I have a Century Lasar 2 speed motor, branded Hayward, purchased from Watsons with a SwimPro (cc1750) cartridge filter. I need help identifying what I really have. The motor label shows SP1520Z24ESC, part no 7-193824-01, 115V, HP 2. -2.5 SPL, 15.0/4.4 Amps. The model # on the pump housing is...