I would like help on the selection of a variable speed pool pump for pool and spa arrangement.

Here is pool and spa information

   - 17000 gallons pool

   - Two skimmers and two pool bottom suction points.  Distance to pool equipment is 30 (x 3) to 45 ft (x1).  Pipe appears to be 2 inch diameter

    -  Spa with 6 jets  -   70 ft perhaps to spa jets 

   Filter is DEA type with 60ft2 area

   Pentair Heater Model: Master Temp 400

   Presently have single speed pump and motor at 220 volts single phase

What variable speed pumps would be suitable?    What models do you suggest that I look at for operation features, will meet requirements, and be a suitable size without large oversizing?