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DURAFORCE 56 Frame Spa Pump Motor 4HP 230V Dual-Speed Spa Pump Replacement 3721621-1D
DURAFORCE 56 Frame Spa Pump Motor 4HP 230V Dual-Speed Spa Pump Replacement 3721621-1D
DURAFORCE 56 Frame Spa Pump Motor 4HP 230V Dual-Speed Spa Pump Replacement 3721621-1D
DURAFORCE 56 Frame Spa Pump Motor 4HP 230V Dual-Speed Spa Pump Replacement 3721621-1D
DURAFORCE 56 Frame Spa Pump Motor 4HP 230V Dual-Speed Spa Pump Replacement 3721621-1D
DURAFORCE 56 Frame Spa Pump Motor 4HP 230V Dual-Speed Spa Pump Replacement 3721621-1D
DURAFORCE 56 Frame Spa Pump Motor 4HP 230V Dual-Speed Spa Pump Replacement 3721621-1D
DURAFORCE 56 Frame Spa Pump Motor 4HP 230V Dual-Speed Spa Pump Replacement 3721621-1D
DURAFORCE 56 Frame Spa Pump Motor 4HP 230V Dual-Speed Spa Pump Replacement 3721621-1D
DURAFORCE 56 Frame Spa Pump Motor 4HP 230V Dual-Speed Spa Pump Replacement 3721621-1D
DURAFORCE 56 Frame Spa Pump Motor 4HP 230V Dual-Speed Spa Pump Replacement 3721621-1D
DURAFORCE 56 Frame Spa Pump Motor 4HP 230V Dual-Speed Spa Pump Replacement 3721621-1D
DURAFORCE 56 Frame Spa Pump Motor 4HP 230V Dual-Speed Spa Pump Replacement 3721621-1D
DURAFORCE 56 Frame Spa Pump Motor 4HP 230V Dual-Speed Spa Pump Replacement 3721621-1D
DURAFORCE 56 Frame Spa Pump Motor 4HP 230V Dual-Speed Spa Pump Replacement 3721621-1D
DURAFORCE 56 Frame Spa Pump Motor 4HP 230V Dual-Speed Spa Pump Replacement 3721621-1D
DURAFORCE 56 Frame Spa Pump Motor 4HP 230V Dual-Speed Spa Pump Replacement 3721621-1D
DURAFORCE 56 Frame Spa Pump Motor 4HP 230V Dual-Speed Spa Pump Replacement 3721621-1D

56 Frame Spa Pump Motor 4HP 230V Dual-Speed Spa Pump Replacement 3721621-1D

$434.59 - $434.59
$434.59
$434.59 - $434.59
$434.59

56 Frame Spa Pump Motor 4HP 230V Dual-Speed Spa Pump Replacement 3721621-1D

Restore your hot tub's performance with this reliable 56 Frame Spa Pump Motor. This premium aftermarket replacement motor is specifically engineered to provide consistent power and efficient water circulation for your spa system. Whether you are performing routine maintenance or replacing a failed unit, this dual-speed motor offers a high-performance solution that balances powerful jet action with energy-efficient filtration modes. Designed for durability and a precise fit, this aftermarket motor ensures your spa remains a relaxing retreat.

Key Features & Benefits

  • High-performance 4HP motor delivers optimal water pressure for therapy jets.
  • Dual-speed functionality (High/Low) allows for versatile operation and energy savings during filtration.
  • Rugged 56-frame construction ensures long-lasting durability in humid spa environments.
  • Engineered as a high-quality aftermarket alternative to provide exceptional value without sacrificing performance.
  • Standard 230V operation designed for direct compatibility with existing spa controllers.

Compatible Models

  • Direct aftermarket replacement for part number 3721621-1D.
  • Fits various spa systems and pump wet ends utilizing a standard 56-frame configuration.
  • Compatible with many popular hot tub brands requiring a 4.0 HP, 230V dual-speed motor.

Product Specifications

  • Frame Size: 56 Frame
  • Horsepower: 4.0 HP
  • Voltage: 230V
  • Speeds: Dual Speed (High/Low)
  • Part Type: Aftermarket Replacement

Frequently Asked Questions

Is this an OEM part?
No, this is a premium aftermarket part designed to meet or exceed the performance specifications of the original equipment.

How do I confirm compatibility?
To ensure the correct fit, please verify that your existing motor is a 56-frame size, operates on 230V, and matches the 4HP rating. Cross-referencing your original part number with 3721621-1D is the most accurate way to confirm fitment.

Important: This is a premium aftermarket part and is not manufactured by the original equipment manufacturer (OEM). Brand names and model numbers are used for reference purposes only. Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.

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