Waterway Spa Pump, 3721221-1D, 37212211d, P230E52024 PF-30-2N22C, PF302N22C, Massage Master XLT, PF-25-2N22C, PF-20-2N22M, PF-30-2N22M, 3721221-0D5A, PF-30-2N22C, 3721221-0D87

3721221-1D Waterway Executive Spa Pump 2-speed, 230V, 10.0/3.4A 3hp Executive 56 frame 3hp 6.5" diameter Threaded connections are both 3.1" outside diameter (meant for 2" pvc pipe size) 2" SD/CS. High performance Water Way Hot Tub Pump, very strong A.O. Smith motor, split capacitor design, double shielded ball bearings. Viton Seals, has 3.1" outside diameter threads on inlet and outlet. Massage Master XLT,3721221-0D87, PF-40-2N22C, 3721221-1D5ACT, 3721221-0DBMR, and other part numbers were used on this pump.

An alternate model with 3.7" OD inlet threads and 3.1" discharge is the p/n 3721221-13 pump. Motor has wiring diagram showing high, low, and common motor terminals. Green is ground, white is common. High and low colors, red or black are determined by your spa control, not the motor. Fasten the high speed wire to the high speed terminal and similarly, low to low. Please follow the wiring diagram on the side of your particular motor as AO Smith has more than one terminal block for this motor please note, 3721221-0D5A.

A special note on Waterway Model Numbers: model numbers are not as precise as part numbers on the spa pumps by Waterway. Example, pumps labelled PF-30-2N22C can be 12.0 amps or 10.0 amps

PF-30-2N22C can refer to an Executive pump with 3.7 inch intake threads or 3.1 inch.
So..... model PF-30-2N22C can found on at least 4 different pumps. It is recommended you check the amps
rating on your motor, and note the thread sizes on the intake and discharge, and call us to verify if you are
uncertain. 800 584 2717 or, you can always email us a few photos of your old one and we will help:

[email protected]