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Description  

AO Smith Spa Motor with High Performance Pump - 56 Frame

56-frame, 2-speed, AO Smith aka Century Electric Spa Motor with a high performance pump in a range of sizes from 2.0 horsepower to 5.0 horsepower.

SpaGuts P/N:

  • 15-350-2197, 372082A-1D, 2 HP 8.0/3.0A, 2" intake.
  • 15-350-2198, 372122A-1D, 3 HP 10.0/3.4A, 2" intake.
  • 15-350-2196, 372162A-1D, 4 HP 12.0/4.4A, 2" intake.
  • 15-350-2199, 372202A-1D, 5 HP 16.0/4.8A, 2" intake.
  • 15-350-3197, 372082A-13, 2 HP 8.0/3.0A, 2.5" intake.
  • 15-350-3198, 372122A-13, 3 HP 10.0/3.4A, 2.5" intake.
  • 15-350-3196, 372162A-13, 4 HP 12.0/4.4A, 2.5" intake.
  • 15-350-3199, 372202A-13, 5 HP 16.0/4.8A, 2.5" intake.

The pump image shows the pump discharge on top pointing to the 12 o'clock position. The pump discharge can also be rotated every 90-degrees (3, 6 or 9 o'clock positions) by loosing the four long bolts at the back of the motor. The pump intake (suction) is located in the front center face of the pump.

Pumps with 56-frame motors come standard in 2.0 inch side discharge. You may select the intake to be 2.0 inch or 2.5 inch. NOTE that a 2.0 inch fitting will have an outside thread measurement of approximately 3.1 inch, and a 2.5 inch fitting will have an outside thread measurement of approximately 3.6 inch.

If buying this pump for retrofitting, add a pair of pump unions that connects to your pipes which then screws directly onto the pump threaded fittings. O-rings are included with the pump unions. Regular price is $15.55.

If buying this pump as an exact replacement that does not require retrofitting, it is highly recommended to replace the pump union o-rings at the same time. Old pump union o-rings may cause leaks that can damage the new pump and affect the warranty. O-rings for pump unions are only available with a pump union purchase.

You may add a cord to be attached to the motor at a discounted price. See cord options below.

The pump normally ships from the factory with the discharge pointing "UP" which is the standard position for shipping, but they can be turned or what is called "clocked" into any position (12, 3, 9 or 6 o'clock position). Rotation of the pump discharge can be done in the field, but we recommend having it performed by a professional spa technician who is experienced. Or choose the option to have the pump professionally rotated at the factory before it ships. This is to avoid water leaks and operational problems due to improper removal and installation in the field that will affect the warranty. As you face the front end of the pump wet end, available positions are 12 o'clock (Up), 3 o'clock (Right), 9 o'clock (Left), and 6 o'clock (Down, which is very rare).

This 56-Frame pump also replaces the Aquastorm pump models by Infinity Spas, the Massage Master XLT, and the Super-Flo. Just match the size fittings and amp rating to get the same performance pump.

Replacement option for the following pump part numbers: 3720821-1D (2HP, 2.0" Intake), 3721221-1D (3HP, 2.0" Intake), 3721621-1D (4HP, 2.0" Intake), 3722021-1D (5HP, 2.0" Intake), 3720821-13 (2HP, 2.5" Intake), 3721221-13 (3HP, 2.5" Intake), 3721621-13 (4HP, 2.5" Intake), 3722021-13 (5HP, 2.5" Intake), PF-50-2N22C (5HP), PF-45-2N22C (5HP), PF-50-2N22M (5HP), PF-20-2N22C4 (3.0HP 48Y, labeled 5.0HP), 3420820-0ADY (3.0HP 48Y, labeled 5.0HP), PF-40-2-RV22C (4.0HP), 3721621-1385V (4.0HP), 7-187694-01 (Motor Only, 3.0HP), Dynasty 14854 (7.0 BHP), Dynasty 12600 (5.0 BHP), 3722021-0T7GDY (5.0HP), 3721221-0385 (3.0HP), 3722021-0D86 (5.0HP), 34-270-3332 (5.0HP 1-Speed), 34-270-3356 (5.0HP), 3420820-0A6RDY (3.0HP Executive Pump with 48-Frame Motor), Model PF-30-2N22C, 3721221-0D5A (3HP), 3721621-0385V (3HP); R63MWENA-4727 (Motor Only; Must verify Pump Wetend)

We also offer the 48-frame, 2-speed, AO Smith Electric Spa Motor with a high performance pump in a range of sizes from 1.0 horsepower to 4.0 horsepower, see 48-frame pump page. Our dual speed motors can also be wired to operate in single speed.

AO Smith is one of the largest manufacturers of spa motors in the world and in our opinion is the very best money can buy. We offer brand new pumps and motor, also the best in the industry.

Pumps with 56-frame motors carry a 3-year limited warranty on the pump and motor.

Keep in mind to not over power your spa by going from a 48-frame motor to a 56-frame motor. See water flow chart and amp rating for a 56-frame motor.

Is Your Pump Above the Water Line?

If you need to install your spa pump near or above the waterline - as is common for in-ground spas - you will need a pump pot. The pump pot help prevents water from draining back into the spa when the motor is turned off

$259.95 In Stock PumpM.jpg

This item has options that require your selection below. Please make a selection for each option
Hover on Learn More to read about the respective option.
Size of 56 Frame Pump Motor Learn More
2 HP 220V
3 HP 220V (add $20)
4 HP 220V (add $30)
5 HP 220V (add $60)
Size of union fittings Learn More
2.0" intake (2.0" Pump Unions, add $9.99)
2.0" intake, no pump unions
2.5" intake (One 2.5" and One 2.0" Pump Unions, add $9.99)
2.5" intake, no pump unions
Pump Cord Option Learn More
No Cord
Red JJ Mini Motor Cord 4-Pin 2-Speed 14/4 AWG 4ft (add $12.95)
Pink JJ Mini Motor Cord 3-Pin 1-Speed 14/3 AWG 4ft (add $12.95)
Brown JJ Mini Motor Cord 4-Pin 2-Speed 14/4 AWG 4ft (add $12.95)
Amp Motor Cord 4-Prong 2-Speed 14/4 AWG 4ft (add $12.95)
Amp Motor Cord 4-Prong 1-Speed 14/3 AWG 4ft (add $12.95)
Pump Discharge Orientation Learn More
Up (Standard)
Right (add $9.95)
Left (add $9.95)
Down (add $9.95)
After selecting from EACH option above...