These hot tub pump motors are compatible with the Waterway Executive series, Aqua-Flo, Flo-Master and Balboa wet ends. When selecting a replacement motor, confirm the frame size that fits your pumps wet end so the thru-bolts line up.
To confirm the bolt spacing on your pump measure the thru-bolt spacing, 48 frame motor bolts are usually 3-5/8" inches apart and a 56 frame motor bolts are 4-1/8" inches apart.