Waterway 3721221-1D Executive 56-Frame 3HP Dual-Speed Spa Pump, 2in. Intake, 2in. Discharge, 230V

SKU: 3721221-1D
Waterway Executive 56-Frame 3HP 2SP Spa Pump 2 in. - 212-8017S
Availability: In Stock
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About the Waterway 3721221-1D
The Executive 56 Frame Spa Pump has an executive wet end designed for 56-Frame motors along with two double-shielded ball bearings.

Spa Pump Features:

  • Executive wet end designed specifically for 56-frame motors
  • Two double shielded ball bearings with moisture resistant grease for quieter operation and longer life
  • Two speed motors have four sets of insulated windings for increased efficiency
  • 56-frame motor for added strength, cooler operating temperature, and longer motor life
  • Larger 2" intake for improved flow performance and reduced noise
  • Large 6-1/2" diameter wet end for higher head pressure
  • Split capacitor, (start and run) for less energy consumption
  • Thermally protected to extend life expectancy of motor
  • Highly versatile wet end can be rotated every 90
  • Viton seals
  • Dimensions (H x W x L): 9.08" x 8.05" x 9.875"
  • Allied SKU: 1-00-0107

More Information

The Executive 56 Frame Spa Pump has an executive wet end designed for 56-Frame motors along with two double-shielded ball bearings with moisture-resistant grease for quieter operation and long life. The dual speed motors have insulated windings for increased efficiency and large, highly versatile 6-1/2"diameter wet end for higher head pressure. With Viton Seals and a split capacitor (start and run) for less energy consumption, along with a three year warranty on its motor and wet end, the Executive is a must.

Center vs. Side Discharge Pumps
Swimming pool and spa pumps are classified, in part, according to the orientation of their discharge openings. Center discharge pumps have an opening located in the center of the wet end, while side discharge pumps have an opening located on the side of the wet end. Water is propelled through the openings and flows out through the jets in your spa. Side discharge pumps are up to 60% more efficient for pumping out high volumes of water than center discharge pumps.

What the frame size on a spa pump mean?
The frame size on a spa pump is the physical size of the spa pump motor. The frame is the piece that mounts the wet end to the motor. The frame size is located on the motor's ID plate, usually marked with an F for frame size. The thru-bolt spacing is also an indicator of frame size. A 48 frame motor has bolts spaced less than 4 inches apart, and the 56 frame motor has bolts with spacing more than 4 inches apart.

Waterway 3721221-1D Specifications



Product Reviews
Average Rating:
5 average based on 7 reviews
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Hal said:
Location: Excelsior, MN
Great to deal with!
6 months ago
Excellent prices, excellent service and quick shipping. Can't ask for more than that!
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Bowman said:
Location: Brunswick oh
Great price fast shipping
8 months ago
This was an exact replacement fit, no issues with installing, works perfect! Shipping was extremely fast--two days after order was placed!
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Ronald B. said:
Location: Pitman, NJ
Ron B
8 months ago
Ordered @ 11 am and it was delivered to my store the next morning. This model sat forward approx 1 more than the 14 year old model it replaced but with a little adjusting got it to fit and works like the original. The price was as quoted , no extra shipping or tax. The spa manufacturer wanted $399 for their motor with a 1 year warranty. This was under $250 with a 3 year warranty. Also seems easier to work on pump - had to rotate it 90 degrees to match up to piping and only took a few minutes.
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Location: Midlothain, TX
Great price. And quick!
9 months ago
We ordered this pump on a Tuesday and got it that Fridays! The price was better than the other sites we visited. Works great. Is quiet. We are happy hottubbers! And we recommend this place for your hottub needs.
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Greg said:
Location: Stuart, fl.
Best price in town
1 year ago
I own a pool business and have access to contractor prices. I shopped around at these supply places as well as the internet. These guys were the cheapest in town. No shipping cost. No Tax. The pump was the exact same as the last replacement For over a 100.00 less with the no shipping no tax. Ty
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