Hayward SPX1500Z1E 60 Cycle Single Phase Motor Replacement for Hayward Power-Flo Pumps, 1/2-HP 60 cycle single phase motor replacement Fits hayward power-flo ii self-priming pump models sp1750, sp1775, sp1780 Also fits hayward power-flo un series pump model sp1500un 1/2-Horsepower Weighs 18 pounds