V - NPTQ165 at Waterline Technologies

waterlinetechnologies.com

Well, ended up buying two Nidec/US Motors Neptune 2.70 THP Variable Speed Motors (NPTQ270) from Waterline Technologies in LA.

I like them so far. Very easy to operate. Programming is a breeze. A heck of lot easy to wire up than my ancient AO Smith workhorses. Still watching/adjusting the programming: At the moment, I 1) start them at 2700 rpm for 3 hours for my Poolvergnuegen. 2) then 4 hours at 2150rpm for my Circupool generator. 3) final 3 hours at 1400rpm. Already seeing 27% drop on my home KwH.

 

[1poolman1]

The 1.65 HP motor will work with the SPX2610C impeller.

Note that the Nidec information shows both types of motor as "Square Flange", which is an error.

The correct motor is NPTT165.

Impeller...........Total HP required.
SPX2600C............0.60
SPX2605C............0.75
SPX2607C............1.10
SPX2610C............1.50
SPX2615C............2.00

View attachment 525632

404

acim.nidec.com

https://acim.nidec.com/motors/usmotors/-/media/USMotors/Documents/Literature/Datasheets/Product-Data-Sheets/Neptune-VSP-Pool-Motor.pdf

View attachment 525633

https://acim.nidec.com/motors/usmotors/-/media/usmotors/documents/techdocs/manuals/neptune-16527-thp-pool-pump-installation-and-operation-guide.ashx

Neptune 2.7 THP Motor NPTQ270 vs Century VG270 2.7 THP ECM27SQU Variable Speed Motors

Anyone here have any experience with Neptune 2.7 THP Motor NPTQ270? The Neptune seems to be far less expensive. The Century motor is discontinued but some as still available in the 'wild west web.'

www.troublefreepool.com

Nidec/US Motors Neptune 1.65 THP Square Flange Variable Speed Motor 115/230V - NPTQ165

Shop online today for the Nidec/US Motors Neptune 1.65 THP Square Flange Variable Speed Motor 115/230V - NPTQ165 at Waterline Technologies

waterlinetechnologies.com

Good catch.

 

[JamesW]

@JamesW I should have closed this thread with what I ended up doing, but hey now I can review this 1 year later
I installed the Neptune motors NPTT165 VSP. I used it because it's a 110VAC pump and I don't have 208V coming to the pool.
I haven't had any issues with this motor, since last year. I still use my Hayward Super pump's wet end. I replaced the impeller and the seals when I changed the motor.
I run the pump for most of the day at about 1900 RPM, which uses less than 200W. Turn it upto 2800RPM for the heater and at clean mode (max RPM), when I need to mix bleach or just get a good surface skim.
Electricity bill has significantly dropped since I switched to a VSP, with a scheduler. I was a noob running the old Haywards super pump (FS) all day all summer long
Thanks again for all the help and guidance!

 

[JamesW]

The Superpump uses a C-Flange, not a square flange.

Both are listed as Square Flange, so be careful when ordering.

For the C-Flange NPTT165, the Frame is correctly listed as 56J.

A square flange will have a 48Y frame.

 

[611Manetta]

You can install a Nidec Neptune NPTT 225 variable-speed motor with a Go Kit 3 and your existing pump will become a VSP for less than $600.00 - $800.00 (depending on where you get the motor). This motor matches your existing impeller. Plenty of instructions on that motor and pump on YouTube.

Motor, US Motor Neptune, 2.25thp, C-Face,Var-Spd, 230v, 48Y

Motor, US Motor Neptune, 2.25thp, C-Face,Var-Spd, 230v, 56CTech Note: Mounting dimensions of the 56J-Face are the same as the 56C.

pool-spa-supplies.com

Amazon.com

Nidec Motor Corp Motor, US Motor Neptune, 2.25thp, C-Face,Var-Spd, 230v, 48Y | NPTT225

Buy Nidec Motor Corp Motor, US Motor Neptune, 2.25thp, C-Face,Var-Spd, 230v, 48Y | NPTT225 for sale here at Wild West. Get yours today! Save on tons of great pool supplies & receive top-notch service.

www.wildwestpoolsupplies.com

Thanks for the information. Since I have a saltwater chlorinator, won't I need the GoKit 3 made for saltwater? I believe it is the Super Pump Go-Kit Viton Seal kit, at least that is what I read from several of the pool equipment websites.

 

[1poolman1]

Thanks for the information. Since I have a saltwater chlorinator, won't I need the GoKit 3 made for saltwater? I believe it is the Super Pump Go-Kit Viton Seal kit, at least that is what I read from several of the pool equipment websites.

Won't hurt.