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

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. PF-30-2N22C 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,PF302N22C PF-25-2N22C 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.