Pump – Waterway – 56 FRAME 2-SPEED – PN# 4-10-WW3721621-1D – 240V, 4.4A-12.0A, 4.0HP, 2.0″in/out

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Quick Overview


Part No. : 4-10-WW3721621-1D

Volts : 240

Amps : 12.0 (High), 4.4 (Low)

Description : 4.0HP, 2.0″in/out



Waterway Executive Circulation Pumps for Durable Performance

The Waterway Executive Circulation Pump (product number 3721621-1D) has a durable and versatile design for optimum efficiency.  It can be used to replace pumps from all types of hot tubs and spas.

It has a special wet end that provides great water flow and can be rotated at 90 degree angles.  It also boasts of increased strength and cooler operating temperatures.

This pump has a split capacitor that results in less energy consumption.  It also has a Viton shaft seal ideal for hot tubs of most brands.


  • 56” frame motor for reliability
  • Quiet operation
  • Thermally protected for added protection
  • 4-horsepower, 2 speed
  • Amps: 12.0 on High and 4.4 on Low Speed
  • 2″ Intake and Discharge
  • Rotating wet end for more versatility

Quiet in operation, this spa pump is convenient to use and offers high level of reliability compared to other hot tub pumps.  Its dual shielded ball bearings are also grease resistant.

If you want efficient water flow from your hot tub, consider the Waterway Executive Circulation pump for your replacement.  It is available at discounted prices and with our free shipping offer, you can save more money from your purchase.

If you order within our promo period, you can also take advantage of our tax free purchase (we will pay the tax equivalent).

Order online with our secure payment method and enjoy your hot tub like never before!


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