Spa Hot Tub Pump Aqua-Flo 1.0/. 12HP Full Rated (1.0 Service Factor) 1.5 Center Suction x Center Discharge Motor Description. 12 – Service factor 1.0. Amps: 10.3/3.8. Pump Description: Mfg: Aqua-Flo P/N: 91040810-000. 1 HP – FMCP 1.5″ Center Suction x Center Discharge (2″ Connections available) 48 Frame Should you have questions or comments, please do not hesitate to contact me.