3722021-1T7GOY, PF-50-2N22C, PF-45-2N22C, PF-50-2N22M, PF-40-2N22M, TT506, R63MWENB-4728, 3722021-0T7GDY, 37220211T7GOY, 3722021-0T7GDY, 3722029-0T7GDY, Dynasty Dyna-Flo

3722021-1T7GOY, 37220211T7GOY 3722021-1T7G0Y 3722029-0T7GDY Waterway Spa Pump 2-spd, 230V, 16.4 A Executive 56FR 3 barbed drain ports 2" pipe size, 3.1" INLET THREADS, SD/CS 3722021-0T7GOY, 3722021-0T7GDY, Dynasty Dyna-Flo, high performance Water Way Hot Tub Pump, very strong A.O. Smith motor, split capacitor design, double shielded ball bearings. Replaces older Executive Pumps with Franklin or Century Motors. Viton Seals.

3 Barbed Ports on front cover, barbs are 0.42" diameter for 3/8" ID vinyl tubing.

P250E52024, labelled as 5hp but often relabeled 6hp or 7hp-spl by spa manufacturers, Waterway pumps are manufactured by Waterway Plastics and Made in the U.S.A. This pump is sometimes available with a US Motors motor # TT506. NOTE: 3.1" OUTSIDE DIAMETER INTAKE THREADS. Sometimes labelled 6.0 hp, or even 7.0 hp

Can be labelled by one of these 'model numbers', which do not completely define the product like a part number does:

PF-40-2N22M, PF-40-2N22MC, PF-50-2N22C, PF-45-2N22C, PF-50-2N22M6, PF502N22C, PF-50-2N22M, PF-50-2N22F, PF402N22M,

and if you go by the model number, please carefully verify your motor amps rating and the outside diameter of your intake and discharge threads. Any doubts, please email us a few photos and we will help verify for you. email to: [email protected]