The Waterway Executive 56 factory assembled hot tub pump wet end is rated for 3HP and is bolt on ready. Fits on 56 frame: A.O. Smith, Century, Marathon, Magnetec and U.S. Motors electric spa motors rated minimum 10.0 amps for high speed. Does not fit on any LX pump motors.
Wet End Threads
- 2.5″ intake threads (Actual 3-5/8″ OD).
- 2.0″ discharge threads (Actual 3.0″ OD).
Bolt On Spacing
- Bolt on spacing 4-1/8″ centre to centre
- Fits 56 frame spa pump motors
- Does not fit LX pump motors
Wet End assembly
- Ships factory assembled, bolt on ready
- Assembled wet end includes parts shown
Fits Executive 56 Models:
- PF-30-2N22C, Pump P/N 3721221-13
- PF-20-2N22M, Pump P/N 3721221-13
- PF-30-1N22C, Pump P/N 3711221-13
- PF-20-1N22M, Pump P/N 3711221-13
Whats Included:
- 1 x Waterway wet end P/N 310-1500
Product Note:
- Optional barb P/N 672-4350 Sold Separately
For use in hot tubs only
Important:Please verify your motor frame and high speed amp rating to ensure compatibility. Does not fit LX pump motors or Waterway pumps with part number ending in : -0D, -1D, -0V, -1V and -0T.









