Pool & Spa Pump Motors

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🏊 OEM Replacement Motors for Hayward, Pentair, Sta-Rite, and More

Square One Electric Motors & Pumps offers a wide selection of pool and spa pump motors from top industry brands, including Century (formerly A.O. Smith), US Motors, Marathon, WEG, Worldwide Electric, and Baldor. These are brand-new replacement motors designed for above ground pools, in-ground pools, spas, hot tubs, and jacuzzis.

All units ship with a manufacturer's warranty.

⚠️ Note: These are replacement motors, not complete pump systems. Motors and pumps work together, but they are not interchangeable.



Need help matching your motor? Contact us for support.


🔍 Find the Right Pool Pump Motor Fast

We carry OEM replacement motors compatible with leading pump brands, including:

  • Centurion Pro
  • Pentair
  • Hayward
  • Sta-Rite
  • Waterway
  • Purex
  • Doughboy
  • Lomart

Brands You Can Trust

We carry pool pump motors from the most trusted names in the industry:

  • Century (Regal Beloit / A.O. Smith)
  • US Motors (Nidec)
  • Marathon Electric
  • WEG Motors
  • Worldwide Electric
  • Baldor / ABB

All motors are brand new, backed by warranty, and ready to ship from the closest warehouse.


📦 Ready to Replace Your Pool Pump Motor?

🧭 Use our Master Product Search to filter by:

  • Horsepower (HP)
  • RPM
  • Voltage
  • Phase (Single/Three)
  • Frame Size
  • Enclosure Type

🛒 Shop our full selection of Pool and Spa Pump Motors

📞 Have Questions? Call our experts at (302) 678-0400

📧 Or Contact Us Online for help with motor sizing or installation


💡 Tips for Choosing a Replacement Correct Pool Motor

Replacing a pool motor with incorrect specs can lead to system failure. Make sure to:

  • Match or exceed the original horsepower – Never go lower, or your motor will overheat and fail prematurely.
  • Match the voltage (typically 115/208-230) and phase (1 phase for homes) exactly.
  • Read the nameplate carefully. Wipe off dirt to reveal:
    • CAT (Catalog Number)
    • HP, RPM, Volts, Phase, Frame Size (FR)

📞 Need help identifying the right motor? Contact us now.


⚙️ Why Choose a Variable Speed Pool Pump Motor?

Single-speed motors run at full power all the time, which increases wear and energy bills. Variable speed pool motors let you:

  • Run at lower speeds overnight for filtration
  • Extend motor life
  • Reduce noise
  • Lower your electric bill

💸 Though the upfront cost is higher, variable speed motors often pay for themselves in under a year.


🛠️ Pool Pump Motor Maintenance Tips

Extend the life of your pool or spa pump motor with proper care:

  • 🕒 Run your pump at least 8 hours/day to fully filter the water
  • 🌊 Keep the water level halfway up the skimmer intake
  • 🌬️ Never cover the motor during operation—ventilation is key
  • ❄️ Store indoors during winter to prevent rust and moisture damage
  • 🧼 Use a skimmer to remove debris before it reaches the filter
  • 💧 Check that your pump size matches your pool’s water volume
  • 🔍 Regularly inspect the O-ring for leaks or wear
  • 🧪 Test water 2–3 times per week for pH and chlorine levels

Read our Pool Pump Maintenance Guide


🧰 Troubleshooting Pool Pump Motor Problems

🔌 Motor Won’t Start

  • Check your breaker panel

  • Look for frayed power cords or loose wiring

  • Ensure the motor shaft turns freely

🌊 Motor Runs But Doesn’t Pump

  • Water level too low?

  • O-ring may be cracked or missing

  • Clean skimmer and strainer baskets

  • Prime your pump again

💦 Leaking Motor

  • Worn shaft seal, O-ring, or thread sealant

  • Replace inexpensive seals before major damage occurs

🔊 Loud Screeching or Grinding

  • Likely a bearing failure—contact us for a repair or replacement

  • Cavitation sounds may signal low water or system air leaks

🧴 Pro Tip: Use shaving cream around fittings to detect leaks. If the foam gets sucked in, you’ve found your culprit.

Read our blog: How to Troubleshoot a Pool Pump Motor


🔐 What Is SVRS & Do You Need One?

SVRS stands for Safety Vacuum Release System, a feature that prevents dangerous suction at the drain.

  • If someone blocks the drain, the SVRS automatically shuts off the motor or releases suction.
  • This feature helps prevent entrapment injuries and is required by law in many jurisdictions.

👉 Look for “SVRS” in the product title to ensure your motor is compliant with pool safety regulations.


🔧 Need Local Pool Motor Repair?

We proudly serve customers throughout Delaware, Pennsylvania, New Jersey, and Maryland.

🗓️ Schedule a Service Appointment