Designed for shallow well applications, 8500 Series jet pumps from A.Y. McDonald Mfg. Co. are available in sizes ranging from 1¿Hp to 1 Hp. These pumps feature a built-in regulating valve, a square flange motor, and your choice of impeller material - engineered thermoplastic or bronze. They also have shallow well capacities up to 1,600 gph and pressures up to 70 psi. A.Y. McDonald Mfg. Co.