James, from your post #10 above
This is a Hayward 1 HP Pump Motor Threaded Shaft, 1-Speed 115/230 Volts 60 Hz, Max Rated. This motor fits the following pumps: Super Pumps SP1600X/SP2600X, Max-Flo SP1800X/SP2800X, and Super II SP3000X Series Pool Pumps.
the above is what the electrician was...