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Waterway Spa Pump, Executive 56 model, 3.0HP 220V 2-Speed Side Discharge with 2.5" Intake. OEM part number 3721221-13.
SpaGuts P/N: 15-350-0035
*NOTE: Amp rating and dimensions may vary depending on the motor brand and model that is used with this pump. Motor brand can be US Motors, AO Smith Century Laser, GE, Etc... If space is very limited for the new pump, please check with sales to verify actual dimensions.
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.
This 56-Frame pump is also a replacement option for the following pumps (Just match the size fittings and amp rating to get the same performance pump): Aquastorm by Infinity Spas, Massage Master XLT, Super-Flo, 372122A-13, 3721221-13 (3HP, 2.5" Intake), PF-25-2N22C (3HP, 2.5" Intake)
This pump normally uses the following motor part numbers: 7-187694-01
Keep in mind to not over power your spa by going from a 48-frame motorto a 56-frame motor. See water flow chart and amp rating for a 56-framemotor.
If you need to install your spa pump near or above the waterline - as iscommon for in-ground spas - you will need a pump pot.The pump pot help prevents water from draining backinto the spa when the motor is turned off