Hayward SPX1600Z1M Maxrate Motor Replacement for Hayward Superpump and Max-Flo Pumps, 1/2-HP Maxrate motor replacement Fits hayward superpump sp1600x series pump models sp1600x5, sp1605x7, sp1607x10, sp1608x10, sp1610x15, sp1611x15, sp1615x20, sp1616x20, sp1621x25, spx1600z1m Also fits hayward maxflo sp2800x series pump models sp2800x5, sp2805x7, sp2807x10, sp2810x15, sp2815x20 This part must be ordered for SPecific model and Horsepower Capacity 1/2-horsepower; weighs 15.2 pounds