When looking for a new replacement hot tub pump to replace your old pump there are a 4 things to look for that need to match. 1) Volts, 2) Amps, 3) Frame size, 4) Pump intake and discharge size.
The pump intake ID size as shown on the Waterway label above, also good idea to double check by measuring the intake.
Alot of times the label will also show the hot tub pump model number as shown above.
Motor frame size is shown on electric motor label, as shown above.
Also very important to try and match the amps for high and low speed. NEVER install a pump with a higher amp draw then your old pump.
Find a replacement pump that matches your old pump from the list below by matching the Volts, Amps, Frame size and Intake/Dicharge size.